8×8 LED Matrix modules are now widely available, and fortunately they are easy to use with our favorite Arduino microcontroller. 8×8 LED Matrix module have many applications in real life, such as ...

J2-6 SDI(MOSI) LCD SPI bus write data signal J2-7 SCK LCD SPI bus clock signal J2-8 LED LCD backlight control signal (high level lighting, if you do not need control, please connect 3.3V) J2-9 ...

Measuring the speed of a rotating object is a common requirement. Knowing the speed of table and ceiling fans, as well as kitchen appliances such as mixers and grinders, can often be useful. However, ...

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 ...