NEW DELHI: If you haven’t yet used the LED modules, then you are missing out something great. It is created to use in the signages and channel letters in the beginning, but today they are prominently ...

When we are talking about the MAX7219-based dot matrix display module, it consists of 64 LEDs connected in a row-column format so that we could easily control them with the multiplexing technique.

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Every microcontroller project needs a display. An LCD display with one or two rows for characters is a good choice but it needs several wire connections to make it work. There are seven segment LEDs ...