Product Info
The TM1637 based 4-digit 9mm bright red LED display modules have:
• 2 Wire interface
• Adjustable brightness
• Shows numbers and many alphabet characters
• Colon between digits ideal for digital clocks
• 5V Arduino Nano / Uno / Mega compatible
Overall PCB approx 41mm x 22mm.
Display size 30mm x 14mm.
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