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Very easy use Dot Matrix MAX7219 show text with animation Wiring This library develop for ArduinoESP32 so this schematic i use for test Example # include < IOXhop_DotMatrixh > # define MAX_DEVICES 8 // number of MAX7219 module # define DIN_PIN 23 // DIN pin # define CLK_PIN 18 // CLK pin # define CS_PIN 5 // CS pin IOXhop_DotMatrix dotA dot matrix printer is an impact printer that prints using a fixed number of pins or wires Typically the pins or wires are arranged in one or several vertical columns The pins strike an inkcoated ribbon and force contact between the ribbon and the paper, so that each pin makes a small dot on the paperDOT Matrix (8x8) Using Arduino Wassup Guys!!In this instructable, I'm going to show you How to Interface LED Dot Matrix with Arduino UNO using MAX7219 IC This project can be used to make lowresolution images using LEDs This project is very simple to build and it also serves as Led Dot Matrix Panel Letters Numbers Royalty Free Vector Dot matrix pap