Connect pins A-G, and decimal pin directly to Arduino pins as specified in numbers.h, connect a current limiting resistor between pins D1 - D4 and the Arduino pins. According to the datasheet, the ...

The 4-digit LDQ-N221xRx numeric LED display has 5.6-mm-high seven-segment characters with four decimal points and a minus sign. Available in a choice of colors with diffused segments and a gray or ...

Recently, we published an entry-level Arduino project with a single seven-segment LED display. Although it’s an amazing DIY project, we noted that most of the readers are looking for more advanced ...