// the setup function runs once when you press reset or power the board
void setup() {
// initialize digital pin LED_BUILTIN as an output.
pinMode(D1, INPUT);
pinMode(26, OUTPUT);
digitalWrite(26, HIGH);
pinMode(D7, OUTPUT);
digitalWrite(26, HIGH);
pinMode(D6, OUTPUT);
digitalWrite(26, HIGH);
}
// the loop function runs over and over again forever
void loop() {
digitalWrite(26, digitalRead(D1)); // turn the LED on (HIGH is the voltage level)
digitalWrite(D6, HIGH); // turn the LED on (HIGH is the voltage level)
digitalWrite(D7, HIGH); // turn the LED on (HIGH is the voltage level)
delay(1000); // wait for a second
digitalWrite(26, LOW); // turn the LED off by making the voltage LOW
digitalWrite(D6, LOW); // turn the LED off by making the voltage LOW
digitalWrite(D7, LOW); // turn the LED off by making the voltage LOW
delay(1000);
}