0.36Inch 6-Bit LED Digital Electronic Time Clock Module for Arduino DIY (Red)

The minute flashes and the short key changes the value. Then press the long key to enter the automatic brightness function switch setting, display AL:x, and press the short key to change the value. AL:0 is off, AL:1 is on, when AL:1, the display automatically changes to level 1 brightness after 19:00 in the evening, and automatically changes to the brightness value in the Ld setting after 7:00 in the morning.

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