pic16f877a microcontroller interfacing apr9600

This powerful (200 nanosecond instruction execution) yet easy-to-program (only 35 single word instructions) CMOS FLASH-based 8-bit microcontroller packs Microchip's powerful PIC architecture into an 40- or 44-pin package and is upwards compatible with the PIC16C5X, PIC12CXX and PIC16C7X devices. The PIC16F877A features 256 bytes of EEPROM data memory, self programming, an ICD, 2 Comparators, 8 channels of 10-bit Analog-to-Digital (A/D) converter, 2 capture/compare/PWM functions, the synchronous s ....etc

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To get full information or details of pic16f877a interfacing diagram please have a look on the pages

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A gas detector is a device that detects the presence of gases in an area, often as part of a safety system. This type of equipment is used to detect a gas leak and interface with a control system so a process can be automatically shut down. A gas detector can sound an alarm to operators in the area where the leak is occurring, giving them the opportunity to leave. This type of device is important because there are many gases that can be harmful to organic life, such as humans or animals.
Gas detectors can be used to detect combustible, flammab ....etc

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This Standalone Hardware device (Computer not required) will ring COLLEGE bell at pre-scheduled times of day (all periods) on each day, of the week. Typically, COM time switch can be used to ring COLLEGE bells. It can also be used for other applications where you want a sound to play at preset times. The Device is for colleges, Educational Institutions, Industries and other business where the Bell timer plays a critical role in running the day. The device shows the real time clock during normal operation and a beep announces each bell. Differen ....etc

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Introduction
This project describes a motion sensor alarm based on a Passive Infra-Red (PIR) sensor module. There are many vendors that manufacture the PIR sensor modules and almost all of them are pretty much the same in function. They have a single output that goes high (or low, based on specification) when the motion is detected. In this project, a PIC12F635 microcontroller continuously monitors the output from the sensor module and turns a buzzer on when it goes active.
Theory
Certain crystalline materials have the property to generate a su ....etc

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This is a simple-to-use liquefied petroleum gas (LPG) sensor, suitable for sensing LPG concentrations in the air. The MQ-6 can detect gas concentrations anywhere from 200 to 10000ppm.

This sensor has a high sensitivity and fast response time. The sensor's output is an analog resistance. The drive circuit is very simple; all you need to do is power the heater coil with 5V, add a load resistance, and connect the output to an ADC.

This sensor comes in a package similar to our MQ-3 alcohol sensor, and can be used with the breakout board .This c ....etc

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to get information about the topic exhaust gas recirculation for gas turbine engines full report ppt and related topic refer the page link bellow

http://seminarsprojects.net/Thread-exhaust-gas-recirculation-full-report ....etc

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RhydoLabz s LPG Gas Sensor Module is designed to detect the presence of a dangerous LPG leak in your Home, car or in a service station, storage tank environment by interfacing with Microcontroller without ADC Channels and programming. In this version of LPG Gas sensor module two pots are included, one for trigger level setting and the other for setting sensitivity of the sensor. It allows to determine when a preset LPG gas level has been reached or exceeded. The module uses MQ-6 sensor to sense LPG leak. The MQ-6 can detect gas concentrations ....etc

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RhydoLabz s LPG Gas Sensor Module is designed to detect the presence of a dangerous LPG leak in your Home, car or in a service station, storage tank environment by interfacing with Microcontroller without ADC Channels and programming. In this version of LPG Gas sensor module two pots are included, one for trigger level setting and the other for setting sensitivity of the sensor. It allows to determine when a preset LPG gas level has been reached or exceeded. The module uses MQ-6 sensor to sense LPG leak. The MQ-6 can detect gas concentrations ....etc

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lpg gas leakage detector using pic16f877a

Abstract

Home security has been a major issue where crime is increasing and everybody wants to take proper measures prevent intrusion. In addition there was a need to automate home so that user can take advantage of the technological The project is aimed at developing the security of Home against
Intruders, Gas Leak and Fire. In any of the above three cases any one met while you are out of your home than the device sends SMS to the emergency no provided to it. The report consists of a background into ....etc

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