Lesson 15 Controlling an LED by Touch Button
Introduction
The Touch Button Module is a touch switch module developed based on the principle of
capacitive sensing. Touch of human or metal onto the gilded touch surface can be sensed.
Besides, it can also detect other such touch with certain materials like plastic and glass
between. The sensitivity in these cases depends on the touched area and thickness of the
material between the touch pad and human or metal. The module can be conveniently
used to replace physical buttons.
Components
- 1 * Raspberry Pi
- 1 * GPIO Extension Board
- 1 * 40-Pin GPIO Cable
- 1 * Breadboard
- 1 * Touch Button Module
- 1 * LED Module
- 2 * 3-Pin Wires
Experimental Principle
The Fritzing image:
The Physical picture:
Pin definition:
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