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Step-by-step tutorials with wiring guides, downloadable code and interactive explanations — from your first Arduino project to wireless sensors and robots.

AllESP32 & ESP8266IoTRobotics
ESP32 & ESP8266

Build an ESP32 water-tank monitor: see the level, understand the echo

Turn an ultrasonic echo into a useful water-level reading. Build a tabletop monitor, calibrate it, try the interactive tank and add a low-water alarm without alarm chatter.

5 min read·Beginner·1 viewsRead →