Adafruit
Light Up Key Switch Keychain - Blue LED
If you have one of our etched glow-through keycaps, this adorable, bite-sized Key Switch Keychain is the perfect accessory to show it off. It's basically a s...
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If you have one of our etched glow-through keycaps, this adorable, bite-sized Key Switch Keychain is the perfect accessory to show it off. It's basically a satisfying clicky tactile key switch, with a blue LED and a CR1220 battery. Press the button to connect the LED to the battery and ka-pow! Your keycap lights up.
Way easier than doing a custom DIY keyboard build, and quite satisfying if you have a fidgety hand. Comes with a handy little cord so you can attach it to your bag or purse.
This is just the key switch key chain. Keycaps are not included, so pick your favorite design to snap on.
Jargon buster
Plain-language definitions for the technical terms used above.
- 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.
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