Description
Button Pad 2x2 - Breakout PCB - SparkFun COM-09277
This a simple breakout board for the button pads. Each LED and button is brought out to the side connectors. The connectors are soldered to the backside of the PCB. We recommend trimming the connector leads on the button side as short as possible to reduce the deflection of the pad.
These boards now have footprints for diodes! You can use the 1N4148 through-hole diodes to isolate the switches to make for easier decoding.
Schematic:
Guides:
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