PLEASE SEND ME THE DETAILS OF THIS TOPIC ALONG WITH THE PICTURES AND FIGURES..IT WILL HELP IN MY FINAL YEAR HARDWARE PROJECT..KINDLY INFORM ME AS SOON AS POSSIBLE. ....etc

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i requst this topic becuase my seminar based on this topic. ....etc

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Hi,
I am looking for a working model of low cost GSM based Temperature & Humidity monitor

Any one who has successfully developed the same or can develop the same please contact me direct.

Cheers
Prakhar ....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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pdf on humidity sensor seminar topic

Single-Chip Relative Humidity and Temperature Sensors
Silicon Labs Si70xx state of the art relative humidity and temperature sensors utilize proven techniques for measuring humidity using polymer dielectric film along with CMOS mixed signal integrated circuits. These monolithic ICs combine fully calibrated humidity and temperature sensing elements, an I2C or PWM interface and on-chip signal conditioning into a compact, rugged and reliable package.

Humidity sensors from Measurement Specialties are designed ....etc

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interfacing of humidity sensor with 8051 microcontroller pdf

Abstract

This project is about a simple humidity sensor based on 8051 microcontroller. Humidity sensor is also called hygrometer. This circuit can sense relative humidity (RH) from 20% to 95% at an accuracy of 5%. The humidity information is displayed on a 16 2 LCD display. A relay is also provided which is set to be active when the humidity crosses a certain trip point. The circuit is mains operated and it is very easy to install. DHT11 is the humidity sensor used here.DHT11 is a ....etc

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source code for interfacing humidity sensor with lpc2148

ABSTRACT

In this paper, we describe about the monitoring of Indian agriculture using LPC2148.Monitoring of Indian agriculture is
done using information of the temperature and humidity content. This is mainly used for saving water and monitoring agriculture without human presence. Temperature sensor and humidity sensor will continuously sense the information regarding the field. When the values are less than or greater than the threshold values it will do certain operations. We are usin ....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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e=medium] ....etc

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basic of humidity sensor 220 module theory information ....etc

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