Lasko fan sketch, see https://github.com/z3t0/Arduino-IRremote/issues/692

lasko-fan.ino

// This Arduino sketch was automatically generated by IrScrutinizer.

// It supports:
//
// * IRremote https://github.com/z3t0/Arduino-IRremote
//            http://z3t0.github.io/Arduino-IRremote/
// * IRLib    https://github.com/cyborg5/IRLib
// * Infrared4Arduino https://github.com/bengtmartensson/Infrared4Arduino,
//                    http://www.harctoolbox.org/Infrared4Arduino.html

// For problems, bugs, and suggestions, please open an issue at
// https://github.com/bengtmartensson/IrScrutinizer/issues

// This file contains C identifiers which have been translated from command names.

// Define exactly one of these
#define IRREMOTE
// #define IRLIB
// #define INFRARED4ARDUINO

/////////////////////////////////////////////////////
// Sanity check
#if defined(IRREMOTE) & ( defined(IRLIB) | defined(INFRARED4ARDUINO) )
#error Must define only one of IRREMOTE, IRLIB, or INFRARED4ARDUINO
#endif

#if defined(IRLIB) & ( defined(IRREMOTE) | defined(INFRARED4ARDUINO) )
#error Must define only one of IRREMOTE, IRLIB, or INFRARED4ARDUINO
#endif

#if defined(INFRARED4ARDUINO) & ( defined(IRLIB) | defined(IRREMOTE) )
#error Must define only one of IRREMOTE, IRLIB, or INFRARED4ARDUINO
#endif

#ifdef IRREMOTE
#include <IRremote.h>
#elif defined(IRLIB)
#include <IRLib.h>
#define sendRaw send
#elif defined(INFRARED4ARDUINO)
#include <IrSenderPwm.h>
#else
#error Must defined one of IRREMOTE, IRLIB, or INFRARED4ARDUINO
#endif

#if defined(IRREMOTE) | defined(IRLIB)
typedef uint16_t microseconds_t; // Change if desired
typedef uint16_t frequency_t;    // Change if desired

static inline unsigned hz2khz(frequency_t f) { return f/1000U; }
#endif

// Constants
static const long BAUD = 115200UL; // Change if desired

// Global variables
#ifdef IRREMOTE
IRsend irsend;
#elif defined(IRLIB)
IRsendRaw irsend;
#else
IrSender *irsend = IrSenderPwm::getInstance(true);
#endif


// Command #1: first
// Protocol: f12_relaxed, Parameters: S=1 D=3 F=129
const microseconds_t repeat_first[] PROGMEM = { 1266U, 422U, 1266U, 422U, 422U, 1266U, 1266U, 422U, 1266U, 422U, 422U, 1266U, 422U, 1266U, 422U, 1266U, 422U, 1266U, 422U, 1266U, 422U, 1266U, 1266U, 34182 };

// Command #2: second
// Protocol: f12_relaxed, Parameters: S=1 D=3 F=65
const microseconds_t repeat_second[] PROGMEM = { 1266U, 422U, 1266U, 422U, 422U, 1266U, 1266U, 422U, 1266U, 422U, 422U, 1266U, 422U, 1266U, 422U, 1266U, 422U, 1266U, 422U, 1266U, 1266U, 422U, 422U, 35026 };

// Command #3: third
// Protocol: f12_relaxed, Parameters: S=1 D=3 F=9
const microseconds_t repeat_third[] PROGMEM = { 1266U, 422U, 1266U, 422U, 422U, 1266U, 1266U, 422U, 1266U, 422U, 422U, 1266U, 422U, 1266U, 1266U, 422U, 422U, 1266U, 422U, 1266U, 422U, 1266U, 422U, 35026 };

// Command #4: forth
// Protocol: f12_relaxed, Parameters: S=1 D=3 F=17
const microseconds_t repeat_forth[] PROGMEM = { 1266U, 422U, 1266U, 422U, 422U, 1266U, 1266U, 422U, 1266U, 422U, 422U, 1266U, 422U, 1266U, 422U, 1266U, 1266U, 422U, 422U, 1266U, 422U, 1266U, 422U, 35026 };


static void sendRaw(const microseconds_t intro_P[], size_t lengthIntro, const microseconds_t repeat_P[],
             size_t lengthRepeat, frequency_t frequency, unsigned times) {
    microseconds_t intro[lengthIntro];
    microseconds_t repeat[lengthRepeat];
    memcpy_PF(intro, (uint_farptr_t) intro_P, sizeof(microseconds_t) * lengthIntro);
    memcpy_PF(repeat, (uint_farptr_t) repeat_P, sizeof(microseconds_t) * lengthRepeat);

#if defined(IRREMOTE) | defined(IRLIB)
    if (lengthIntro > 0U)
        irsend.sendRaw(intro, lengthIntro, hz2khz(frequency));
    if (lengthRepeat > 0U)
        for (unsigned i = 0U; i < times - (lengthIntro > 0U); i++)
            irsend.sendRaw(repeat, lengthRepeat, hz2khz(frequency));
#else // INFRARED4ARDUINO
    IrSignal irSignal(intro, lengthIntro, repeat, lengthRepeat, NULL, 0U, frequency);
    irsend->sendIrSignal(irSignal, times);
#endif
}

void setup() {
    Serial.begin(BAUD);
    Serial.setTimeout(60000UL);
}

// A pretty silly main loop; just intended as an example.
void loop() {
    Serial.println(F("Enter number of signal to send (1 .. 4)"));
    long commandno = Serial.parseInt();
    Serial.println(F("Enter number of times to send it"));
    long times = Serial.parseInt();
    switch (commandno) {
    case 1U:
        sendRaw(NULL, 0U, repeat_first, 24U, 37900U, times);
        break;
    case 2U:
        sendRaw(NULL, 0U, repeat_second, 24U, 37900U, times);
        break;
    case 3U:
        sendRaw(NULL, 0U, repeat_third, 24U, 37900U, times);
        break;
    case 4U:
        sendRaw(NULL, 0U, repeat_forth, 24U, 37900U, times);
        break;
    default:
        Serial.println(F("Invalid number entered, try again"));
        break;
    }
}