Projects - PIC Microcontroller

Breadboard module for 18-pin PIC16F microcontrollers (PCB version)

Because of their compact size, ease of use and many built-in peripherals, the 18-pin PIC16F series processors (PIC16F628A, PIC16F88, and now PIC16F1827/47) have always been my favorite microcontrollers. Many of my projects and tutorials written in this blog also use PIC16F628A and PIC16F1827 microcontrollers. As I will be using them more in the future too, …

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Password Based Door Lock System using 8051 Microcontroller

Traditional lock systems using mechanical lock and key mechanism are being replaced by new advanced techniques of locking system. These techniques are an integration of mechanical and electronic devices and highly intelligent. One of the prominent features of these innovative lock systems is their simplicity and high efficiency. Such an automatic lock system consists of …

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Echo MP3 player using PIC18LF452

The EchoMp3 is a small DIY* MP3 player. It’s cheap and of excellent quality. 64, 128, 256, 512MB and 1, 2, 4 GB MMC and SD(HC) cards used as storage. FAT (FAT16) and FAT32 supported. Low power operation with a single AAA (HR03) 1V2 Ni-Mh battery. Runs on a 18LF452 or 18LF458 at 20 MhZ. …

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Breathalyzer circuit using 8051

Last Updated on March 12, 2014 by admin in 8051 projects with 15 Comments Alcohol Breathalyzer circuit using 8051 microcontroller (AT89S51). This article is about a breathalyzer circuit using 8051 microcontroller which outputs the blood alcohol content (BAC) from the breath. The BAC is displayed in percentage on a 3 digit seven segment display. …

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Tiny AVR Microcontroller Runs on a Fruit Battery

Some of the fruit and vegetables we eat can be used to make electricity. The electrolytes in many fruit and vegetables, together with electrodes made of various metals can be used to make primary cells. One of the most easily available vegetable, the ubiquitous lemon can be used to make a fruit cell together with …

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30 volts Panel Volt Meter Using PIC MCU

This is a simple application of internal 10-bit ADC(analog to digital converter) of PIC16F676 microcontroller.you can use this circuit to measure up to 30 v dc. the possible applications are on bench top power supply or as a panel meter in various system. Circuit description MICROCHIP’S PIC16F676 is the heart and brain …

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Interfacing DC Motor with PIC Microcontroller using L293D

DC Motor and L293D We can’t drive a DC Motor (depends) directly with a Microcontroller, as DC Motors requires high current and high voltage than a Microcontroller can handle. Microcontrollers usually operates at +5 or +3.3V supply and it I/O pin can provide only up to 25mA current. Commonly used DC Motors requires 12V supply …

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Interfacing Dot Matrix led Display with PIC Microcontroller

To know about Interfacing Dot Matrix led Display with PIC Microcontroller, we have to know about what is Dot Matrix Display? And how it work? Dot Matrix Display is an array of LED situated in a form of Matrix. See the architecture of a 7*5 Dot Matrix led Display board. Project Description : In this …

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PIC Countdown Timer using PIC16f84a

Description : The purpose of this timer is to provide a countdown time from 1 second to 99 minutes & 59 seconds. I use it to control the lighting for the Ultra-Violet exposure of photosensitive PCB material. The project provides also an audible alarm at the end of the countdown time and switches the UV …

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LED Character Moving English Font Display Project (8×16)

LED Character moving play Project is Very popullar and very valuable project in microcontroller field.In here we play English Language font on 8×16 play.You can Expand this 16 colun to up to 32 column.We use 16 LED columns and 8 LED Rows in this play.We use Microcontroller for drive LEDs and you can easily change your …

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