In my first post on the Annoying CAPS LOCK Warning Buzzer, I concluded with a list of future improvements to make to the project. Those updates are now implemented and the Annoying CAPS LOCK Warning Buzzer is more robust than ever. Read on to find out more about the improvements.
Goals for Improvements
The list of new features and improvements is pretty short:
Include a ground plane on both sides of the board. Route +5V as traces.
Add some basic ESD protection.
Add a button and LED to use with a USB bootloader and firmware update utility to apply firmware updates.
Make the button and LED accessible without disassembling the buzzer.
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