pcmola/lego-magic-train

Using an ultrasonic sensor, I created a piece of moving a LEGO train.

The train speeds up when I put my hand close to the sensor. If I move my hand away from the sensor, it slows down.

Prerequisite

You must have PowerFunctions.cpp, PowerFunctions.h file in advance.

These files could be downloaded at https://github.com/jurriaan/Arduino-PowerFunctions .

Bill Of Materials

Label	Part Type
LED1	Red (633nm) LED
R1	220Ω Resistor
Part1	KY-005 Infrared Transmitter Module
Part2	HC-SR04 Ultrasonic Sensor
Part3	Arduino Uno (Rev3)

Circuit

Movie

YouTube - Controlling Lego Train By Palm

References

[1] HC-SR04 Ultrasonic Sensor

[2] Lego Power Functions Infrared Control for Arduino

Full Explanation Page

https://blog.naver.com/pcmola/221195632598