Arduino max7219 scrolling text4/30/2023 ![]() 15#define charWidth 5 // ** one indexed ** 16 17byte displayOutput = Īdafruit_NeoPixel strip = Adafruit_NeoPixel(ledTotal + 1, stripPin, NEO_RGB + NEO_KHZ800) Īdafruit_NeoPixel stripB = Adafruit_NeoPixel(ledTotalB + 1, stripPinB, NEO_RGB + NEO_KHZ800) Code for controlling scrolling text on Max7219 LED matrix using Bluetooth and Android App. ![]() However, it is advisable to use a different power source for the LED matrix especially if you are using more than four matrices to avoid damaging your Arduino board. 50 leds = 49 here 12#define ledTotalB 144 // zero indexed. From the schematic above I have used the Arduino power supply to run the LED matrix. ![]() ![]() 7 8#define stripPin 6 9#define stripPinB 9 10 11#define ledTotal 150 // zero indexed, so one less than you need. ![]()
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