Flashes A4 four times, and A5 five times, with the D13 led slowly flashing as confirmation that something is happening.
Code: Select all
// Identify transposed A4 & A5 connections, flash A4 4x and A5 5x continuously.
void setup() {
pinMode(A4, OUTPUT);
pinMode(A5, OUTPUT);
pinMode(13, OUTPUT);
}
void loop() {
digitalWrite(13, HIGH); // turn the LED on
for (int i=0; i<4; ++i) {digitalWrite(A4, HIGH); delay(200); digitalWrite(A4, LOW); delay(200);}
digitalWrite(13, LOW); // turn the LED off
for (int i=0; i<5; ++i) {digitalWrite(A5, HIGH); delay(200); digitalWrite(A5, LOW); delay(200);}
}