keyboard

I have a RII bluetooth keyboard that I really like, but it has two shortcomings I'm interested in modifying if possible. I've included pictures of what's inside a RII model that's close to the one I'd like to modify (mine is essentially the same design minus the touchpad). 1) The keyboard...

Hi, the top row of my optical keyboard doesn't register keystrokes. I measured the voltage of the IR sensors; the IR receivers on the top row are 1.27 while on the other rows it's 2.79, and all the emitters are the same at 0.05. I don't know much about electronics so any help would be...

I had purchased a cheap Walmart piano to play around with my music creation and have some options other than bass/guitar. I have been learning oscillator circuits and made my own effect pedal, so when the main chip started acting like it got burned out, I wanted to use the key circuit board...

Turn your Newton keyboard to USB with Apple Newton Keyboard to USB Converter Adapter! Works with major OS like Windows, macOS, and Linux.

So I've got a problem with my keyboard that is plugged to my laptop. I unscrewed everything and checked the keys, checked the circuit etc, I reached a conclusion where it's the problem with the circuit board/ maybe motherboard. Whenever I press the shift it outputs a "D" and when I press the d...