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m5atom-max7219-matrix-clock's Introduction

M5Atom MAX7219 MatrixLED clock

M5Atom Matrix clock

M5Atom LiteとMAX7219を用いた4連Matrix LEDモジュールを使用した、NTPから時刻を取得する時計。

Parts

Pin assign

M5Atom MatrixLED
G22 CLK
G19 CS
G23 DIN
5V VCC
GND GND

Pin assign

Compile

Arduino IDEでM5Atomにプログラムが書き込める環境を用意します。 https://docs.m5stack.com/en/arduino/arduino_development

Cloneしたコードに含まれているnet-inst.hnet.hとしてコピーし、Wi-FiのSSIDとパスワードを書き換えてください。

includeしているv4font.hv5font.hに変更すると、横5dotの数字になります。(桁間の隙間はなくなります)

Reference

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