1. Design content
Specific functions:
1. Press the emergency alarm button, the emergency alarm light flashes, and the buzzer alarms;
2. Press the arm button, the arm indicator light starts to flash, blinking for about 30 seconds, stays on, and enters the arm mode;
3 , Press the cancel alarm/arm button to cancel the arm and emergency alarm functions.
2. Simulation diagram
The data includes simulation schematics and programs, perfect simulation: https://www.cirmall.com/circuit/19628
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