· This key switch is the most advanced mechanical keyboard switch with a satisfying click feeling, strong reliability, and conforms to the global gaming and programming keyboard standards.
· The switch is easier to adapt to projects based on breadboard or perforated board.It's great help for making custom keyboards.
· This is a perfect prototype development tool, suitable for single-key user input to a fully customized 101-key keyboard project.
· In addition to disconnecting the switch contacts to the breadboard-compatible header connector, it also provides access to optional switch-mounted LEDs.
· The design of the pins takes into account the keyboard matrix, so you can interconnect any number of boards into a row and column configuration as needed, so that the I/O pin requirements are as low as possible.
size：19.17*19.17MM（0.75''*0.75'' inch） Note：9pcs key switch can be used alone
9pcs* Switch Breakout Prototype PCB Board（not included buttons）