// Program to demonstrate the MD_Parola library // MD_MAX72XX library can be found at https://github.com/MajicDesigns/MD_MAX72XX // hello world max7219 FC16 model hardware in esp8266 edited by hwthinker #include #include #include // Define the number of devices we have in the chain and the hardware interface // NOTE: These pin numbers will probably not work with your hardware and may // need to be adapted #define HARDWARE_TYPE MD_MAX72XX::FC16_HW #define MAX_DEVICES 4 #define CLK_PIN D5 // or SCK NODEMCU #define DATA_PIN D7 // or MOSI NODEMCU #define CS_PIN D8 // or SS NODEMCU //VCC 3V3 pin NODEMCU // Hardware SPI connection MD_Parola P = MD_Parola(HARDWARE_TYPE, CS_PIN, MAX_DEVICES); // Arbitrary output pins // MD_Parola P = MD_Parola(HARDWARE_TYPE, DATA_PIN, CLK_PIN, CS_PIN, MAX_DEVICES); void setup(void) { P.begin(); P.displayText("Hello", PA_CENTER, 0, 0, PA_PRINT, PA_NO_EFFECT); } void loop(void) { P.displayAnimate(); }