Practically speaking, anything below 1,000Hz is not highly recommended on modern equipment — mice that are 500Hz or below tend to lead to lack of responsiveness, and can sometimes lead to poor ...
The Bellwether mouse sports a high-end Pixart PMW3389 sensor and uses a PIC16F1454 for the controller. The most complicated part was dealing with voltage levels, because the PIC wants 5 V and the ...