Hi all, I’m connecting 4 MPR121 ( https://www.sparkfun.com/products/9695 ) chips to an Arduino Mega. My schematic is fairly straight forward: The 4 are going to a breadboard. Breadboard is going to Arduino. PWR > 3.3v GND > GND SDA > Digital 20 SCL > Digital 21 IRQ > Sensor 1 - Digital 2 Senso…

Cutting solder pads on chip

system May 17, 2014, 3:30pm 3

Chagrin,

Thank you so much. I'm ready to get work.

Much appreciated.