OpenLight_DM4DS_v1_1-Channel_PMW.ino

// OpenLight (GPL v3) + no commercial use without permission! Free to modify but you have to name me in your project.
// share alike / this is also for the 3D Printed parts, not only the arduino code. Thanks and enjoy it!
//
// I am sure this will be updated from time to time, so come back for the updates.

// The/a free programmable UniLight (Copyright by https://www.unilight.at/) and modifyable for your needs! Open Source. 
// to realise Light schemes to your vehicle - plane - truck - crawler - boot - etc.
// it is based on Arduino (https://www.arduino.cc/) - in my case I use a Arduino Micro 5V
// to power it straight from the 5V Servo port of my Receiver. Just plug it in and the arduino
// is doing its job.
//
//
// How does it work:
// On the "PWMInput1" Pin (in my case D9) the PWM from the receiver is read
// with a following IF the position of your source / switch is detected and translated in
// a specific blink scheme / perma light if you want (but look for the heat if you are using high power LED).
//
// In the example:
// full low < 1200 uS = no light at all
// mid range >1200 <1600 = slow blinking
// high range >1600 = fast blinking
// /feel free to express yourself in building your own blink schemes by adjusting the timings.
//
// while the LED´s generating a lot of heat if the are turned on for long time, I only switch them on
// for 10 mS! That is enough to get the needed flash and stay cool, but feel free to modify it for your needs!
// In the example only LED1 Pin 3 is connected as output to a MosFET Board, but I already defined 4 / 5 also if you need them
// copy & paste the code and change the LED1 to LED2 / LED3.
// 
// As I said, I use a 5V Arduino Micro, so I can connect it straight to a free RX channel for the PWM Signal + 5V to power
// the Arduino. Win win :)
// no special lybraries are needed, so it should be fine to use "almost" any Arduino you have laying around. Try it.
// 
// watch in the serial monitor/plotter your RX input. If there is nothing detected, it can´t work.
// I had the case that with a cheap SERVO TESTER it was not working, but with a actuall RX it is always 100% working!
// So I looked with the oscilloscope on the PWM of the Servo tester and omg, that was distorted and no wonder it was not working.
// Keep that in mind, if you maybe test on the bench.
//
// now - let´s blink :)
// DM4DS - Sandor
//


int LED1 = 3;       			// that´s the one output I´m using and is configured to blink as above described
// int LED2 = 4;				// alternative outputs if you wanna usw it for more unique lighting / uncomment - 
// int LED3 = 5;				// copy & paste the IF /digitalwrite line + insert LED2/3 instead of LED1
int PWMInput1 = 9;				// PWM Input from the Receiver


void setup() {
  pinMode(LED1, OUTPUT);		// define LED1 Pin as output
//  pinMode(LED2, OUTPUT);		// uncomment if needed
//  pinMode(LED3, OUTPUT);		//        "
  pinMode(PWMInput1, INPUT);	// PWMINput1 defined as input from the RX - if you need more inputs, feel free to define more
  Serial.begin(115200);			// Serial Monitor / Plotter setting
}

void loop() {							// here the magic happens
 
int pwm1 = pulseIn(PWMInput1, HIGH);
  Serial.println(pwm1);					// Serial Monitor / Plotter Output
  if(pwm1 < 1199)						// If the stick / switch is under 1200 (low) do "no blinking"
  {
    Serial.print(PWMInput1);

  digitalWrite(LED1, LOW);   
  delay(250);             

  digitalWrite(LED1, LOW);   
  delay(500);             

  }
  else
  {
    Serial.print(PWMInput1);
  }

  if(pwm1 > 1801)						// if the stick / switch is over 1800 (full up/on) fast blinking
  {
    Serial.print(PWMInput1);

  digitalWrite(LED1, HIGH);  
  delay(10);              
  digitalWrite(LED1, LOW);   			// fast blinking while the pause between the blinks is shorten than in the last case
  delay(150);             
  
  digitalWrite(LED1, HIGH);  
  delay(10);              
  digitalWrite(LED1, LOW);   			// half a second break before it starts again with fast blinking
  delay(500);             

  }
  else
  {
    Serial.print(PWMInput1);
  }
  if((pwm1 < 1800)&&(pwm1 > 1200))		// if the stick / switch is in the middle (>1200<1800) blink slower
  {
    Serial.print(PWMInput1);

  digitalWrite(LED1, HIGH);  
  delay(10);              
  digitalWrite(LED1, LOW);   			// blink slower while th pause is longer before the next "high" / blink is initiated
  delay(500);             

  
  digitalWrite(LED1, HIGH);  
  delay(10);              
  digitalWrite(LED1, LOW);   			// wait 1second before it starts again
  delay(1000);             

  }
  else
  {
    Serial.print(PWMInput1);
  }

}

// Feel free to modify it and share it with us.
// There will be over time different hardware stuff and
// 3D printed case linked / uploaded while I building several OpenLight for my Clubmates.
// Thanks for sharing and commenting if you need somehting and not able to do it on your own.
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