Arduino Binary "Second" Counter 二進位秒計 (video 視頻)

Sorry, due to shortage of materials, a binary clock to simplify as "second" counter.
A bit simple, don't laugh at me. :)

很抱歉，由於材料短缺，將個 二進位 "時鐘" 簡化成 二進位  "秒計" 。
有點簡單，不要笑我。:)

Enquiry for Purchase 採購查詢

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