Red Capacitive Touch Keypad Module For I2C Interface 3*4 12 Keys For
funtasica
артикул: 2061357077
СОГЛАСНО НАШИМ ДАННЫМ, ЭТОТ ПРОДУКТ СЕЙЧАС НЕ ДОСТУПЕН
$8.64
Доставка из: США
Описание
Description: The MPR121 capacitive keypad uses the MPR121 and 12 touch sensitive pads to give you a simple keypad with an I2C output The board also has four mounting holes allowing it to be used as an input place of traditional buttons These keypads function by measuring the capacitance of When an object comes close to the measured capacitance changes. This signals the MPR121 that something has touched a button Size:approx.75*50*3mm Package Includes: 1x MPR121 Capacitive Touch Keypad Module Note: This keypad outputs 3.3V If you are using a board which only accepts 5V you will a problem. You to use a level converter or a board which accepts 3.3V
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