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Lesson 103: Using the HT1621 Six-Digit Seven-Segment LCD Display

In this lesson, we learn how to use an HT1621 six-digit seven-segment display with five wires. We learn how to display integers like 2345 or floating-point values like 234.987, or temperature. Wiring diagrams and how to wire it to an Arduino are shown, and the Arduino library and code are explained.

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