MPLAB Archives - electroSome

Digital Alarm Clock using PIC Microcontroller and DS3234 RTC

Ligo George — Sat, 11 Apr 2020 14:44:29 +0000

Here is a digital alarm clock made using PIC 18F4520 Microcontroller and DS3234 RTC (Real Time Clock). This project is for educational purposes or can be used as a reference for integrating DS3234 RTC. DS3234 is a very accurate RTC IC with integrated on chip temperature compensated crystal oscillator. It can be integrated with a […]

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SPI Communication with PIC Microcontroller – MPLAB XC8

Ligo George — Mon, 01 May 2017 08:01:32 +0000

SPI (Serial Peripheral Interface) is a full duplex synchronous serial communication interface used for short distance communications. It is usually used for communication between different modules in a same device or PCB. SPI devices communicates each other using a master slave architecture with a single master. SPI is called as a 4-wire bus as it requires […]

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I²C Communication with PIC Microcontroller – MPLAB XC8

Ligo George — Mon, 11 Apr 2016 17:02:37 +0000

I2C or IIC or I2C stands for Inter-Integrated Circuit. It is a very popular multi-master, multi-slave serial communication interface developed by Philips. I2C uses two bidirectional open drain data lines, Serial Data (SDA) and Serial Clock (SCL) with pull up resistors as shown below. Unlike UART, you can connect and communicate to multiple devices using the same […]

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Using ADC of PIC Microcontroller – MPLAB XC8

Ligo George — Thu, 12 Nov 2015 07:25:55 +0000

In this tutorial we will learn, how to use the ADC module of a PIC Microcontroller using MPLAB XC8 compiler. For demonstration we will use the commonly available PIC 16F877A microcontroller. Every physical quantity found in nature like temperature, humidity, pressure, force is analog. We need to convert these analog quantities to digital to process […]

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Generating PWM with PIC Microcontroller – MPLAB XC8

Ligo George — Thu, 21 May 2015 13:00:52 +0000

Pulse Width Modulation (PWM) is the one of the simple and most commonly used technique to produce analog voltages from digital signals. It has a wide variety of applications such as Digital to Analog Converter (DAC), DC Motor Speed Control, Sine Wave Inverters, Brightness control etc. PWM signals are ON – OFF signals (HIGH or […]

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Custom Characters on LCD using PIC – MPLAB XC8

Ligo George — Tue, 10 Feb 2015 12:35:27 +0000

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 […]

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Using UART of PIC Microcontroller – MPLAB XC8

Ligo George — Fri, 03 Oct 2014 11:01:27 +0000

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 […]

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Interfacing Servo Motor with PIC Microcontroller – MPLAB XC8

Ligo George — Sun, 24 Aug 2014 11:33:19 +0000

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 […]

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Interfacing LCD with PIC Microcontroller – MPLAB XC8

Ligo George — Mon, 18 Aug 2014 12:40:03 +0000

In this tutorial we will see How to Interface a 16×2 character LCD module with PIC 16F877A Microcontroller using MPLAB X IDE and MPLAB XC8 C Compiler. 16×2 Character LCD is a very basic and low cost LCD module which is commonly used in electronic products and projects. 16×2 means it contains 2 rows that […]

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Interfacing HC-SR04 Ultrasonic Sensor with PIC Microcontroller

Ligo George — Tue, 12 Aug 2014 17:18:28 +0000

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 […]

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