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9-bit capacitive touchpad MPR121

Varenummer:149-590
Varekode:OKY3424
Vægt:50.0g
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Internet-pris
Inkl. moms
Kr. 99,00

OKY3424 9-bit capacitive touchpad MPR121OKY3424 9-bit capacitive touchpad MPR121OKY3424 9-bit capacitive touchpad MPR121OKY3424 9-bit capacitive touchpad MPR121OKY3424 9-bit capacitive touchpad MPR121

9-bit capacitive touchpad MPR121

The module uses MPR121 touch control chip, the chip can have up to 12 touch points, which can also be one of the eight touch points set to LED driver, the chip uses 1.71 V to 3.6 V power supply, 16ms sampling period only 29uA current, when the external trigger input, the chip to interrupt the way and I2C to notify the external device, the use of very wide, can be used as computer peripherals, MP3 players, remote control, lighting control and mobile phone

Description:

Turns the MPR121 Touchpad into a phone keypad. Pressing a pad will

print a 0-9, * or #.

Hardware: 3.3V Arduino Pro Mini

SDA -> A4

SCL -> A5

IRQ -> D2

I2C code from an ATmega328 library to get this working.


Varer i kategorien "Byggesæt og moduler" skal som udgangspunkt betragtes som komponenter til hobbybrug, og ikke et færdigt produkt! - de er dermed ikke CE-mærkede.