2 - 十字路口的紅綠燈[兩個七段顯示器](加分題)
Synopsis
使用Raspberry Pi 3 實作模擬紅綠燈+雙位數紅燈倒數背景音樂: Crazy Little Love/Nuage ...
](https://i.ytimg.com/vi/QIcVJ6dHJeY/hqdefault.jpg?sqp=-oaymwEcCOADEI4CSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLB8kZ-2XjjAhnhqfJBlubwWWSMgHw)
![[raspberry pi 作業二] 使用LED燈結合兩個七段顯示器模擬真實道路紅綠燈](https://i.ytimg.com/vi/gswQfvGnQNQ/hq720.jpg?sqp=-oaymwE2CNAFEJQDSFXyq4qpAygIARUAAIhCGAFwAcABBvABAfgB_gmAAtAFigIMCAAQARhlIEsoRTAP&rs=AOn4CLB5q5StxR0gLrfwxk3TSkpuYf_uqQ)
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