esp32 & esp8266
Focus: The Open-Source UI Framework Behind an ESP32 E-Reader
Focus is an open-source C++ framework that brings app-style menus, view controllers, and safe scheduling to the ESP32 and other tiny-RAM boards.
diy projects
Open Book Touch: The ESP32-S3 E-Reader Built to Be Hacked
A $149 open-source e-reader runs on an ESP32-S3, sips under a milliamp while reading, and hands you the firmware, PCB, and CAD to hack…
diy projects
Bitluni’s 8,192-Core DIY GPU Is Built From 13-Cent RISC-V Chips
8,192 RISC-V microcontrollers, six-layer blades, 650 amps and a pogo-pin flashing rig. Inside the cheapest, strangest GPU ever soldered together.
diy projects
Build a 2 Hz to 33.5 MHz Signal Generator on One AVR EB Chip
One AVR chip, a keypad, and an OLED become a bench signal generator that covers 2 Hz to 33.5 MHz in 2 Hz steps…
microcontrollers
Clintech Pico Board: All 48 RP2354B GPIOs in a Pico 2 Footprint
Ran out of pins on your Pico 2? Clintech's new board exposes all 48 RP2354B GPIOs in the same footprint, with room for every…
microcontrollers
The $50 Forgix Puts a Raspberry Pi RP2354 and an FPGA on One Board
Adiuvo's $50 Forgix drops a Raspberry Pi RP2354 and an Efinix FPGA onto one breadboard-friendly board, with an open-source bitstream loader.
microcontrollers
CircuitPython 10.3.0 Alpha 3 Adds USB Audio to Your Boards
CircuitPython 10.3.0-alpha.3 turns ESP32 and RP2350 boards into USB mics and speakers, adds a resampler, and lands an I2S input stream worth testing.
microcontrollers
Meet the G2 Nano: A 1GHz Dev Board Built for Robotics
The G2 Nano packs a 1GHz Cortex-M7, dual-band Wi-Fi, and a six-axis IMU into a breadboard-sized board built to drive serious multi-motor robotics.
microcontrollers
RP2350 Roundup: 6 Standout Pico-Style Boards Worth a Look in 2026
From AMOLED touchscreens to Ethernet jacks, six standout RP2350 boards push the Raspberry Pi Pico 2 chip into wearables, robotics, and IoT builds.