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The SparkFun 7-Segment Serial Display – White integrates a classic 4-digit 7-segment display with an ATMega328 microcontroller, enabling individual segment control via a few serial lines. It supports Serial TTL, SPI, and I2C communication, and can be programmed for stand-alone operation with the pre-loaded Arduino bootloader. The design includes relocated power and I2C pins for easier chaining and mounting holes for secure installation.
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