SparkFun Metal Pushbutton - Latching (16mm, Green) Buttons/Switches Hubs/Clamps It has connections for a

It has connections for a Lithium Polymer battery and includes a charge circuit over USB

Single and dual zone versions

These are a longer version of our standard break away headers

The LM1117 uses the same pin-out and setup as the popular LM317 adjustable regulator

SparkFun Metal Pushbutton - Latching (16mm, Green) Buttons/Switches Hubs/Clamps It has connections for aThis is a perfect choice if you are in need of a heavy duty push button! These metal push buttons are a very tough, small, panel mount latching switch with an illuminated green LED ring. It is a SPDT with 16mm threading and 1mm pitch. This button is perfect for basic On Off functions. Overall length (including leads) is 1. 5" and has small solder lugs for connection. These latched buttons are rated up to 3A and 250VAC while the LED is rated for 5 12V.