Fahren mit 2 Autos pro Spur

Code:
// AMScontrollerPWM.ino

//

// controls 2x 2 Faller AMS cars in same lane

// using L298N dual H bridge module and 4 (slide) potmeters

//

// ================================= [include libraries ] ==========================================

//  none

// ================================= [global variables ] ==========================================

//

// input pins potmeters

const byte speed6pin =  A0; // speed car 6 ++/--  potmeter

const byte speed1pin =  A1; // speed car 1 ++/--  potmeter

const byte speed2pin =  A2; // speed car 2 ++/--  potmeter

const byte speed3pin =  A3; // speed car 3 ++/--  potmeter

const byte speed4pin =  A4; // speed car 4 ++/--  potmeter

const byte speed5pin =  A5; // speed car 5 ++/--  potmeter

//

// output pins H-bridge 1 (PWM)

const byte car1pin = 11; // lane A, cars 1 & 2

const byte car2pin = 10; 

const byte car3pin = 6;  // lane B, cars 3 & 4

const byte car4pin = 5;

// output pins H-bridge 2 (PWM) 

const byte car5pin = 4;  // lane C, cars 5 & 6

const byte car6pin = 9; 

//

const byte pulsetime = 10;  // pulse length at 50 Hz = 1/50 sec = 0.020 sec = 20 ms = 10 msec +pulse + 10 msec -pulse

//

// =========================== [ set up ]=========================================================================

void setup() {

  pinMode(LED_BUILTIN, OUTPUT);

  digitalWrite (LED_BUILTIN, HIGH);  // built-in LED on

  pinMode(speed1pin,INPUT);  // potmeter speed car 1

  pinMode(speed2pin,INPUT);  // potmeter speed car 2

  pinMode(speed3pin,INPUT);  // potmeter speed car 3

  pinMode(speed4pin,INPUT);  // potmeter speed car 4

  pinMode(speed5pin,INPUT);  // potmeter speed car 5

  pinMode(speed6pin,INPUT);  // potmeter speed car 6

  

  pinMode(car1pin,OUTPUT);   // control of H bridge 1, cars 1..4

  pinMode(car2pin,OUTPUT);   // all pins output

  pinMode(car3pin,OUTPUT);

  pinMode(car4pin,OUTPUT);

  pinMode(car5pin,OUTPUT);   // control of H bridge 2, cars 5,6

  pinMode(car6pin,OUTPUT);

  

  digitalWrite(car1pin,LOW); // all cars stop

  digitalWrite(car2pin,LOW); 

  digitalWrite(car3pin,LOW);

  digitalWrite(car4pin,LOW);

  digitalWrite(car5pin,LOW);

  digitalWrite(car6pin,LOW);

  delay (1000);                     // wait 1 sec

  digitalWrite (LED_BUILTIN, LOW);  // built-in LED off

}

// =========================== [ main ] ==========================================================================

void loop() {

  // ADC value on potmeter speed pin = 0..1023

  // divide by 4 to convert to pulse 0..255 ==> 0..100% duty cycle

  //

  // for '+' cars in lane A, B & C (cars 1, 3 & 5)

  digitalWrite (car1pin,LOW);

  analogWrite  (car2pin,analogRead(speed1pin)/4); // + car 1 in lane A

  digitalWrite (car3pin,LOW);

  analogWrite  (car4pin,analogRead(speed3pin)/4); // + car 1 in lane B

  digitalWrite (car5pin,LOW);

  analogWrite  (car6pin,analogRead(speed5pin)/4); // + car 1 in lane C

  delay (pulsetime); // wait positive halfwave



  // for '-' cars in lane A, B & C (cars 2, 4 & 6)

  digitalWrite (car2pin,LOW);

  analogWrite  (car1pin,analogRead(speed2pin)/4); // - car 2 in lane A

  digitalWrite (car4pin,LOW);

  analogWrite  (car3pin,analogRead(speed4pin)/4); // - car 2 in lane B

  digitalWrite (car6pin,LOW);

  analogWrite  (car5pin,analogRead(speed6pin)/4); // - car 2 in lane C

  delay (pulsetime); // wait negative halfwave

  

} // repeat forever

 

// ==========================[ end main ] ========================================================================