Alarm with sensor and relay:

This diagram shows how to make an Alarm with sensor and relay. In this circuit, we use two DP MCBs ( Double Pole Miniature Circuit Breaker ), an RCCB ( Residual Current Circuit breaker), a relay, a light, and a wire sensor. This circuit is very simple and easy to make. if you want to know more about this circuit please check our youtube video belwo the post. Stay with our website for more updates.

Diagram of Alarm with sensor and relay:

Alarm with sensor and relay

Components needed For this Project:

You can get the components from any of the sites below:

  1. DP MCB [See Buy Click Amazon]
  2. RCCB [See Buy Click Amazon]
  3. Relay [See Buy Click Amazon]
  4. CFL Light[See Buy Click Amazon]
  5. Wire Sensor [See Buy Click Amazon]

*Please note: These are affiliate links. I may make a commission if you buy the components through these links. I would appreciate your support in this way!

Components used to make the alarm with sensor and relay:

01. DP MCB:

DP MCB In Two Pole MCB, switching & protection is affected in phases and the neutral. A Double Pole or DP Switch is a Switch that Controls two Circuits at the same time. In terms of Residential Switching, this Normally means it Switches the live and Neutral at the same time. In Layperson Terms, Double Pole switches or DP Switches are Exclusively Designed to Control two Different Electrical Circuits at the same time, which allows the Appliances to Isolate in a safe and reliable manner. Fan or light Combinations and Medical Equipment are some of the many applications for DP Electrical Switches.

02. RCCB:

The Residual Current Circuit breaker RCCB is the Safest device to detect and Trip against Electrical Leakage current, thus Ensuring Protection against Electric shock Caused by indirect contact. Circuit breakers are automatically Operated Electrical Switches that Protect Electrical Circuits from Short-Circuiting or Overloading. It Protects against many major accidents. RCCB Circuit Breaker is an Electrical Wiring device whose function is to disconnect the current in the circuit.

03. Relay:

The most popular relay for automation work is the 8 Pin Relay. 8 pin relay has DC or AC coil as the main part. which is connected to two pins. There are two common parts. Underneath a Common part are an NO and an NC part. No part is normally open with a common part and the NC part is normally closed. The timer base used for automation is the same as the 8-relay base. That is, switching can be done using the timer base. This is basically how a relay switch works.

04. CFL Light:

CFL stands for Compact Fluorescent Lamp which is an improved version of tube lights of earlier days. Like tube lights, it is a vacuum glass tube with fluorescent powder coating which is not as long and straight as tube lights but curved/twisted compact, or small in size. Like a tube light, it has electrodes or filaments at both ends. But in this case, instead of a choke, there is an electronic circuit that drives the Compact Fluorescent Lamp. Because the red wave is less in the light of the Tubelight and Compact Fluorescent Lamp, the object looks a little pale or the correct color of the object does not appear.

05. NPN Sensor:

Negative-Positive-Negative (NPN) Proximity Sensors Provide an Active LOW Output. This Means That When an Object Enters the Detecting range of the sensor, the output of the sensor is connected to the ground. This type of sensor is also known as the ‘Sinking’ sensor. Negative-Positive-Negative and PNP stand for Positive-Negative-Positive Transistors. Negative-Positive-Negative (NPN) Transistor is Powered on When Enough Current is Supplied From the Transistor base to the Emitter.

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