ESP8266 NodeMCU Interface – 7-Segment Display

7-Segment Display Using MCP23017

  • Required NodeMCU Modules (Firmware) :  Bit Module, GPIO Module, I2C Module, Timer Module,
  • Required hardware :  ESP8266 with Programmer (or)  NodeMCU Dev Kit, 7-Segment Display,
  • Required software tools : ESPlorer IDE Tool.




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