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MPR121 Capacitive Touch Sensor Module – Multi-Key Keyboard & Sensor Keys
MPR121 Capacitive Touch Sensor Module – Multi-Key Keyboard & Sensor Keys
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$8.04 USD
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$8.04 USD
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SPECIFICATIONS
Application: Computer
Brand Name: Si Tai&SH
Condition: New
Dissipation Power: 1
High-concerned chemical: None
Origin: Mainland China
Supply Voltage: 1
Type: Voltage Regulator
is_customized: Yes
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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!
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