Twin Cities Maker upcoming events

Open Circuits (Tue, April 28, 2026)

Wed, 29 Apr 2026 00:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

Join fellow electronics enthusiasts, hosted by David Zuhn, every Tuesday at Twin City Maker for Open Circuits! Whether you're a pro or just starting out, this is the place to tinker, learn, and collaborate.

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, May 05, 2026)

Wed, 06 May 2026 00:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Troubleshoot Tuesday (Tue, May 05, 2026)

Wed, 06 May 2026 00:00:00 GMT

Electronics in need of repair? Stop by Twin Cities Maker on Troubleshoot Tuesdays to get help from a pro and learn to fix your device! This will be an opportunity to diagnose your electronics issues and get some basic repairs.

Please sign up using this form to attend, this will help our techs prepare for your arrival!

Troubleshoot Tuesdays are run by RECA, Minnesota Tech for Success, and Free Geek Twin Cities.

Open Circuits (Tue, May 12, 2026)

Wed, 13 May 2026 00:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, May 19, 2026)

Wed, 20 May 2026 00:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Troubleshoot Tuesday (Tue, May 19, 2026)

Wed, 20 May 2026 00:00:00 GMT

Please sign up using this form to attend, this will help our techs prepare for your arrival!

Troubleshoot Tuesdays are run by RECA, Minnesota Tech for Success, and Free Geek Twin Cities.

Open Circuits (Tue, May 26, 2026)

Wed, 27 May 2026 00:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, June 02, 2026)

Wed, 03 Jun 2026 00:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Troubleshoot Tuesday (Tue, June 02, 2026)

Wed, 03 Jun 2026 00:00:00 GMT

Please sign up using this form to attend, this will help our techs prepare for your arrival!

Troubleshoot Tuesdays are run by RECA, Minnesota Tech for Success, and Free Geek Twin Cities.

Open Circuits (Tue, June 09, 2026)

Wed, 10 Jun 2026 00:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, June 16, 2026)

Wed, 17 Jun 2026 00:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, June 23, 2026)

Wed, 24 Jun 2026 00:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, June 30, 2026)

Wed, 01 Jul 2026 00:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, July 07, 2026)

Wed, 08 Jul 2026 00:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, July 14, 2026)

Wed, 15 Jul 2026 00:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, July 21, 2026)

Wed, 22 Jul 2026 00:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, July 28, 2026)

Wed, 29 Jul 2026 00:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, August 04, 2026)

Wed, 05 Aug 2026 00:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, August 11, 2026)

Wed, 12 Aug 2026 00:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, August 18, 2026)

Wed, 19 Aug 2026 00:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, August 25, 2026)

Wed, 26 Aug 2026 00:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, September 01, 2026)

Wed, 02 Sep 2026 00:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, September 08, 2026)

Wed, 09 Sep 2026 00:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, September 15, 2026)

Wed, 16 Sep 2026 00:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, September 22, 2026)

Wed, 23 Sep 2026 00:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, September 29, 2026)

Wed, 30 Sep 2026 00:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, October 06, 2026)

Wed, 07 Oct 2026 00:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, October 13, 2026)

Wed, 14 Oct 2026 00:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, October 20, 2026)

Wed, 21 Oct 2026 00:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, October 27, 2026)

Wed, 28 Oct 2026 00:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, November 03, 2026)

Wed, 04 Nov 2026 01:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, November 10, 2026)

Wed, 11 Nov 2026 01:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, November 17, 2026)

Wed, 18 Nov 2026 01:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, November 24, 2026)

Wed, 25 Nov 2026 01:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, December 01, 2026)

Wed, 02 Dec 2026 01:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, December 08, 2026)

Wed, 09 Dec 2026 01:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, December 15, 2026)

Wed, 16 Dec 2026 01:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, December 22, 2026)

Wed, 23 Dec 2026 01:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!

Open Circuits (Tue, December 29, 2026)

Wed, 30 Dec 2026 01:00:00 GMT

Your Weekly Electronics Hang at Twin Cities Maker

What to expect

You can bring your own project for show-and-tell, to get help, or to just plan on making progress
Contribute to community projects (see list below)
Learn how to use the E-lab equipment
Connect with fellow Twin Cities Makers

Open Circuits is open to both Twin City Maker members and the public at large. We'll meet in the Twin Cities Maker Electronics Lab and spill out into the lobby as necessary.

Community Projects

(on the docket for the foreseeable future)

Raspberry-Pi-based parking permit printer for member storage
Fob-based vending machine for tools and supplies
Fob-based access control to heavy machinery
Vacuum sensors
Energy monitoring (single-phase and 3-phase)
Temperature controller for glasswork

Side Projects

Humidity sensors (e.g., for 3D filament dry boxes)
Strain gauges for weighing propane tanks
ESP32 and ESP8266 projects using Wi-Fi and MQTT

Learn new skills

Wire crimping
Oscilloscope usage
Microcontroller programming
Reverse engineering
3D modeling enclosures

It is not necessary to RSVP to this event!