Software for Your Open Hardware

Build a WiFi-to-Zigbee bridge using Sonoff Zigbee Bridge Pro or DIY ESP32 + CC2652P setup with Tasmota. Connects 128+ Zigbee sensors and actuators to MQTT for Home Assistant integration.

ESP32-S3 firmware that detects Flock Safety ALPR cameras and Raven gunshot detectors using BLE heuristics, with GPS wardriving, web dashboard, and KML/CSV/JSON export for Google Earth mapping.

A software emulation of the Z80-MBC2 homebrew computer running on the LILYGO FabGL VGA32, outputting to a real VGA monitor with PS/2 keyboard support and SD card storage.

A people-counting node on the TTGO LoRa32 V2.1 that scans for nearby WiFi and Bluetooth devices, uploads counts via LoRaWAN to TTN, and supports relay control via TTN downlinks.

A LoRaWAN OTAA sensor node built on the LILYGO T-Lora C6, combining SX1262 long-range LoRa radio with the ESP32-C6's native WiFi 6, Bluetooth 5, and 802.15.4 (Zigbee/Thread) connectivity for versatile IoT gateway applications.

Full-featured plant monitoring application for the LILYGO T-Higrow with a local web UI, 24-hour charts, CSV data logging, MQTT auto-discovery for Home Assistant, and deep sleep for battery operation.

Standalone BLE scanning firmware for the Oui-Spy that detects targeted Bluetooth devices by MAC address or manufacturer OUI prefix with audio/visual alerts, web portal configuration, and persistent device history.

DIY compact Meshtastic communicator build using the Heltec Wireless Tracker with ESP32-S3, SX1262 LoRa, GPS, and a push-button keyboard for off-grid mesh messaging and GPS tracking.

Build a brain-computer interface using the BioAmp EXG Pill and Arduino Uno R4 that enables video game control through focus detection and eye blink sensing via EEG and EOG signals.

A complete DIY build project for the Micro Journal Rev.3 Nadia, a 48-key ortholinear keyboard with phone holder that transforms any smartphone into a distraction-free writing station using 3D-printed parts and an RP2040 PCB.

Build guide for converting a passive Tozzi One speaker kit into a WiFi-enabled active speaker using the Louder ESP32 and Squeezelite firmware for Home Assistant whole-home audio.

Step-by-step tutorial for recording brainwaves from the visual cortex (O1/O2 positions) using BioAmp EXG Pill, Brain BioAmp Band, and an Arduino-compatible board with Spike Recorder visualization.

Arduino firmware sketch that applies a 0.5-29.5 Hz 4th-order Butterworth band-pass filter to raw EEG data for clean electroencephalography recording with BioAmp EXG Pill.

A comprehensive motion-capture camera firmware for ESP32-S3 boards including the LILYGO T-Camera S3, recording MJPEG video to SD card, streaming to a browser, and sending Telegram/email alerts on PIR or camera-detected motion.

Build a battery-powered rain gauge that logs rainfall measurements with RTC timestamps to an SD card. Uses the Bee Data Logger's ADC inputs to read a tipping bucket rain gauge sensor for long-term weather tracking.

Full-featured motion-triggered video recording firmware for the T-Camera S3 with AVI recording to SD card, MJPEG streaming, FTP upload, Telegram alerts, and ML-based object classification.

Complete open-source KiCad PCB design files for the VoltLink CP2102N USB-to-serial adapter and ESP32 programmer, including schematics, board layout, BOM, and Gerber files for DIY manufacturing.

Hackaday.io project documenting the Louder ESP32 and ESP32 Audio Boards v2 series by Sonocotta, with hardware design logs, firmware guides, and community discussion.

A UWB distance tracking project using Makerfabs ESP32 UWB devices achieving ~130 m range with DW1000. Includes antenna delay calibration for optimal accuracy and WiFi connectivity on the tag side.

A fork of Meshcore focused on enabling BLE and WiFi companion app connectivity for the LILYGO T-Deck Pro, letting users pair the handheld with smartphone apps for off-grid LoRa mesh messaging.

Hackster.io coverage of the Micro Journal project by Un Kyu Lee, documenting the evolution from phone-based Rev.3 Nadia to modular ESP32 revisions, with custom distraction-free writing firmware and Google Drive sync.

Build a brain-computer interface that classifies EEG signals into attentive and relaxed states to control a video game character, using machine learning with BioAmp EXG Pill and Python.

Advanced UWB ranging firmware for Makerfabs ESP32 DW3000 supporting single/double-sided TWR, multi-anchor configurations, and distance matrix measurements for motion estimation research.

Synchronize the Bee Data Logger's DS3231 RTC with an NTP time server over WiFi, then use the precise RTC timestamps for offline data logging. Ensures accurate timestamps even without internet access.

Build a custom watch face application on the LILYGO T-Watch 2020 (V1/V2/V3) using the Arduino framework, LVGL graphics, and the official TTGO TWatch Library, with time sync, touchscreen interaction, and expandable app support.