MPPT电源控制器设计

0. 引言

实物效果图：

        

Blinker显示 

 

 主控芯片：ESP-12F

1. IIC设备地址扫描

#include <Arduino.h>

#include <Wire.h>
void setup()
{
  Wire.begin();
  Serial.begin(115200);
  while (!Serial)
    ;
  Serial.println("\nI2C Scanner");
}
void loop()
{
  byte error, address;
  int nDevices;
  Serial.println("Scanning...");
  nDevices = 0;
  for (address = 1; address < 127; address++)
  {
    Wire.beginTransmission(address);
    error = Wire.endTransmission();
    if (error == 0)
    {
      Serial.print("I2C devic