What I'd love is a switch tester that is also a working keyboard, and I'd gladly pay more for it. That would make it useful, once I've done testing, instead of sitting on a shelf.
coconutstudioWhile it's not exactly what you're looking for, the Ducky Shine 4 69 Fire has 9 different switches. Not a switch tester per se, but definitely the most variety I've seen on a stock board.
nossonUh, the reason is that this doesn't have a PCB or housing for a PCB. The only way you could "wire this thing up" would be to either engineer and fabricate those parts yourself or connect each lead on each switch via 126 separate wires to an arbitrary pcb creating an eldritch monstrosity that is just as likely to set your house on fire as it is work as a normal keyboard.
devookyou're a very unreasonable naysayer. I build synths and amplifiers and keyboards and 126 wires is really not a big deal. And 5v at 1A isn't going to burn anybody's anything down.
I actually just moments ago desoldered a 96 key tipro, which is basically going to get this exact treatment. wires and diodes. nbd. Lots of people handwire boards. I'm typing on a handwired board. took me 3 enjoyable hours to wire. I've also built other things of far greater complexity with thousands of parts.
So tired of internet nudnicks desperately groping for an unwarranted ego boost. Nice take, though.
coconutstudioDon't listen to @devook . they have no idea what they're talking about. if you want a functioning switch tester, I (or someone else) could build it for you. or you can do it yourself. it's an empowering project, and a solid entry into electronics! check out the QMK documentation.
coconutstudioWhat might work for you is a PCB with hotswap sockets on it. There are a few out there. Just be aware that you'd need a plate if you use the switches from this drop with that solution.
@CrackedDilithium I think the best option here would just be to handwire your switch tester and put rubber feet on it, so you can run the wires between the switches and have some space for the microcontroller.
This all may sound complicated, but really it's a matter of soldering one wire on each column and soldering the same component (a diode) between each switch on the rows. then you just wire it up to a teensy or an arduino, and follow the instructions for QMK to do the rest of the work.
nossonone can get rubber feet at the hardware store. or you can glue some cork or plastic or anything on it, really, just to give some space underneath to run the wire. you can also just put the micrcontroller on the side if you don't wanna raise the switch tester up that much.
CrackedDilithiumWhile using PCBs can seem like a reasonable or elegant way to wire up the switch tester, I noticed that there isn't space enough to fit any PCBs on there. I think just handwiring would be the most easy and elegant solution, and you wouldn't have to worry about putting all the switches on a new substrate and matching up a PCB to their spacing.