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This article and video will teach you how to display the characters with Arduino. And you can find the Circuit Diagram and Arduino code below the page.
For this OLED Display with Arduino tutorial, I am using
Video for a descriptive step-by-step guide for OLED Display with Arduino
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Arduino Scanner Code to check I2C device
/* CircuitMagic.com */ #include <Wire.h> void setup() { Wire.begin(); Serial.begin(9600); Serial.println("\nI2C Scanner"); } void loop() { byte error, address; int nDevices; Serial.println("Scanning..."); nDevices = 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(" !"); nDevices++; } else if (error==4) { Serial.print("Unknow error at address 0x"); if (address<16) Serial.print("0"); Serial.println(address,HEX); } } if (nDevices == 0) Serial.println("No I2C devices found\n"); else Serial.println("done\n"); delay(5000); // wait 5 seconds for next scan }
dont make full upload the proper code #incloude wire . h
#include is missing in the above code
#include “Wire.h”
#include “Wire.h”
Add Wire.h