Introduction: How to Make a Useful Photoreflector for Arduino
This is a how to make a useful photoreflector for Arduino.
Photoreflector is a sensor that is often use for line tracer.
Step 1: Tools
- Soldering iron
- Solder (1.0mm)
Step 2: Materials
- Photoreflector LBR-127HLD, 50JPY
- 180 Registor (180R), about 10JPY
- 10K Registor (10K) about 10JPY
total price 70JPY.
In Japan, same photoreflector is about 550JPY!? ( see POLOLU-2458 )