Session 2 - LED Blink and Stopwatch Examples
LED Blink Breadboard Layout
Source Code
Next, create a stopwatch script. When the user presses a button, a timer should be started and the LED turned on. When the button is pushed again, the timer should be stopped and the LED turned off. Finally, the amount of time between button presses should be printed. The pushbutton should be connected to GPIO Pin 4 as shown below. Don't forget the 10k pullup resistor!