69IAq

Dot matrix water dispenser with reminder function (verified)

 
Overview
Connect the top and bottom plates using M3*10mm double studs. Note the soldering method between the DS1302 battery holder and the DS1302. Changing the time requires re-downloading the program. After changing the time, comment out the time code and download again. Please use a passive buzzer (the sound should be music - Two Tigers). If you cannot produce a PCB due to panelization issues, please delete the oval frame layer in the middle of the PCB and cut it open yourself.
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Update:2026-03-25 06:49:07

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