PIC 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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What is a Microcontroller ?

Ligo George — Fri, 27 Mar 2020 12:01:37 +0000

A microcontroller is an integrated circuit (IC) which is small, low cost and self contained computer designed to handle a specific task in embedded systems. In simple words, a microcontroller (MCU or Microcontroller Unit) is a small computer integrated in to a single chip. We can also explain it as programmable silicon chip which is […]

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Interfacing LCD with CloudX Board

Ayinde Olayiwola — Tue, 23 Oct 2018 15:34:39 +0000

To have a good relationship between human world and machine world, display units plays a vital part. Displays allows us to know what’s happening in a device like the voltage, temperature, present status of the device and even device fault detection etc. LCD’s have a very wide application in embedded systems and it is more […]

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CloudX – Writing to PORTs

Ayinde Olayiwola — Sat, 20 Oct 2018 11:01:48 +0000

In the previous tutorial we saw how to blink an LED using CloudX board, but in some projects we might need to write to a PORT or a group of pins at the same time. For eg., for designing an 8 LED chaser, writing to pins one after the other makes your code look so […]

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Automatic School / College Bell using PIC Microcontroller

Ligo George — Wed, 30 May 2018 18:13:34 +0000

Here we are sharing a fully automatic and configurable bell which can be used in schools and colleges. It is made using commonly available microcontroller and other components. Components Required PIC 18F4550 16×2 LCD Display DS1307 or DS3232 or DS3231 32.768 kHz Crystal 16 MHz Crystal 4.7K Resistor – 7 10K Resistor 10K Preset 22pF […]

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Home Automation using Bluetooth and Mobile App

Ligo George — Sat, 23 Dec 2017 06:47:24 +0000

Technology is a never ending process. To be able to design a product using the current technology that will be beneficial to the lives of others is a huge contribution to the community. Generally in today’s modern world human beings are addicted to using modern equipment. So here we can perform home automation by using […]

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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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