Logitech MX Ergo S is sold at a price of 4769 hryvnias. In my opinion, this is an adequate price for a model of this kind and ...

With open source hardware (OSHW) input devices like the Ploopy Adept Trackball, you not only get to say you built the thing yourself, but there’s also an opportunity to tune the gadget to your ...

It requires two PC boards. Those used to be hard to get ... so that should be pretty durable. The resulting trackball looks totally professional. Granted, you probably could run down to the ...