The 0.56 Inch 4-Digit 7-Segment LED Display Red (5461BS, Common Cathode) packs four bright red digits into a single 12-pin package, making it a go-to choice for clocks, counters, and simple numeric readouts. Each digit shares a common cathode, so a single microcontroller can multiplex all four digits with just a handful of GPIO pins.
Key features:
- Four Digit Display: Shows up to four characters at once, ideal for time, temperature, or counter readouts.
- 0.56 Inch Digits: Tall, bright red segments stay legible from across a room.
- Common Cathode Wiring: Each digit shares a common cathode, simplifying multiplexed driving from a microcontroller or driver IC.
- 12-Pin Package: Standard dual-inline pin layout drops straight into a breadboard or perfboard.
- Driver IC Compatible: Pairs well with shift registers or dedicated display driver ICs such as the MAX7219 or TM1637.
- Wide Viewing Angle: Diffused segments give consistent brightness from most viewing directions.
It is a staple component for digital clocks, timers, scoreboards, and any Arduino or STM32 project that needs a clear numeric readout.
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