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MPR121 kapacitív érintésérzékelő modul érzékelő billentyűk billentyűzet billentyűi
MPR121 capacitive touch sensor module sensor keys keyboard keys for
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MPR121 Keypad Example Phone Dialing Code
by: Jim Lindblom
SparkFun Electronics
created on: 1/6/10
license: CC-SA 3.0
Turns the MPR121 Touchpad into a phone keypad. Pressing a pad will
print a 0-9, * or #.
Hardware: 3.3V Pro Mini
SDA -> A4
SCL -> A5
IRQ -> D2
I wasn’t having any luck using the Wire.h library, so I’ve adapted
I2C code from an ATmega328 library to get this working.
If you can get this working with the Wire.h library, I’d be thrilled to hear!
32701532718 – simplerob
