R2D2 Alarm Clock & Timer

Hardware Changes
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Created a PCB and an insert to support it in the droid
Created power socket insert to hold a smaller DC power socket

Software Changes
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Added Alarm functionality
Added Time format functionality
Added code to flash colon every second

Full instructions, PCB files and updated software at https://www.hackster.io/john-bradnam/r2d2-alarm-clock-timer-3f8342