PIC Microcontroller Tutorials using MPLAB XC8 Compilers and MPLAB X IDE.
LED Blinking, Switch, LCD, DC Motor

LED

Getting Started with MPLAB XC8 Compiler – LED Blinking

In this tutorial we will learn How to Blink an LED with PIC Microcontroller using MPAB XC8 Compiler. Recently Microchip released a series of development tools including MPLAB X IDE and MPAB XC Compilers. MPLAB X IDE is a software that runs on a computer intended to develop applications for Microchip's Microcontrollers and Digital Signal Controllers. It can be used with Windows, Mac and Linux Operating Systems. It is called an Integrated Development Environment as it provides comprehensive facilities [...]

Push Button Switch

Using Push Button Switch – MPLAB XC8

I hope that you already go through the first tutorial of MPLAB XC8, Getting Started with MPLAB XC8 - LED Blinking. In that tutorial we learn how to use an output pin by driving an LED. In this we will learn how to read an Input pin using a push button switch. We already seen that TRIS register is used to set direction of each IO pin, ie Input or Output and PORT register is used to read or [...]

HC-SR04 Ultrasonic Sensor

Interfacing HC-SR04 Ultrasonic Sensor with PIC Microcontroller

HC-SR04 Ultrasonic Distance Sensor is a popular and low cost solution for non-contact distance measurement function. It is able to measure distances from 2cm to 400cm with an accuracy of about 3mm. This module includes ultrasonic transmitter, ultrasonic receiver and its control circuit. HC-SR04 module has 4 pins : VCC - 5V, +ive of the power supply TRIG - Trigger Pin ECHO - Echo Pin GND - -ive of the power supply TRIG and ECHO pins can be used to interface this module with a [...]

16x2 Character LCD

Interfacing LCD with PIC Microcontroller – MPLAB XC8

In this tutorial we will see How to Interface a 16x2 character LCD module with PIC 16F877A Microcontroller using MPLAB X IDE and MPLAB XC8 C Compiler. 16x2 Character LCD is a very basic and low cost LCD module which is commonly used in electronic products and projects. 16x2 means it contains 2 rows that can display 16 characters. Its other variants such as 16x1 and 16x4 are also available in the market. In these displays, each character is [...]

Servo Motor

Interfacing Servo Motor with PIC Microcontroller – MPLAB XC8

Servo Motor is an ordinary geared dc motor equipped with closed loop servo mechanism which uses position feedback to control exact angular position of the rotor. These are commonly used in robotic arms, legs etc. Servo Motors do not rotate continuously, their rotation is limited to fixed angles. Usually these motors have rotation limit from 90º to 180° and some special have limits 360° or more. Servo Motors usually have three wires. RED and BLACK wires are used to provide [...]

UART Communication

Using UART of PIC Microcontroller – MPLAB XC8

UART stands for Universal Asynchronous Receiver / Transmitter. It is a very popular serial communication interface which provides Full Duplex communication between two devices. UART uses two data lines for sending (TX) and receiving (RX) data. Ground/Reference of both devices should be made common. As the name indicates it is an asynchronous communication interface, which means that it doesn't need to send CLOCK along with data as in synchronous communications. UART is the communication interface used by our old [...]

EM-18 RFID Reader Module

Interfacing EM-18 RFID Module with PIC Microcontroller

EM-18 RFID Reader Module is the one the most commonly used module for Radio Frequency Identification Projects. It features Low Cost, Small Size, Low Power Consumption and Easy to use. It can be directly interfaced with microcontrollers using UART communication. Software UART can be used for microcontrollers having no UART modules. In this tutorial we will see How to Interface EM-18 RFID Reader Module with PIC 16F877A Microcontroller. By understanding the basic idea, you will be able to interface it [...]

LCD Custom Characters

Custom Characters on LCD using PIC – MPLAB XC8

I hope that you already go through our tutorial, Interfacing LCD with PIC Microcontroller - MPLAB XC8. HD44780 compatible controllers used in these LCDs allows us to define 8 custom characters in addition to the standard pre-programmed characters. In this tutorial we will learn, how to create custom characters on LCD using PIC Microcontroller and MPLAB XC8 compiler. DDRAM, CGROM and CGRAM CGROM - Character Generator ROM This is the memory which holds 5x8 or 5x10 dot patterns of predefined characters in [...]