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This 4-digit 7‑segment LED display module uses the TM1637 driver IC and operates at 3.3–5 V with a two-wire interface (CLK & DIO). It provides easy brightness control and displays numbers, counters, clocks, voltage/current readouts, and timers. Compact and plug-and-play, ideal for Arduino, ESP32, Raspberry Pi, and DIY electronics projects requiring numeric output. |
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