Pi-Ener-lite: Compact UPS with Fuel Gauge and RTC for Raspberry Pi Zero
Pi-Ener-lite is a compact UPS for Raspberry Pi Zero with a CW2015 fuel gauge, DS1307 RTC, and 18650 battery support,…
SonicFly: the drone that follows another drone using only sound
SonicFly lets a drone follow another using only the sound of the leader's rotors—no GPS, cameras, or radio. Built by…
PyBLE: A Bluetooth LE MicroPython IDE for ESP32
PyBLE is an open-source MicroPython IDE that communicates over Bluetooth LE, letting you code, run, and debug ESP32 boards wirelessly…
IoT Gate Opener with the Ganimede.E12 Board
Control a gate or other electronic devices from your smartphone using the Ganimede.E12 board and a dedicated mobile app, with…
Gemma Translator: offline voice interpreter on Raspberry Pi 5
Gemma Translator is an open-source multilingual voice interpreter for Raspberry Pi 5 that runs entirely on-device, using Google Gemma 4…
Open Source Firmware for the MasterBuilt Gravity 800: Controller Reverse Engineering
A maker known as PRBS23 has freed the MasterBuilt Gravity 800 Grill controller from proprietary firmware, replacing it with an…
Mini Electronic Piano with 555 Timer
Build a simple seven-note electronic keyboard using the versatile 555 timer IC. This project explains the astable multivibrator configuration and…
ePaper weather dashboard with XIAO EE05 and SenseCraft Seeedash
Build a no-code ePaper weather dashboard with the Seeed Studio XIAO EE05 and SenseCraft Seeedash. Drag-and-drop widgets, flash firmware, and…
Scriptable USB keyboard with Teensy and Raspberry Pi
Build a scriptable USB keyboard using a Teensy board that emulates a standard keyboard and can be controlled over serial…
ePaper Smart Journal: The Distraction-Free Notebook with Raspberry Pi
Discover the ePaper smart journal, an open-source electronic notebook built with a Raspberry Pi Zero 2 W, a Waveshare ePaper…