
Arduino sprintf(): Guide to String Formatting
Arduino sprintf() function is used to format strings. This helps us to include many variables in one strings. You may face this problem very often...

Basic Arduino LCD and Keypad Example Code
This code is about basic example where we interface a 4×4 keypad with Arduino and one 20×4 LCD with Arduino. You can also use 16×2...

How to Read N Number of Bytes from Serial Port in Arduino?
In this post we are going to demonstrate how to read “N” number of bytes from Serial port in Arduino. This is very common problem...

How to use ATmega328P lock bits to protect your firmware
Before you wonder how to lock the atmega328p microcontrollers which are backbone of Arduino Uno, this is done with lock bits which you can program...

Car parking system using Arduino and IR Sensor
Car Parking system using Arduino and IR Sensor is very interesting project to start playing or to demonstrate your basic understanding of Arduino Programming and...

Arduino Tachometer using Interrupt
In this article we are explaining how to create a tachometer using Arduino. Although you can use any Arduino board you want, but we are...

How to use LM35 temperature sensor with Arduino
Reading the environment temperature is one of the most important task for the majority of the applications. We are going to use LM35 Temperature sensor...

Arduino + C# Serialport ReadLine and Display on Textbox
Today we are going to read analog input in Arduino and send that read value to Serial port via serial.println() function. After that we are...

Arduino 4 digit 7 segment multiplexing on Atmega8 using Timer 2 Interrupt
Here is the code to multiplex 4 digit 7 segment on Atmega8 using Timer 2 Interrupt. This code witll display digits array on seven segments....

Arduino 4 digit 7 segment Non Multiplexed Display using Shift Register
Welcome in another Arduino tutorial. Today we are going to explain how to interface 4 digit 7 segment display using shift register 4094. We used...