Code by Doddlin#9941 - Tue Jan 05 2021 17:40:32 GMT+0000 (Coordinated Universal Time)

ArduinoDiscordBot.md

This gist was pasted by the Arduino discord server bot.

This gist was automatically pasted at the request of the code author or one of the discord server helpers. If you have any suggestions or bugs to report, you can do so on our GitHub repository, or in our discord server. This project is run by volunteers so feel free to fork and commit your changes then open a pull request!

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⬇️ Pasted Code ⬇️

CodeBlock-1.cpp

c++
#include <Wire.h> //include Wire.h library
#include <Arduino.h>
#include <Adafruit_Sensor.h>
#include <SPI.h>

int sda = 5;
int scl = 4;

void setup()
{
  Wire.begin(sda, scl); // Wire communication begin
  Serial.begin(9600); // The baudrate of Serial monitor is set in 9600
  while (!Serial); // Waiting for Serial Monitor
  Serial.println("\nI2C address Scanner CircuitSchools.com");
}
 
void loop()
{
  byte error, address; //variable for error and I2C address
  int devicecount;
 
  Serial.println("Scanning...");
 
  devicecount = 0;
  for (address = 1; address < 127; address++ )
  {
    // The i2c_scanner uses the return value of
    // the Write.endTransmisstion to see if
    // a device did acknowledge to the address.
    Wire.beginTransmission(address);
    error = Wire.endTransmission();
 
    if (error == 0)
    {
      Serial.print("I2C device found at address 0x");
      if (address < 16)
        Serial.print("0");
      Serial.print(address, HEX);
      Serial.println("  !");
      devicecount++;
    }
    else if (error == 4)
    {
      Serial.print("Unknown error at address 0x");
      if (address < 16)
        Serial.print("0");
      Serial.println(address, HEX);
    } else {
      Serial.print("Searching");
      Serial.println(address, HEX);
    }
  }
  if (devicecount == 0)
    Serial.println("No I2C devices found\n");
  else
    Serial.println("done\n");
 
  delay(5000); // wait 5 seconds for the next I2C scan
}