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Touch Sensor

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Touch sensor is a device that captures and records the physical touch or hug on the device and / or object.
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Touch sensor

Product introduction

Touch sensor is a device that captures and records the physical touch or hug on the device and / or object. It enables the device or object to detect the touch usually by human users or operators. Touch sensor can also be called touch detector. When touched, the red LED on the board will light up, otherwise it will go out. Touch sensors mainly work when objects or individuals are in physical contact with them. Unlike buttons or other more manual controls, touch sensors are more sensitive and can usually respond to different types of touch in different ways, such as knocking, sliding and squeezing. Touch sensors are used for consumer technology devices, such as smartphones and tablets. The default initial state of the touch sensor is high level, touch is low level, and do not touch is high level. When the on-board "1" and "tog" are short circuited, the high and low level state will be continuously switched after each touch. When the on-board "0" and "tog" are short circuited, the touch is low level, do not touch is high level, which is the same as the default state.


Product parameters

Parameter type Characteristics
Specification 22×30mm
Positioning aperture 3mm
Control signal Digital signal
Working voltage 3.3-5V
Interface 3P
Line sequence G V D
Prompt light Low level power on
IC TTP223
0 And TOG Connect Touch low level, do not touch high level

Single chip microcomputer wiring

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Maker:Touch desk lamp

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