SparkFun LED Tactile Button Breakout Boards, Buttons/Switches Prototyping You can either drill two

You can either drill two 80mil holes for the support posts

This is a 5V Arduino running the 16MHz bootloader in a super-sleek form factor that will fit easily into your next small project

Stops light coming into the lens at extreme angles and being reflected inside the lens

The DTR pin allows an Arduino target to auto-reset when a new Sketch is downloaded

SparkFun LED Tactile Button Breakout Boards, Buttons/Switches Prototyping You can either drill twoThis simple breakout board makes it easy to use our LED tactile switches in a breadboard, or your next project. Note: Populate the board according to the polarity of the LED on the switch. The markings for the switch are irrelevant and can be reversed. Documents: Schematic Eagle Files GitHub