The scenario
Design a circuit diagram for a mechanical computer mouse PCB, including optical encoders and button debouncing for reliable signal reading by a microcontroller.
What is in this drawing
Read the decisions behind it.
01
Used netlist format for easy layout and connectivity definition
02
Included phototransistors for X/Y detection and switches for buttons and scroll wheel with R-C debouncing
03
Modeled power from 5V USB supply
When designing or understanding the hardware of a wired computer mouse.
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