Metal Detector Built With Smartphone Interface - If you think of a metal detector, you’re probably thinking of a fairly simple devi... - https://hackaday.com/2025/03/25/metal-detector-built-with-smartphone-interface/ #microcontrollers #microcontroller #metaldetector #smartphone #toolhacks #esp32

A Modern Take on the Etch A Sketch - The Etch A Sketch is a classic children’s toy resembling a picture frame where art... - https://hackaday.com/2025/03/20/a-modern-take-on-the-etch-a-sketch/ #intertialmeasurement #microcontroller #tilt-a-sketch #etchasketch #toyhacks #matrix #imu #led

Laser Harp Sets the Tone - In many ways, living here in the future is quite exiting. We have access to the wo... - https://hackaday.com/2025/03/20/laser-harp-sets-the-tone/ #persistenceofvision #microcontroller #laserhacks #highpower #laserharp #arduino #laser #music #midi

World’s Smallest Blinky, Now Even Smaller - Here at Hackaday, it’s a pretty safe bet that putting “World’s smallest” in the ti... - https://hackaday.com/2025/03/19/worlds-smallest-blinky-now-even-smaller/ #microcontrollers #microcontroller #microsoldering #attiny20 #tantalum #blinky #led

Ask Hackaday: What Would You Do With the World’s Smallest Microcontroller? - It’s generally pretty easy to spot a microcontroller on a PCB. There are clues apl... - https://hackaday.com/2025/03/17/ask-hackaday-what-would-you-do-with-the-worlds-smallest-microcontroller/ #microcontrollers #texasinstruments #hackadaycolumns #microcontroller #askhackaday #cortex #arm #bga #mcu

TI's tiny #microcontroller is the world's smallest and costs less than 20 cents - https://www.zdnet.com/article/tis-tiny-microcontroller-is-the-worlds-smallest-and-costs-less-than-20-cents/ " This remarkable device is only a little larger than a pepper flake." insane

Does anyone know QEMU well? I'm trying to figure out how to control the virtual TMP105 built into the #ESP32 fork of QEMU. If I build/run with "idf.py qemu" it magically works (reads from the virtual I2C TMP105 at addr 0x48). How do I change the temp in qemu? #iot #microcontroller

Here is the one everyone has been asking for: Introduction to #Zephyr The first episode is out! My plan is to get #embedded devs up to speed on this fast-growing #RTOS. Check it out!

https://youtu.be/mTJ_vKlMS_4

#microcontroller #IoT #electronics #programming #ESP32 @zephyr

Digging through an old box and found these from back when I'd get any new microcontroller... sigh. Anyone have a use for them?

#microcontroller #electronics #maker

How to find and fix memory leaks in #ESP32. ESP-IDF has some great tools for identifying memory leaks, which I was able to use to fix my #WiFi driver! #microcontroller #IoT #programming

From Retro to Radiant: 3D Tetris On A LED Matrix - We love seeing retro games evolve into new, unexpected dimensions. Enter [Markus]’... - https://hackaday.com/2025/01/21/from-retro-to-radiant-3d-tetris-on-a-led-matrix/ #microcontroller #ledmatrix #ledhacks #tetris #games #esp32 #esp #led

Smallest USB Device… So Far - For better or worse it seems to be human nature to compete with one another, as in... - https://hackaday.com/2025/01/20/smallest-usb-device-so-far/ #peripheralshacks #microcontroller #keyboard #mouse #small #stm32 #port #tiny #pcb #usb

Stealth AirTag Broadcasts When Moved: an Experiment - A simple yet intriguing idea is worth sharing, even if it wasn’t a flawless succes... - https://hackaday.com/2025/01/18/stealth-airtag-broadcasts-when-moved-an-experiment/ #microcontrollers #microcontroller #wirelesshacks #mpu-6050 #smarttag #battery #airtag #airtag #esp32 #imu

Homebrew Retro Console Runs On PIC32 - [Chad Burrow] decided to take on a noble task—building a “retro” style computer an... - https://hackaday.com/2025/01/13/homebrew-retro-console-runs-on-pic32/ #microcontrollers #microcontroller #emulator #console #gameboy #games #pic32

From last week's Linux Update newsletter: Learn to make your microcontroller apps safe and secure with Rust
https://www.linux-magazine.com/Issues/2024/289/Embedded-Rust
#microcontroller #OpenSource #Rust #security #apps

38C3: Xobs on Hardware Debuggers - If you just want to use a debugger for your microcontroller project, you buy some ... - https://hackaday.com/2024/12/29/38c3-xobs-on-hardware-debuggers/ #microcontrollers #microcontroller #debugger #hardware #protocol

I made some tiny tweaks to my Cistercian numerals watch face. The date and step count numerals are now just a little bit bolder, and there's finally a way to see the remaining battery power on screen: that thin black border around the edge will gradually shrink into the corners as it drains.

I finally thought to take a photo towards the end of the day when the time numeral is fairly complex!
#ESP32 #CPP #Watchy #watch #Cistercian #CistercianNumerals #programming #microcontroller

Build your own elegant e-paper weather display powered by an ESP32 microcontroller

https://anonsys.net/display/bf69967c-1167-5b4e-7524-712001409620

Tiny NFC-Powered Keychain Thermometer - What if your keychain could tell you the temperature, all while staying battery-fr... - https://hackaday.com/2024/12/08/tiny-nfc-powered-keychain-thermometer/ #microcontroller #wearablehacks #attinyhacks #temperature #thermometer #attiny1626 #keychain #wearable #nfc

A while back, I made a Bitsy Jam game about trying and not quite managing to make a watch that displays the time in Cistercian numerals: https://damonwakes.itch.io/hibernation-hassle

Almost two years on, I'm happy to say that I've finally done it! I'd still like to add a battery indicator (and if I'm feeling really fancy, numerals for the date and a step counter), but I'm quite happy with the minimalist look of this as-is.
#ESP33 #CPP #Watchy #watch #Cistercian #CistercianNumerals #programming #microcontroller