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表示灯作成

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LEDマトリクス(HUB75 32*32)で表示灯を作ってみた。
LED顯示屏上顯示了標誌。

ビットデータを計算するのは結構手間だったけど意外と簡単に作れた。
沒有想像中複雜。只花兩三個小時就能完成了。

IMG_7452.jpg

IMG_7453.jpg

使ったのはESP32を2機。(1機でも点灯はさせられるが、wifiで表示切替えできるように2機使用した。)
為了可以用WiFi控制標誌,用了兩個ESP32單晶片。

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