Beacon Flasher Using Microcontroller and Pwm Fed Mosfet

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This project is engaged to provide flashing lamp simulating a beacon light generally used in shipyards. It ...
This project is engaged to provide flashing lamp simulating a beacon light generally used in shipyards. It is also used in middle of the sea with hidden rocks for warning system. A programmable microcontroller from 8051 family is engaged to provide different intensities at the different times. A low voltage lamp of 12V is driven by a power MOSFET in PWM mode drive which is derived from a microcontroller. The duty cycle of the PWM increases progressively and decreases in certain time interval. Thus the intensity gradually decreases from full intensity to OFF and this process repeats. The power supply consists of a step down transformer 230/12V, which steps down the voltage to 12V AC. This is converted to DC using a Bridge rectifier. The ripples are removed using a capacitive filter and it is then regulated to +5V using a voltage regulator 7805 which is required for the operation of the microcontroller and other components. For more info visit *******efxkits****; *******www.facebook****/edgefx
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