When you need a PCB to be very flexible #Keyboards #PCB
Finding three dimensional curved keyboards which fit small hands is nearly impossible, unless you want to spend a fortune and even then it would be likely made for dudebro gamers/coders.
Murasaki was looking to make such a keyboard. One can look to have individual key circuit boards with a mess to wire. They came to design a key matrix in which each key circuit can bend away and towards other keys in a spring-like fashion, using thin flexible PCB substrate now more common and affordable. This avoids having to do the tedious wiring between every key.
Her creation: the Super Infinite Possibilities board. It was ordered through JLCPCB, with their service being the least expensive as determined at the time of manufacture, delivered to Japan.
Flexible substrates not only bend, but also have the advantage of being thin. I made a keyboard this time, but I think it can be used in various situations such as wearable devices and machines with moving parts. By actually touching it, the idea of what to make spreads. Personally, I felt a lot of potential, so if you are interested, please try making it.
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