🌬️ Control your fan and display real-time data with this low-power ESP32 IoT solution featuring OLED, MQTT for Home Assistant, and automatic temperature regulation.

Battery-powered ESP32-S3 gateway for 4 SDI-12 soil sensors. Deep sleep (1h cycles, ~10μA), MOSFET power switching, individual level-shifted data lines. Precision agriculture and environmental monitoring.

A ESP32-C6 based Zigbee sensor for getting the values of an SML energy meter

Project made to learn electronics and ESP32 programming. A self-contained device with OLED display and all parts in an enclosure. The screen shows temperature, humidity and pressure from Home Assistant via MQTT. DS18B20 measures internal temp; a fan is driven by ESP32 with N-MOSFET and hysteresis to prevent overheating.

Design files and physical documentation for the Falcon Flight embedded flight controller

A compact BLE smart tracker that helps quickly locate misplaced vehicle keys.

Portable Bluetooth speaker built with a Raspberry Pi Pico W and a Sony SS-TS300 satellite speaker, mainly using recycled parts.

Battery-powered bicycle acquisition module using camera, dual 360° Lidar, and GNSS with ROS2 on Raspberry Pi to detect overtaking vehicles and measure curb distance.

A ESP32-C6 based Zigbee sensor for getting the values of an SML energy meter

DitroniX GTIE ESP8266 ADC GTIL CH340 OPTO CT Current Clamp Battery Powered Energy Monitor GTIL2

Repository of the S NODE 1 IoT project, a solar powered environmental sensor. The repository contains firmware, software and HW files of the project.

Time Watcher, Timer, Stopwatch on ESP8266 WeMos with display shield

Firmware for a battery powered Feather M0 LoRaWAN particular matter sensor (BME280, SDS011)

Battery-powered Wi-Fi Repeater based on the ESP8266 board, than can be used to extend a Wi-Fi Network range in areas where it could be difficult to use standard Wi-Fi repeaters

Battery-powered wildlife camera based on the ESP32-CAM board

Ultra-Low Power Single push button ON/OFF controller based on ATTiny13/13A/25/45/85 for other microController and circuits application

A lightmeter for an analog camera powered by a Infenion XMC2GO board. Features 5 buttons, OLED screen with reading and a VEML7700 light meter IC. Powered with a LIR2032 Li-ion cell.

Universal Arduino based data logger to SDcard.

Arduino compatible low consumption battery powered device with uSD slot and real time clock

Pointless Button Hardware Version 2