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Smart Robot Cars
It offers an extended usage time without adding extra weight to your devices
Ordinary small brush
will provide your Raspberry Pi 3
TTP223 Touch Switch Module ( Pack of 25) CD4X IC Series Smart Robot CarsTTP223 Touch Switch Module The TTP223 Touch Key Module is based on a touch sensing IC (TTP223) capacitive touch switch module. A capacitive touch sensor module based on the dedicated TTP223 touch sensor IC. The module provides a single integrated touch sensing area of 11 x 10. 5mm with a sensor range of ~5mm. An onboard LED will give a visual indication of when the sensor is triggered. When triggered the output of the module will switch from its idle