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MTCH101单通道接近探测器
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The MTCH101 provides an easy way to add proximity or touch detection to any human interface application. The device integrates a single-channel capacitive proximity detection， which can work through plastic， glass or wood-front panel. It also supports a wide range of conductive materials as sensor， like copper pad on PCB， silver or carbon printing on plastic， Indium Tin Oxide （ITO） pad， wire/cable， etc. On-board adjustable sensitivity and power mode selection allow the user to configure the device at run time easily. An active-low output will communicate the state of the sensor to a host/master MCU， or drive an indication LED （see Figure 1-1）.
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