"Simple electronic circuit diagram showing an IR sensor connected to an AND gate (IC 7408) input A, a door switch connected to input B of the AND gate, and the output connected to a buzzer or LED. Include labels for 'IR Sensor', 'Door Switch', 'AND Gate', and 'Buzzer/LED'. The circuit is on a breadboard with connecting wires, drawn in a clear, easy-to-understand style suitable for a student electronics project Ver mais