Ethan Zonca has designed a programming adapter for use with STM32 programmer. After making the switch from AVR to STM32 microcontrollers, I redesigned my old 6-pin ICSP pogo-programming adapter for SWD. The new design allows programming with pogo pins or a small pin header soldered...

Here is a nice idea of a business card solar smartphone charger with USB plug. The charger is 3mm thick and can provide 50mA @ 5V Smartphone Solar charger card -...

Dan Watson has designed a development board for the Atmel SAM D09 microcontroller: The Atmel SAM D series of 32-bit microcontrollers includes several devices, each with a long list of features at great prices. Perhaps the best known of the series in the maker community is the SAM D21...

Ken Boak has designed a tiny 16-bit computer around a FRAM based MSP430 microcontroller. He writes: In this post we look at a new MSP430 FRAM based device – the MSP430FR2433. It has 15K of FRAM, 0.5K of Info FRAM and 4K bytes of SRAM. As well as the memory, there are 3 serial...

adafruit has published an IoT  Migrane or Allergies Detector. This project uses Feather HUZZAH ESP8266 wireless microcontroller board to pull a forecast from the accuweather.com web site, then distills this to its barest essence: good news or bad news? An ambient information...

morethanuser.blogspot.com has been trying to make a smartwatch based on ESP12e and they document their efforts. Esp12e is configured as an access point and the "watch" is able to show some usefull information, but it's not a complete watch yet. I does not have any fancy features like...

BEAGLECORE™ is licenced under Creative Commons (CC-BY-SA). They have published a ZIP-file containing all relevant information on footprint, schematics, BOM and many more for BEAGLECORE™ BCM1 & BCS1 Miniaturized computer module for industrial or commercial applications...

A new 3 MHz BiCMOS Die Shot from zeptobars.com ST TS951 - 3 MHz BiCMOS R2R OPAMP -...