Description: Four LEDs sharing the same ground pin with one resistor light up in a row one by one with the Nerdonic Exen Mini.
Supplies:
1 – Breadboard 400 Points
1 – Nerdonic Exen Mini
4 – LED
1 – 220 Ohm Resistor
Arduino Code:
#define led1 A1 #define led2 A2 #define led3 A3 #define led4 A4 void setup() { pinMode(led1, OUTPUT); pinMode(led2, OUTPUT); pinMode(led3, OUTPUT); pinMode(led4, OUTPUT); } void loop() { digitalWrite(led1, HIGH); digitalWrite(led2, LOW); digitalWrite(led3, LOW); digitalWrite(led4, LOW); delay(150); digitalWrite(led1, LOW); digitalWrite(led2, HIGH); delay(150); digitalWrite(led2, LOW); digitalWrite(led3, HIGH); delay(150); digitalWrite(led3, LOW); digitalWrite(led4, HIGH); delay(150); }