How to make a Touch Switch / Touch Sensor Circuit On Breadboard |Easy electronics project with bc547

This simple circuit allows you to turn on an LED with just the touch of your finger! Today I am going to make a simple touch sensor using the transistor BC547. There is nothing complicated about this circuit and it is very interesting.

To make this circuit, we will need the following components:

1. Transistor BC547
2. 470 ohm Resistor
3. LED
4. Connecting Wires

The circuit is very simple to build. First, we need to connect the collector of the transistor to the 470 Ohm resistor. We also need to connect the base of the transistor to the Copper wire (Touch Pad 1) also connect another touch pad to the positive terminal of the 9v battery. The other end of the resistor should be connected to the LED Negative terminal. and , we need to connect the emitter of the transistor to the power supply (9v) Negative terminal. finally, connect the LED Positive terminal to the 9v battery positive terminal . When you touch the base of the transistor with your finger, the circuit will be completed and the LED will light up.

This circuit is very useful and can be used in many applications. For example, you can use this circuit to make a doorbell or a touch switch.

This circuit is also very easy to make and requires few components. So, why don’t you give it a try and make your own touch sensor?
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Circuit: https://eleobo.com/touch-switch-circu...
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⚠️ WARNING: This video is for demonstration and educational purpose only. Some ideas And Experiment can be risky & Dangerous Must be fully understood before attempting. Even those videos are completed with all safety measures in place. This should only be done by professionals
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