diy projects
DIY STM32 Scientific Calculator With a Memory LCD and CR2032 Power
An STM32L431, a 400x240 Memory LCD and two CR2032 cells make a graphing RPN calculator. See the power, keypad and PCB tricks you can…
diy projects
ATtiny816 PCB Business Card Runs 21 LEDs on Harvested NFC Power
No battery, no charging port. This PCB business card harvests power from your phone's NFC field to run an ATtiny816 and light 21 Charlieplexed…
microcontrollers
MIT-Licensed STM32C5 BluePill Clone Runs Oberon-2 Instead of C
A 144MHz Cortex-M33 in BluePill form, MIT-licensed with KiCad files published, and it speaks Oberon-2 as fluently as it speaks C.
news & releases
Antmicro Open-Sources KiCad Files for a 10GbE Thunderbolt NIC
Antmicro released full KiCad files for a permissively licensed dual 10GbE Thunderbolt card, a free reference design for learning high-speed PCB layout.
microcontrollers
CircuitPython 10.2.1, CERN’s Free KiCad Library & RP2040 PIO Simulator
CircuitPython 10.2.1 just dropped with crash fixes, CERN open-sourced 17,000 KiCad parts, and a slick RP2040 PIO simulator joined the lineup.