Tank level monitor

I want to build a water tank level monitor on an ESP32 with an HC-SR04 ultrasonic sensor on the lid that shows how full the tank is in percent on a phone web page.

Buy all on Compoden (COD available)Start this build on Soldr

Parts

ESP32-DevKitC V4 (30-pin CP2102) In stock
HC-SR04 Ultrasonic Sensor In stock
Dupont Jumper Wire Kit (M-M, M-F, F-F, 20cm, 22AWG, ) In stock
USB A to Micro B Cable 1m In stock
120 Resistors 1/4W Carbon Film Assortment Kit In stock

Pins, wiring and code

The pin table, the wiring steps and the code for this build are in Soldr. Start this build on Soldr - you can change it before you buy.