diy projects
Brass and a Raspberry Pi 5: A Handheld PC You Build Yourself
Maker Huy Vector bent brass tubes into a frame for a Raspberry Pi 5 handheld with a 4-inch HDMI screen and an I2C keyboard.…
esp32 & esp8266
Build a Solar-Powered IoT Node with This ESP32-C6 Board
An ESP32-C6 dev board built for solar IoT: BQ25186 charging, reverse-voltage protection, QWIIC I2C, and ten GPIO pins for cable-free sensor nodes.
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
Build a Rotating UV Flame Scanner With the UVTRON R2868
A solar-blind UVTRON R2868 phototube on a spinning platform spots flames through dense brush from 15 meters. Here's the parts list and wiring.
raspberry pi
QuadRF Turns a Raspberry Pi 5 Into a Wi-Fi-Seeing RF Camera
QuadRF is an open source phased-array kit that turns a Raspberry Pi 5 into a real-time RF camera, mapping Wi-Fi and wireless transmitters in…
diy projects
Duality Canvas: Build a Wall-Sized ESP32 LED Display With WLED
Andy Huot's Duality Canvas tiles 16x16 addressable-LED PCB panels into a wall-sized display you can scale to any size, driven by an ESP32 and…
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.
iot & smart home
Run OpenClaw: Turn Your Raspberry Pi Into an Agentic AI Sidekick
OpenClaw lets an AI agent act on its own, and a Raspberry Pi is the safest sandbox to run it. Here is what the…
diy projects
Lini: An Open-Source Raspberry Pi CM5 Handheld With 40-Pin GPIO
The open-source Lini handheld runs a Raspberry Pi CM5 and breaks out a full 40-pin GPIO header with 6A rails, turning a pocket computer…
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
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…