esp32 & esp8266
Olimex UEXT-CH390 Adds Wired Ethernet to Pico and ESP32
A 4.95 EUR open source UEXT module gives Pico, Pico 2 and Wi-Fi-only ESP32 boards a wired 100 Mbit Ethernet link. Here is what…
microcontrollers
BeagleConnect QuadESC Drives Four Brushless Motors at Once
BeagleBoard's QuadESC pairs a 200 MHz Cortex-M33 module with four motor drivers rated 40 A each. Here is what it means for student robot…
diy projects
Chili Pepper: An ESP32-S3 Board Built for DIY Musical Instruments
Chili Pepper packs an ESP32-S3, 24 touch inputs, a PCM5102 DAC and USB MIDI on one open source board. Here is how to prototype…
iot & smart home
LoraReach: Build an Open LoRaWAN Gateway on a Pi CM4
Brightix's LoraReach carrier board turns a Raspberry Pi CM4 into a customizable LoRaWAN gateway with 4G, GPS, and open schematics. Here is how it…
esp32 & esp8266
Q8botOne: A Palm-Sized Wire-Free Quadruped on an ESP32-C3
Q8botOne packs eight smart servos and an ESP32-C3 into a 250 g quadruped with no wiring harness. See how its single-PCB design works and…
arduino
XGO Duck: Build an Open-Source Robot Duck with Arduino UNO Q
Luwu Dynamics built XGO Duck, an open-source, 15-servo robot duck on Arduino UNO Q with a custom IMU-equipped PCB, ready to build before Microduck…
microcontrollers
warecache Sensor Bins Count Your Parts Using an STM32H723
Sensor-equipped bins weigh their own contents and report over MQTT, so the parts count stays honest. Inside the STM32H723 hardware behind warecache.
microcontrollers
Build a $29 Open-Source STM32F405 FOC Driver for BLDC Motors
Sirojudin Munir's SF-Motion FOC driver runs BLDC motors on an STM32F405, costs about $28.58 in parts, and ships KiCad files under the MIT license.
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.
diy projects
This $155 Open-Source 6-DoF Stylus Replaces $5,000 Mocap Rigs
Aalto University's open-source Lighthouse Stylus tracks position and tilt to under 1 mm for about $155 in parts, against $5,000+ for commercial mocap.
esp32 & esp8266
OpenMote Turns Your Old Wii Remote Into an ESP32 Smart Home Hub
A team gutted a dusty Wii Remote and dropped in an ESP32-S3 board, so the old wand can now fire Home Assistant scenes and…
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.