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Cherry MX Keyswitches are top-of-the-line mechanical keyboard switches. They’re satisfyingly “clicky”, reliable up to tens-of-millions of key presses, ...

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Cherry MX Keyswitches are top-of-the-line mechanical keyboard switches. They’re satisfyingly “clicky”, reliable up to tens-of-millions of key presses, and a standard in gaming and programming keyboards across the globe. With the SparkFun Cherry MX Switch Breakout we have made the switches more easily adaptable to breadboard or perfboard-based projects. The Cherry MX Switch Breakout is a perfect prototyping tool for projects ranging from a single-key user-input to fully-custom 101-key keyboards.

In addition to breaking out the switch contacts to breadboard-compatible headers, the Cherry MX Switch Breakout also provides access to an optional switch-mounted LED. Plus, the pin break-outs are designed with keyboard matrix-ing in mind, so you can interconnect as many boards as you’d like into a row-column configuration, keeping the I/O-pin requirements as low as possible.

Note: If you are looking for a Cherry MX Switch to use with this breakout, we’ve got you covered! CLICK HERE!

Get Started with the Cherry MX Switch Guide

Features:

  • Support for 3mm LED
  • Footprint for LED current-limiting resistor
  • Footprint for switch-isolating diode
  • Chain-able in row/column matrices
  • Designed to match standard key spacing and keyboard row offsets

Documents:

Jargon buster

Plain-language definitions for the technical terms used above.

breakout
A breakout board carries a small or fine-pitched component and brings its connections out to standard, breadboard- and header-friendly pins. Describing a part as a breakout means it can be wired into a project without soldering directly to the component's tiny contacts.
Headers
Rows of connector contacts on a fixed pitch (commonly 2.54 mm) used to link a board to a breadboard, jumper wires, or another board. They come as male pin headers and female socket headers; when a module ships with pre-soldered headers it can be used straight away, whereas bare pads require soldering the pins yourself.
LED
A light-emitting diode (LED) is a small electronic component that emits light when current flows through it in the correct direction. Because it only conducts one way, its polarity matters, and a through-hole LED must be soldered the correct way around to light up.

Cherry MX Switch Breakout Schematic

Schematic · 46.6 KB · Click any page to view full size

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Supplier page — sparkfun.com

Supplier Description · 598.1 KB · Click any page to view full size

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Source Code

Open-source libraries, firmware & example projects for this product

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