Isabela Moreira shared a great write-up & rundown on the world of mechanical keyboards, covering kits, cases, keycaps & more.
Instead of rubber, switches in mechanical keyboards are made of actual mechanical, moving parts. These switches are soldered directly onto the circuit board, instead of hovering over the circuit board like the metal contact in the rubber dome.
There’s a variety of different brands and kinds of mechanical switches, which we’ll get to later, but all mechanical switches have the same basic components – a leaf spring, a slider, and a spring. All three sit inside the switch housing. Outside the switch housing is the switch’s stem, which is what connects the switch to the keycap.
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Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.