These LED panels take care of all the work of making a big matrix display. Each panel has six 8×8 red matrix modules, for a 16×24 matrix. The panel has a HT1632C chip on the back with does all the multiplexing work for you and has a 3-pin SPI-like serial interface to talk to it and set LEDs on or off. There’s a few extras as well, such as being able to change the brightness of the entire display, or blink the entire display at 1 Hz.
One really nice thing about this particular LED matrix module is that it is designed to be ‘chainable’ – you can connect to 8 panels together to make an extra long display.
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