Code:
/*
* SimpleReceiver.cpp
*
* Demonstrates receiving ONLY NEC protocol IR codes with IRremote
* If no protocol is defined, all protocols (except Bang&Olufsen) are active.
*
* This file is part of Arduino-IRremote https://github.com/Arduino-IRremote/Arduino-IRremote.
*
************************************************************************************
* MIT License
*
* Copyright (c) 2020-2025 Armin Joachimsmeyer
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is furnished
* to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
************************************************************************************
*/
#include <Arduino.h>
#include <IRremote.hpp> // include the library
uint8_t receiver_pin = 17;
void setup() {
Serial.begin(115200);
IrReceiver.begin(receiver_pin, false);
}
void loop() {
if (IrReceiver.decode()) {
Serial.println("recv data");
if (IrReceiver.decodedIRData.protocol == UNKNOWN) {
Serial.println(F("Received noise or an unknown (or not yet enabled) protocol"));
// We have an unknown protocol here, print extended info
IrReceiver.printIRResultRawFormatted(&Serial, true);
IrReceiver.resume(); // Do it here, to preserve raw data for printing with printIRResultRawFormatted()
} else {
IrReceiver.resume(); // Early enable receiving of the next IR frame
IrReceiver.printIRResultShort(&Serial);
IrReceiver.printIRSendUsage(&Serial);
}
} else {
// Serial.println("no data");
}
}
A2V3 - Schematic
![[Image: AIO-Hybrid-1.jpg]](https://www.kincony.com/images/AIO-hybrid/AIO-Hybrid-1.jpg)
![[Image: AIO-Hybrid-2.jpg]](https://www.kincony.com/images/AIO-hybrid/AIO-Hybrid-2.jpg)
![[Image: AIO-Hybrid_diagram.jpg]](https://www.kincony.com/images/AIO-hybrid/AIO-Hybrid_diagram.jpg)
