SolderHub Projects

Community Builds

Browse builds with schematics, firmware, and live Wokwi simulations.

Board

Difficulty

3 projects (filtered)

Water Level Monitor

A self-hosted water tank monitoring system using an ESP8266 and HS-S37P water depth sensor, serving a live dashboard on your local network.

Beginner8 10 min

ESP8266

🌿 AirWatch — Air Quality Monitoring System

A self-contained air quality monitor built with an ESP8266, MQ135 gas sensor, and OLED display — shows live AQI, sounds a buzzer past a set threshold, and streams readings to a web dashboard over Wi-Fi.

Intermediate10 11 min

ESP8266

Control an LED Over Wi-Fi Using NodeMCU ESP8266

Build a Wi-Fi LED controller with the NodeMCU ESP8266: the board's D-pin vs GPIO numbering explained, a verified blink test, then a web server sketch that lets any phone or laptop on your network switch an LED from a browser.

Beginner568 25 min