Ir Proximity Sensor Touchless Door Bell Project Report

Out output pin active high working. The circuit consists of an ultrasonic transmitter and receiver modules are used to detect the person. In a proximity sensor an ir led and a photodiode is used to find a obstacles.

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Step By Step Process Of How To Make Wireless Doorbell Using Arduino Circuit Diagram Required Components Code And Arduino Wireless Arduino Wireless Doorbell

Step By Step Process Of How To Make Wireless Doorbell Using Arduino Circuit Diagram Required Components Code And Arduino Wireless Arduino Wireless Doorbell

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