Touch Switch Circuit diagram - Simple Electronic Project
Introduction
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Diagram of Capacitive Touch Switch Circuit diagram
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Components Needed for this Project:
You can get the components from any of the sites below:
- 5 Pin Relay [See Buy Click Amazon]
- TTP223 Capacitive Touch Switch [See Buy Click Amazon]
- BC547 Transistor [See Buy Click Amazon]
- 33k Ohm Resistor [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!
Related Basic Electronic Mini Project Circuit Diagram:
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Working Principle
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Frequently asked questions
The TTP223 Touch Sensor module works based on capacitive technology. When one touch is detected the module produces the output voltage through the I/O Pin of the module.
A capacitive touch sensor module based on the dedicated TTP223 touch sensor IC was used. The module provides a single integrated touch sensing area of 11 x 10.5mm with a sensor range of ~5mm touch system.
The operating voltage of the TTP223 IC is from the 2V to 5.5V and the power supply consumption of the touch sensor is very low.
Their working principle is not different than that of a switch. When you will touch them, or they will detect some pressure, it will trigger the sensor, and it will perform just as a closed switch.
A capacitive switch is a type of touch-controlled electrical switch that operates by measuring changes in capacitance.
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