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6% OFF Modulo matrice a punti MAX7219 da 3 pezzi con schermo a 4 in 1 US$25.40 US$26.99 View It

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BG431314227 18/11/2023

This is a very nice part, that can be easily attached to Arduino systems. I had to dig around a bit to find and configure the correct library (see below) but it works great. 30 Years ago, you would have paid a small fortune for this! I 3D printed a part to mechanically line up the three modules and now use it as one large part with 12 positions. Here is the most important code: // Program to exercise the MD_MAX72XX library // configuration for Nano v3 with 12x 1088AS // // Uses most of the functions in the library #include #define HARDWARE_TYPE MD_MAX72XX::FC16_HW #define MAX_DEVICES 12 #define CS_PIN 10 // or SS // SPI hardware interface MD_MAX72XX mx = MD_MAX72XX(HARDWARE_TYPE, CS_PIN, MAX_DEVICES);

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