# IR gateway
# Compatible parts
| Module | Purpose | Where to Buy |
|---|---|---|
| IR diode | Emitting | compatible parts list (opens new window) |
| IR receiver | Receiving | compatible parts list (opens new window) |
| transistor 2N2222 | Amplify uC signal for the IR diode | - |
| 330 ohms resistor | - | compatible parts list (opens new window) |
| 220 ohms resistor | limit current to LED | compatible parts list (opens new window) |
The IR setup can work with bc547 and a 4x3 LED-Matrix.
# Pinout
| Board | Receiver Pin | Emitter Pin |
|---|---|---|
| ESP8266 | D4 | D0 |
| ESP32 | 27/26 | 14 |
Connect the Emitter and Receiver to a 5V supply source, and the ground of your supply source to the ground of your board.
# ESP8266 Hardware setup
# ESP32 Hardware setup
# Credits
This gateway exists thanks to the work done on IRRemote (opens new window) and IRremoteESP8266 (opens new window) libraries. Thanks for the works of contributors and especially @crankyoldgit (opens new window) for its active contributions.