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Max7219 Maxim integrated circuit for 7-segment displays
Below you see a working version with 4 displays. This example was made with Air Manager,
the script is available on request
These boards are made because of the sloppy Chinese MAX7219 boards, which you can buy for
less than 2 euros (you should not expect quality boards).
You also have to take into account that many don’t work, and you cannot daisy-chain them more
than two displays. They also miss a capacitor of 10µF which is needed.
The price of my boards is higher, but they are tested, have all the components on the
board that are needed, and they work as they should. They also have solid connectors of type JST making
it easy to daisy-chain them.
