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…
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…
diy projects
KENSAT: A Home-Built CubeSat Running a TinyLlama LLM in Orbit
A home-built 2U CubeSat runs a TinyLlama model on a Jetson Orin Nano and does its AI thinking in orbit before radioing results back…
diy projects
Raspberry Pi Cyberdeck Turns a Teensy Into a Pocket Music Studio
A Raspberry Pi 4 and Teensy 4.1 team up as a pocket M8-tracker music workstation you can build in a single weekend, screen and…
diy projects
WeAct N006: A Credit-Card-Sized Jetson Orin NX Carrier Board
The credit-card-sized WeAct N006 crams a Jetson Orin NX and 40W of edge-AI power into a drone-ready board for about $130. Here is what…
diy projects
The Tanmatsu Handheld: An ESP32-P4 Palmtop Built for Hackers
Born a conference badge, the Tanmatsu is now a real open-source ESP32-P4 palmtop. Here is how the RISC-V handheld actually holds up a year…
3d printing
Build a 3D-Printed Fallout Laser Tag Blaster With a Pico 2 W
A maker spent a year turning a 3D printer and a Raspberry Pi Pico 2 W into an arcade-grade, Fallout-themed laser tag system. Here's…