Serial.print and printf, Solved! in Arduino IDE and ESP

serial print and printf

Serial.print and printf, Solved! in Arduino IDE and ESP. You’d like to be able to print values from inside strings, similar to printf. Since the Arduino IDE understands serial.print, you won’t be able to type anything for Arduino Uno, Arduino Mega or Arduino Nano etc like the statement below: Serial.printf(“You Entered %d hours”, n); However, … Read more

EEPROM in Arduino and ESP (ESP8266 and ESP32)


This article will explain what an EEPROM is and provide a brief overview of the other memories available in a microcontroller. You”ll also learn how to use EEPROM in Arduino and ESP microcontrollers (ESP8266 and ESP32). Using the EEPROM put and EEPROM get functions, the software below illustrates how to read and write to EEPROM. … Read more

Arduino String Function

String Function in Arduino

In this tutorial, we will cover all Arduino String Function like string replace function Arduino, string compare function in Arduino, string copy function Arduino, etc. For datatype conversion like; int to string function arduino, string to int arduino, string to char arduino follow the link. ARDUINO STRING FUNCTION charAt() myString.charAt(n): Access a particular character of … Read more

Servo Motor with Arduino

Servo Motor with Arduino

In this section, you learn interfacing of servo motor with Arduino, but before this let’s start with servo motor. A servo motor is an electrical device used to rotate objects at certain specified angles. It’s just a basic motor that runs through the mechanism of the servo. They are used in numerous applications such as … Read more

8X8 LED Matrix with Arduino

Dot Matrix Display with Arduino

In this project you will see how to Interface 8×8 led matrix with Arduino or 8×8 dot led matrix with Arduino. In this section we will connect Arduino and led matrix display and send data wirelessly using Bluetooth HC05. REQUIRED MATERIAL MAX7219 DOT LED MATRIX 4 in 1 MODULE CIRCUIT DIAGRAM CONNECTION TABLE ARDUINO BLUETOOTH … Read more