Thursday, November 29, 2012 - 0 comments

Block Diagram

assalamualikum wbt..
have good weekend guys,,, what are you doing,, chatting+eating+lepaking heheh...In whatever condition you are please font forget to comment and follow all my post...
after im explain in generally about my project, now is the time we are moving into the important part of this project which is explanation of Block Diagram .


Block diagram for supply


 Block diagram for supply
Photovoltaic energy is the conversion of sunlight into electricity. A photovoltaic cell is the technology used to convert solar energy directly into electrical power. Sunlight is composed of photons, or particle of solar energy. These photons contain various amount of energy corresponding to the different wavelength of the solar spectrum. When photons strike a photovoltaic cell they may be reflected, pass right through, or be absorbed. Only solar panel absorbed photon energy to generate electricity.
The solar charger control it’s to regulate the power flowing from a photovoltaic panel into a rechargeable battery. It features easy setup with one potentiometer for the float voltage adjustment, an equalize function of periodic overcharging and automatic temperature compensation for better battery charging over a wide range of temperature. The solar charger controller is able to handle reverse polarity connection of both the battery and photovoltaic panel.
Batteries are device that translate chemical energy into electricity. But the simple definition greatly understates the pervasive role of batteries in our life. Batteries are an efficient way to make electricity portable. In addition batteries provide power to replace electricity from the utility electricity grid for variety of critical function.

Block diagram for microcontroller


 Block diagram for microcontroller

The temperature sensor and LCD display are located inside while humidity sensor is located outside of the enclosed housing. Temperature data is sent from the sensor to the microcontroller Arduino. When all the data sent to the microcontroller Arduino, the data will sent to the water sprinkler to on the motor and will sent to the LCD to display and the same time the data will sent to LabVIEW system to monitoring the system. H-bridge will step up the voltage from 5V to 9V for operates DC motor to running water sprinkler.
The microcontroller can sense the environment by receiving the inputs input from the variety of sensor and can affect its surrounding by controlling light, motors, and other actuators. The microcontroller on the board is programmed using the Arduino programming la nguage (based on wiring) and the Arduino development environment (based on processing). Arduino project can be stand-alone or they can communicate with software on running a computer (eg. Flash,processing,MaxMSP).

The LabVIEW system will monitor our automatic sprinkler water. Based on this system we will know if anything happen at our farm. This system will immediately report to us at the real time using the graphical chart and also analyzed the data receiver by the microcontroller Aaduino. This system will use the Internet protocol as a transducer between Aduino microcontroller and LabVIEW system.
The temperature sensor use is thermistor. It is a 2-pin analog sensor with a range of 0°c to 100°c. Thermistor provides an analog output voltage which is proportional to the measured temperature. The device has 2 pins: Voltage Supply, Ground and voltage output. Vs and Ground are connected to supply voltage and the ground respectively. The output is connected together with a 10ohm resistor and 1µF capacitor which act as a filter in order to minimize the electrical noise. Thermistor will produce an analogue voltage output. The value of output is 10mV which equivalent to 1°c.The Humidity sensor module user is HSM-20G. It is a 4-pin analog sensor with a range of 10%RH. The device has 4-pins, Temperature Output, Ground, Humidity output and Vcc. The Vcc and Ground are connected to supply of +5V and ground respectively. The temperature output is connected together with resistor value of 10k Ohm while the humidity output is connected with a 100 Ohm resistor and also 47µF capacitor




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