Micro Switch w/Roller Lever - Three Terminal : ID 819 : $1 ...
Adafruit Industries, Unique & fun DIY electronics and kits Micro Switch w/Roller Lever - Three Terminal : ID 819 - Micro-switches are often found in arcade buttons and joysticks but they're also really handy in any kind of mechatronics project or when you need a basic sensor. They are always 'tactile' (clicky feeling), and 'momentary' (the switch closes when pressed, then snaps open ...