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* IRremoteESP8266: IRsendDemo - demonstrates sending IR codes with IRsend
* Version 0.1 June, 2015
* Based on Ken Shirriff's IrsendDemo Version 0.1 July, 2009, Copyright 2009 Ken Shirriff,
* JVC and Panasonic protocol added by Kristian Lauszus (Thanks to zenwheel and other people at the original blog post)
* An IR LED circuit *MUST* be connected to the ESP8266 on a pin
* as specified by kIrLed below.
* TL;DR: The IR LED needs to be driven by a transistor for a good result.
* Suggested circuit:
* Common mistakes & tips:
* * Don't just connect the IR LED directly to the pin, it won't
* have enough current to drive the IR LED effectively.
* * Make sure you have the IR LED polarity correct.
* See:
* * Typical digital camera/phones can be used to see if the IR LED is flashed.
* Replace the IR LED with a normal LED if you don't have a digital camera
* when debugging.
* * Avoid using the following pins unless you really know what you are doing:
* * Pin 0/D3: Can interfere with the boot/program mode & support circuits.
* * Pin 1/TX/TXD0: Any serial transmissions from the ESP8266 will interfere.
* * Pin 3/RX/RXD0: Any serial transmissions to the ESP8266 will interfere.
* * ESP-01 modules are tricky. We suggest you use a module with more GPIOs
* for your first time. e.g. ESP-12 etc.
#ifndef UNIT_TEST
#include <Arduino.h>
#include <IRremoteESP8266.h>
#include <IRsend.h>
const uint16_t kPanasonicAddress = 0x4004; // Panasonic address (Pre data)
const uint32_t kPanasonicPower = 0x100BCBD; // Panasonic Power button
const uint16_t kJVCPower = 0xC5E8;
const uint16_t kIrLed = 4; // ESP8266 GPIO pin to use. Recommended: 4 (D2).
IRsend irsend(kIrLed); // Set the GPIO to be used to sending the message.
void setup() {
void loop() {
// This should turn your TV on and off
irsend.sendPanasonic(kPanasonicAddress, kPanasonicPower);
Serial.println("Can't send because SEND_PANASONIC has been disabled.");
irsend.sendJVC(kJVCPower, 16, 1); // hex value, 16 bits, single repeat
#else // SEND_JVC
Serial.println("Can't send because SEND_JVC has been disabled.");
#endif // SEND_JVC
delay(10000); // Wait 10 seconds before we repeat everything.
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