Contactless Doorbell

Transform your doorbell, in these covid times!!!!

Jun 10, 2021

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Components and supplies

1

Ultrasonic Sensor - HC-SR04 (Generic)

1

LED (generic)

1

9V battery (generic)

1

Arduino UNO

1

SG90 Micro-servo motor

1

Switch Actuator, Head for spring return push-button

1

Jumper wires (generic)

Tools and machines

1

Soldering iron (generic)

1

Mastech MS8217 Autorange Digital Multimeter

Apps and platforms

1

Arduino IDE

Project description

Code

Contactless Doorbell

c_cpp

Contactless Doorbell

c_cpp

Downloadable files

Circuit Diagram

Circuit Diagram

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