Software for Your Open Hardware

A retro-styled digital picture frame using LILYGO T5 4.7" e-paper that cycles through grayscale images converted from PNG files, with a 3D-printed vintage frame enclosure.

Set up the LILYGO T-Deck Plus as a Meshtastic handheld communicator with built-in GPS and offline raster map tiles stored on a microSD card for real-time mesh network visualization in the field.

An Arduino demo combining the LILYGO T5s 2.7-inch e-paper display with onboard I2S MAX98357A audio playback and ICS43434 MEMS microphone using the official TTGO-T5S-Epaper examples.

Flash the LILYGO TO-ESP8266 OLED SH1106 with Tasmota to get a WiFi-connected smart switch with a 1.3" SH1106 OLED display showing sensor values, device state, and IP address.

A complete ESPHome YAML configuration for the LILYGO T-Dongle S3, enabling easy Home Assistant integration with the device's 0.96" color display, LED, and GPIO pins — no C++ coding required.

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.

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.

Use the VoltLink CP2102N with its optional Shelly programming adapter to safely flash Tasmota or ESPHome firmware onto Shelly relays without mains power, powering them via USB during the process.

Getting started tutorial covering Ultra-Wideband ranging and localization using the Makerfabs ESP32 UWB DW3000 module with Arduino IDE, including anchor-tag setup and distance measurement.

Official Python CLI for the ChameleonUltra providing full device control, MIFARE cracking, card reading/writing, slot management, and scripting automation. The primary tool for power users and security professionals.

Step-by-step tutorial for building an RTK positioning system using two TinkerNav boards communicating over WiFi, achieving centimeter-level GPS accuracy with a local base station and rover.

Real-time indoor positioning demo using 3 ESP32 UWB modules (2 anchors + 1 tag) with trilateration, UDP data streaming, and Python-based position visualization on PC.

Tutorial for setting up a long-range RTK positioning system using TinkerNav boards with TinkerSend LoRa radios, enabling RTCM correction data transmission over distances up to 6 km.

Tutorial for recording brainwaves from the prefrontal cortex (Fp1/Fp2 positions) using BioAmp EXG Pill and Brain BioAmp Band with Arduino Uno and Spike Recorder visualization.

Build a brain-computer interface that reads EEG beta waves to illuminate LEDs on the Arduino Uno R4 LED matrix when you concentrate, using BioAmp EXG Pill and Brain BioAmp Band.

Video series documenting the iterative hardware design of the VoltLink CP2102N across five PCB revisions, covering chip selection, ESD protection, DFM optimization, and a CP2104 LED bug discovery.

A brain-computer interface project that uses EEG beta waves to control a virtual candle flame's brightness in real-time based on your concentration level, using Chords Web visualization.

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.

Arduino sketches for connecting a TinkerNav board to an NTRIP caster over WiFi, enabling single-board RTK rover operation using publicly available or subscription-based correction data streams.

In-depth security research guide by Oscar Alfonso Diaz comparing the ChameleonUltra with the ChameleonMini RevE. Covers MIFARE Classic cracking techniques, dual-frequency capabilities, and practical usage for access control security testing.

Long-range outdoor testing of the ESP32 DW3000 UWB module achieving over 500m distance, with tips on antenna placement, obstacle effects, and optimizing range performance.

Video tutorial by Adam S. covering DW3000 UWB fundamentals, Makerfabs ESP32 UWB module setup, time-of-flight ranging, Apple U1 interoperability, and indoor/outdoor accuracy testing.

Video tutorial and community guide demonstrating how to use the Oui-Spy with Flock-You firmware to detect and map Flock Safety automated license plate reader cameras in the field.

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.

Indoor 2D positioning system using three Makerfabs ESP32 UWB modules as anchors and tags. Calculates position via trilateration and displays real-time location on a Python GUI over UDP.