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CJMCU 122 Capacitive Touch Keypad Module Header Pins:Without Soldered Pins 3x8 5V 24 LEDs Processor Quad core Arm 3x8 5V 24 LEDs Fine workmanship and durable 75 * 50 * 3mm The MPR121 capacitive keyboard uses the MPR121 and 12 touch sensitive pads to give a simple 'keyboard' with an output i2C The card also has four mounting holes that allows it to be used as an input system in place of the traditional buttons These keyboards function to measure the capacity of twelve points When an object approaches for the connector
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US$ 175.00
US$ 120.00
US$ 175.00