char led_red = 23;
char led_yellow = 19;
char led_green = 18;
char pb_blue = 25;
char pb_green = 27;
void setup() {
// put your setup code here, to run once:
pinMode(led_red, OUTPUT);
pinMode(led_yellow, OUTPUT);
pinMode(led_green, OUTPUT);
pinMode(pb_blue, INPUT);
pinMode(pb_green, INPUT);
Serial.begin(115200);
}
void loop() {
// put your main code here, to run repeatedly:
// Read pin 25 (blue pb) and print out the value
char val_pb_blue;
val_pb_blue = digitalRead(pb_blue);
Serial.print("Blue PB = "); Serial.println(val_pb_blue, DEC);
}