Blue 7-segment clock display - 0.56 digit height

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A bright blue 4-digit seven-segment display perfect for clocks, timers, counters, and numeric readouts. Features decimal points on each digit plus centre colon dots for time-based projects. Note: This is a raw display requiring external driver circuitry. For easier use, consider our I2C backpack version with built-in LED driver. Key Features 4-Digit Display – 0.56" digit height for easy readability Bright Blue LEDs – 15mcd brightness Centre Colon – Extra wire for clock-style separator Decimal Points – Available on each digit Adjustable Brightness – Run at lower current to save power or max 20mA for full brightness Specifications Type: Common cathode, multiplexed Digit Height: 0.56" (14.2mm) Brightness: 15mcd Max Current: ~20mA per segment Colour: Blue Driving Options 74HC595 shift register for anodes (~15mA each) NPN transistors for cathode switching TPIC6B595 high-power shift register for cathodes (~120mA per digit) 8 microcontroller pins (if available) Ideal For DIY clocks and timers Score counters Temperature displays Numeric readouts Browse other sizes and colours Show more