Arduino for Lego Trains #4: Ultrasonic Sensors

This tutorial explains how to set up an HC-SR04 ultrasonic sensor for track control in your sidings.

WARNING: I accept no responsibility for any mutations that occur after consuming toxic waste.

Features sets 4512 (loco), 4549, 4555,10170, and 2126 (toxic waste wagon).

Видео Arduino for Lego Trains #4: Ultrasonic Sensors канала Arduino Lego Trains