Introduction - If you have any usage issues, please Google them yourself
1. Test preparation programs: INT0 external interrupt. P1 port connected 8 LED, 4 in groups, alternating light off, when the INT0 low pulse occurs, the response disruption, showing water light effects. 2. Test preparation programs: T0 counter interrupt. P1 port connected 8 LED, 4 in groups, alternating light off, when the count of 3 times T0, response interruption, water light show effects. 3. Test preparation programs: T0 timer interrupt. P1 port connected 8 LED, 4 in groups, alternating light off, 3 seconds when the T0 timer interrupt timer, display light water effects.