Now upload the sketch to the 328 chip ,as usual, using Arduino IDE; Remove the chip and insert it into your circuit board’s IC socket; Ready, Set and GO! Note: Pin D9 on the Arduino is not the same ...

You can use an external one or use the one soldered on the board (pin 13). Turn ON an LED Sketch This is a very simple arduino project where a led is turned on by setting the pin 13 as output, then ...

Running out of GPIO pins? Learn how to connect multiple buttons to just one Arduino pin using clever wiring and resistor ...