Mike Coats 🏴󠁧󠁢󠁳󠁣󠁴󠁿🇪🇺🌍♻️
mikecoats.social
Mike Coats 🏴󠁧󠁢󠁳󠁣󠁴󠁿🇪🇺🌍♻️
@mikecoats.social
IT Manager with a background in software development. An active-travel advocate, a citizen activist and an unending tinkerer of all things hardware and software.

Views & posts are my own. Re-posts not endorsements.
Profile photo: Evelyn/OSHWA
Pinned
My latest blog post: Introducing Touchy Subject

mikecoats.com/touchy-subject/

I'm proud to announce Touchy Subject, a Qwiic/STEMMA QT compatible breakout for the AT42QT2120 capacitive touch sensor; development sponsored by PCBWay.

#electro#electronicsr#openHardwareu#openSource
Introducing Touchy Subject
I'm proud to announce the release of Touchy Subject, a Qwiic/STEMMA QT compatible breakout board for the AT42QT2120 12-key capacitive touch sensor, the development of which has been sponsored by PCBWay.
mikecoats.com
My latest blog post: My Experience Using PCBWay for Sponsored Prototyping

mikecoats.com/pcbway-exper...

Emily from @pcbwayofficial.bsky.social reached out to offer some free prototyping for my projects. I was delighted and jumped at the opportunity.

#electronics #hardware #openHardware #sponsored
My Experience Using PCBWay for Sponsored Prototyping
Earlier this year, Emily from PCBWay reached out to offer some free prototyping for my projects. I was delighted and jumped at the opportunity.
mikecoats.com
November 11, 2025 at 3:55 PM
Reposted by Mike Coats 🏴󠁧󠁢󠁳󠁣󠁴󠁿🇪🇺🌍♻️
Dirty disgusting terribly good
November 7, 2025 at 2:40 PM
My latest blog post: Cheap and Dirty 5-volt Supply

mikecoats.com/cheap-dirty-...

The old adage goes, 'if it's stupid, but it works, then it's not stupid.' This is possibly the cheapest and dirtiest 5-volt power supply money can buy.

#electronics #hardware #hack #power
Cheap and Dirty 5-volt Supply
The old adage goes, 'if it's stupid, but it works, then it's not stupid.' This is possibly the cheapest and dirtiest 5-volt power supply money can buy.
mikecoats.com
November 7, 2025 at 2:32 PM
My latest blog post: Touchy Subject is Available

mikecoats.com/touchy-subje...

Touchy Subject breakouts for the AT42QT2120 12-key touch sensor (development sponsored by @pcbwayofficial.bsky.social) are now available for purchase at @lectronz.com.

#electronics #hardware #openHardware #sponsored
Touchy Subject is Available
My Touchy Subject breakout boards for the AT42QT2120 12-key capacitive touch sensor, whose development was sponsored by PCBWay, are now available for purchase.
mikecoats.com
November 6, 2025 at 11:10 AM
My latest blog post: Open Hardware Month 2025

mikecoats.com/open-hardwar...

October is Open Hardware Month, and @oshwassociation.bsky.social is celebrating with a 12-hour live stream on the 6th. See amazing makers share their projects and why Open Hardware is important.

#openHardware #openSource
Open Hardware Month 2025
October is Open Hardware Month, and the Open Source Hardware Association is celebrating with a 12-hour live stream on the 6th. See amazing makers show off their projects and share why Open Hardware is...
mikecoats.com
October 3, 2025 at 10:36 AM
Reposted by Mike Coats 🏴󠁧󠁢󠁳󠁣󠁴󠁿🇪🇺🌍♻️
Open Hardware Month (OHM): October 2 certified board highlights @oshwassociation.bsky.social
blog.adafruit.com/2025/10/02/o...
October 2, 2025 at 4:09 PM
My latest blog post: Contributing to the CircuitPython Community Bundle

mikecoats.com/contributing...

I've been working with the AT42QT2120 touch sensor, and wanted to write a @circuitpython.org driver and publish it for others to use.

#circuitPython #embedded #openSource #python
Contributing to the CircuitPython Community Bundle
I've been building a new PCB around the AT42QT2120 touch sensor, and to make use of the board I wanted to write a CircuitPython driver for it and publish it for others to use.
mikecoats.com
October 2, 2025 at 10:33 AM
Reposted by Mike Coats 🏴󠁧󠁢󠁳󠁣󠁴󠁿🇪🇺🌍♻️
If you want this poster to remind you to slow down you can get it by following me and @cyborggarbage.bsky.social October 6 on the Goshwassociation 12 hour Livestream! Any new members or donations of any size will get you a cool slow sloth riso poster! Woohoo! 💾⚙️🦥
September 30, 2025 at 10:06 PM
Reposted by Mike Coats 🏴󠁧󠁢󠁳󠁣󠁴󠁿🇪🇺🌍♻️
Open Hardware Month (OHM): October 1 certified board highlights @oshwassociation.bsky.social
blog.adafruit.com/2025/10/01/o...
October 1, 2025 at 3:55 PM
Reposted by Mike Coats 🏴󠁧󠁢󠁳󠁣󠁴󠁿🇪🇺🌍♻️
It's official! We are in Open Hardware Month! 🎉 It's time to celebrate all the wonderful ways open source hardware can exist and get those projects certified ;) Also maybe snag a fun variation on our fundraiser merch?

www.customink.com/fundraising/...
Open Hardware Month Fundraiser, Supporting Open Source Hardware Association
The Open Source Hardware Association works to spread awareness and knowledge of open source practices. We work to help show people how and why sharing their work for everyone to make and iterate on is...
www.customink.com
October 1, 2025 at 5:10 PM
My latest blog post: Introducing Touchy Subject

mikecoats.com/touchy-subject/

I'm proud to announce Touchy Subject, a Qwiic/STEMMA QT compatible breakout for the AT42QT2120 capacitive touch sensor; development sponsored by PCBWay.

#electro#electronicsr#openHardwareu#openSource
Introducing Touchy Subject
I'm proud to announce the release of Touchy Subject, a Qwiic/STEMMA QT compatible breakout board for the AT42QT2120 12-key capacitive touch sensor, the development of which has been sponsored by PCBWay.
mikecoats.com
September 25, 2025 at 11:07 AM
Reposted by Mike Coats 🏴󠁧󠁢󠁳󠁣󠁴󠁿🇪🇺🌍♻️
My latest blog post: Designing 3D Printed Sewable Badges

mikecoats.com/designing-3d...

My daughter's going as a pirate for Halloween. Here are the steps I followed to design and print a sewable cap badge for her Tricorne.

#3dPrinting #openScad #inkscape
Designing 3D Printed Sewable Badges
My daughter's going as a pirate for Halloween. Here are the steps I followed to design and print a sewable cap badge for her Tricorne.
mikecoats.com
September 3, 2025 at 9:05 AM
My latest blog post: Designing 3D Printed Sewable Badges

mikecoats.com/designing-3d...

My daughter's going as a pirate for Halloween. Here are the steps I followed to design and print a sewable cap badge for her Tricorne.

#3dPrinting #openScad #inkscape
Designing 3D Printed Sewable Badges
My daughter's going as a pirate for Halloween. Here are the steps I followed to design and print a sewable cap badge for her Tricorne.
mikecoats.com
September 3, 2025 at 9:05 AM
My latest blog post: Installing CircuitPython on a Freenove ESP32-S3-WROOM CAM

mikecoats.com/circuitpytho...

For CircuitPython Day 2025, here's how I installed CircuitPython on an unsupported board, the Freenove ESP32-S3-WROOM CAM.

#circuitPythonDay2025 #circuitPython #esp32 #freenove #python
Installing CircuitPython on a Freenove ESP32-S3-WROOM CAM Board
In celebration of CircuitPython Day 2025, here's how I installed CircuitPython on one of my favourite, but unsupported, boards, the Freenove ESP32-S3-WROOM CAM Board.
mikecoats.com
August 15, 2025 at 9:07 AM
My latest blog post: Hacking an IKEA HÖVOLM into a Helmet Rack

mikecoats.com/hovolm-helme...

I received my first ever 3D printer recently, so I decided to put it to some practical use. I designed some new hooks to hold bike helmets securely on an IKEA HÖVOLM.

#3dPrinting #openSource #openHardware
Hacking an IKEA HÖVOLM into a Helmet Rack
I received my first ever 3D printer as a present recently, so I decided to put it to some practical use. I designed some new hooks to hold bike helmets securely on an IKEA HÖVOLM.
mikecoats.com
August 11, 2025 at 8:55 PM
Reposted by Mike Coats 🏴󠁧󠁢󠁳󠁣󠁴󠁿🇪🇺🌍♻️
Check out this rad overview of bleeptrack’s OHS2025 experience! So rad to have such cool folks join us this year :)
August 6, 2025 at 11:17 PM
My latest blog post: Admitting Defeat

mikecoats.com/admitting-de...

Sometimes you have to bail out before the sunk costs sink you. Having a good idea isn’t the same as having a good product.

#battery #cell #electronics #hardware #power #prototyping #usbC
Admitting Defeat
Sometimes you have to bail out before the sunk costs sink you. Having a good idea isn’t the same as having a good product.
mikecoats.com
July 29, 2025 at 12:30 PM
My latest blog post: Back 2 Basics - NMOS Switch

mikecoats.com/back-2-basic...

The latest in my 'back to basics' series. Toggle high-ish voltages and currents from a microcontroller using an N-channel enhancement mode Field-Effect Transistor.

#dataSheet #electronics #hardware
Back 2 Basics - NMOS Switch
The latest in my 'back to basics' series. Toggle high-ish voltages and currents from a microcontroller using an N-channel enhancement mode Field-Effect Transistor, also known as an NMOS Switch.
mikecoats.com
July 20, 2025 at 12:32 PM
Reposted by Mike Coats 🏴󠁧󠁢󠁳󠁣󠁴󠁿🇪🇺🌍♻️
2025 One Hertz Challenge: Metronalmost is Gunning for Last Place
2025 One Hertz Challenge: Metronalmost is Gunning for Last Place
Hackaday Article
hackaday.com
July 15, 2025 at 5:05 PM
Here we go! An ESP32-S3 running MicroPython using each of the Monstera leafs as a capacitive touch pad.

Each pad works individually and multitouch works across all four too!

#electronics #microPython
July 15, 2025 at 5:17 PM
I've soldered on a set of pins to one board and headers to another to test the Monstera pads.

The only LEDs I have stock of in four colours are these excellent not-LEGO blocks from the now defunct Lunchbox Electronics. I believe they came from an old @oshwassociation.bsky.social OHS swag bag.
July 15, 2025 at 5:12 PM
My latest boards from @oshpark.bsky.social have arrived! Hand-drawn Monstera leaf capacitive touch pads with curved PCB traces.

I wonder how well they will work. They're a bit of a proof-of-concept at the moment.

#electronics
July 15, 2025 at 3:37 PM
My latest blog post: Reverse Engineering a Broken Night Light - Part 1

mikecoats.com/night-light-...

We bought our first Night Light when our daughter was born; within 3 years two had broken. Let's reverse-engineer what's left and build a smart light.

#electronics #hardware #reverseEngineering
Reverse Engineering a Broken Night Light - Part 1 - Tear Down
We bought our first Night Light when our daughter was born; within 3 years, it and its replacement had broken. Let's tear it down, reverse-engineer what's left, and build it back up with some extra '...
mikecoats.com
July 14, 2025 at 12:50 PM
Reposted by Mike Coats 🏴󠁧󠁢󠁳󠁣󠁴󠁿🇪🇺🌍♻️
One is reminded of Vetinari's clock...
July 10, 2025 at 2:26 AM