Test af ESP8266 interface til 2x motor via L293

Blink-Motor-2.c

uint8_t Pwm1 = 5; //Nodemcu PWM pin 
uint8_t Pwm2 = 4; //Nodemcu PWM pin
//Seven segment pins attachecd with nodemcu pins  
int a0 = 15;  //Gpio-15 of nodemcu esp8266  
int a1 = 13;  //Gpio-13 of nodemcu esp8266    
int a2 = 12;  //Gpio-12 of nodemcu esp8266   
int a3 = 14;  //Gpio-14 of nodemcu esp8266   

void setup() {
//  pinMode(LED_BUILTIN, OUTPUT);

  pinMode(a0, OUTPUT);     
  pinMode(a1, OUTPUT);     
  pinMode(a2, OUTPUT);
  pinMode(a3, OUTPUT);
  delay(10000);
}

// the loop function runs over and over again forever
void loop() {
  digitalWrite(a0, LOW);
  digitalWrite(a1, HIGH);
  digitalWrite(a2, HIGH);
  digitalWrite(a3, LOW);
  analogWrite(Pwm1, 150);
  analogWrite(Pwm2, 150);
  delay(2000);

  digitalWrite(a0, LOW);
  digitalWrite(a1, LOW);
  digitalWrite(a2, LOW);
  digitalWrite(a3, LOW);
  delay(1000);

  digitalWrite(a0, HIGH);
  digitalWrite(a1, LOW);
  digitalWrite(a2, HIGH);
  digitalWrite(a3, LOW);
  delay(1000);
  
}