diy projects
The PocketMage: An Open-Source ESP32-S3 E Ink PDA Goes Live
Meet the PocketMage: an open-source ESP32-S3 pocket PDA pairing a dual E Ink and OLED display for distraction-free writing, notes, and light coding.
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
Raspberry Pi 4 Serves Offline Classrooms: Inside the LEAP Node
T4EQ built a Raspberry Pi 4 that caches school video lessons and serves 40 tablets over a local router, with zero internet needed after…
diy projects
Build a Keychain Game Console with a Raspberry Pi Pico 2 W
Ronald Nelson crammed a 13-game retro console, Wi-Fi, and a custom 52KB OS into a keychain-sized shell built on the Raspberry Pi Pico 2…
raspberry pi
Build Your Own Rocky: A Raspberry Pi 5 AI Robot That Talks
A maker rebuilt Rocky from Project Hail Mary using a Raspberry Pi 5, seven servos, and Claude AI so it can chat and scuttle.…
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
Raspberry Pi Pico Turns a Koi-Pond Guitar Into a MIDI Controller
Monique Evette's Koi-Tar pairs a Raspberry Pi Pico with capacitive lily-pad touch sensors to turn a resin sculpture into a runway-ready MIDI instrument.
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…
robotics
Magnetic FMG Sensors and AI Give Prosthetic Hands Precise Control
Florida Atlantic University swapped noisy EMG for magnetic force myography sensors and a per-user AI model to give prosthetic hands far steadier control.
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…
esp32 & esp8266
RTK GPS on a Budget: Centimeter Accuracy with an ESP32 Rover
Standard GPS is off by 15 feet. See how an ESP32 rover and an affordable RTK kit hit half-inch accuracy for capstone and robotics…