MPR121 capacitive touch sensor module sensor keys keyboard keys for
MPR121
$14.85
Sale price
$14.85
Regular price
$0.00
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MPR121 capacitive touch sensor module sensor keys keyboard keys for
$14.85
Sale price
$14.85
Regular price
$0.00
Description
SPECIFICATIONS
Application: Computer
Brand Name: Si Tai&SH
Choice: yes
Condition: New
Dissipation Power: 1
High-concerned chemical: none
Model Number: MPR121
Origin: Mainland China
Package: DIY module
Supply Voltage: 1
Type: Module
is_customized: Yes
Warm prompt: Dear buyer, Our cheapest transportation services Economic category logistics (SunYou Economic Air Mail ,China Post Ordinary Small Packet Plus ) can be traced only befor it arrive your country,please choose Standard category logistics if you want a full tracking info.
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!
Free Shipping Over $199
- Standard Shipping: Standard Shipping (12–18 Business Days)
- Express Shipping: Expedited Shipping (5–9 Business Days)
- Free Shipping: Orders over $199 qualify automatically
- Tracking: Full tracking number provided for all orders
30-Day Return Policy
- Returns: 30-day hassle-free return window
- Condition: Items must be unused and in original packaging
- Refund: Full refund processed within 3-5 business days
Why Choose Us?
- Factory Direct: ISO/TS 16949 certified manufacturer
- Quality: 100% electrical continuity tested before shipment
- Experience: 15+ years in automotive connector industry
- Support: Professional technical support available
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