diy projects
Porting Apache NuttX to the Adafruit Fruit Jam to Run Doom
A forum maker ported Apache NuttX to the Adafruit Fruit Jam, adding USB input and a DVI framebuffer to run LVGL demos and even…
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
A Palm-Sized Battery Bench Power Supply Built on the ATtiny3216
Ben Makes Everything built a palm-sized battery bench power supply with 0.8V to 22V output, USB-C PD charging, and an ATtiny3216 running the show.
diy projects
This Giant ATmega Chip Doubles as a Qi Wireless Charger
Nick Electronics supersized the ATmega chip every Arduino fan loves into a working Qi wireless charger, three prototypes and one 90C meltdown later.
diy projects
Build a Live Flight Tracker on the Feather RP2350 This Weekend
Turn a Feather RP2350 and a 3.5-inch TFT into a desktop flight tracker that spots planes on 1090 MHz and even flags lunar transits…
diy projects
Weekend Build: A Moon-Transit Flight Tracker on Feather RP2350
A desktop flight tracker on the Feather RP2350 that flags the exact second an aircraft crosses the Moon. A two-board weekend electronics build.
diy projects
Weekend Build: A DIY SteamVR AR Headset on an ATmega32u4 PCB
Maker Manolo's Sideloader 3.3 packs SteamVR head tracking into a wearable AR headset built on a bare ATmega32u4 chip and a custom PCB, no…
diy projects
This DIY STM32L4 Smartwatch Puts Every Sensor in Your Control
A maker built an open-source STM32L4 smartwatch with a six-axis IMU, BLE, and USB-C mass storage, then released every line of firmware to fork.
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
Adiuvo Explorer Board: $99 FPGA Development Made Accessible
The open-source Adiuvo Explorer Board puts an AMD Artix UltraScale+ FPGA in reach for $99 - USB-C powered, Pmod-ready, and built for makers.
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
ARDEP: An Open-Source STM32 Dev Board for Automotive Electronics
ARDEP is an open-source STM32 dev board packing dual CAN-FD, LIN, and 48V protection onto one PCB, so joining a car's network gets a…