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Automated Door Opener With Lighting Control Using Raspberry Pi

What is Needed?

CD Drive
Relay 5V
Light
Fan
PIR Sensor
Jumpers
HowDIY

BLOCK DIAGRAM

Procedure

  1. Components
  2. Connection
  3. Process

Procedure

CD Drive

The CD drive shines a laser at the surface of the CD and can detect the reflective areas and the bumps by the amount of laser light they reflect. The drive converts the reflections into 1s and 0s to read digital data from the disc.

5V Relay

A relay is an electromagnetic switch operated by a relatively small electric current that can turn on or off a much larger electric current.

LED

A LED or Light Emitting Diode is a Semiconductor  two terminal(Pin) component, the two terminals are (+)Positive and (-)Negative. The voltage is applied to positive terminal and negative terminal should be ground light is emitted. Here we are using 12V LED so the maximum Voltage for positive terminal is 12V and minimum is 3V. If we use anything above 12V the LED will get short circuit.

DC motor

The DC motor is a machine that transforms electric energy into mechanical energy in form of rotation.

PIR Sensor

A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. … They work entirely by detecting infrared radiation (radiant heat) emitted by or reflected from objects.

9V Baterry

A battery is a device consisting of one or more electrochemical cells with external connections for powering electrical devices such as flashlights, mobile phones, and electric cars.

Connection Diagram

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