# IR Emitter and Receiver
Use an ESP32-C3 to check if an IR receiver is receiving light from an IR emitter

![Emitter and Receiver](./Picture.png)

## Materials Needed
- Breadboard
- Jumper wires
- IR Emitter (I bought [this one](), the 3mm 940nm version)
- IR Receiver (I bought [this one](), the 3mm version)
- Resistors - 220Ω, 4.7kΩ, 10kΩ. They don't have to have the exact values as listed.

## Resources
- https://www.instructables.com/DIY-Photogate/
- https://tutorials-raspberrypi.com/photoresistor-brightness-light-sensor-with-raspberry-pi/
