GPS speed in km/h with one decimal, RGB gradient LED, sunrise/sunset auto brightness, flash history and Wi-Fi AP web dashboard.
Convert isolated low-voltage AC into DC and explore capacitor filtering with a simple rectifier circuit.
Handheld GNSS viewer for ESP32-S3 and u-blox MAX-F10S: sky view, live map, track replay, Web UI, SSH console and optional quake/EEW alerts.
Ranger is a pocket-sized LoRa device that can send encrypted Voice, Text messages, live GPS locations without Cell Towers.
DIY Wi-Fi GPS tracker using Xiao ESP32-S3 + Neo-6M with geofencing and SMS alerts — no SIM card or GSM module needed.
This small circuit uses GPS and 9 RGB LEDs that light up when the eight planets (and Pluto and the Moon) are overhead
Flash the same every unit and they find each other. Off-grid LoRa tracker with a live radar display, compass heading, No SIM, no internet
Custom-built, compact RF reconnaissance unit with integrated dual SDR receivers, LNA, GPS & ESP32, offering wide RX range & TX on ISM bands.
A compact DIY Meshtastic handheld with LoRa, GPS, USB-C, and lessons learned from a first PCB revision.
A solar-powered offline navigation device built for outdoor exploration, waypoint tracking, and off-grid adventures.
Discover how to set up the Ai‑Thinker GP‑02 module with multiple ESP32 variants and an OLED display.
A pocket-sized offline 3D tracker on M5 Cardputer that maps the ISS/Tiangong orbit, showing you exactly when and where to watch passes.
An expandable offline field computer combining GPS, LoRa, MeshCore, RTL-SDR, and vehicle diagnostics.
Basic GPS Tracker with a mapping using ESP32S3 and NEO-6M
ESPAgrarian (ESP32-C6 LoRa GNSS, RTC. The Ager Environmental Toolkit for Worldwide Farming and Agriculture)
GNSS‑free geolocation using Wi‑Fi scans, LTE cell data, and the Google Geolocation API on the Fibocom LE270.
An android application that helps wheelchair users navigate urban terrains.
A stopwatch-style AI camera built on M5Stack StopWatch: point, shoot, and it explains the world out loud — location-aware, multilingual
A portable circuit that uses only GPS to determine what planets are overhead.
An STM32-based control platform featuring GPS, 9-axis IMU, actuator control, and open firmware for vehicle and robotics projects.
Build a LoRa weather station with GPS, DHT11 and Arduino. No Wi-Fi. No cloud. Just long-range wireless data.
A completely offline, self-navigating delivery robot using an ESP32, GPS waypoint queuing, and magnetic heading correction.
Bring the nostalgic Japanese train experience to your car! A dual-core M5CoreS3 display showing real-time GPS speed, weather, and news.
A dual-node ESP32-S3 system that transmits environmental sensor data and live GPS telemetry over LoRa, displaying local metrics on an OLED a
