Mini Project on Digital Fan Regulator

The circuit presented here is that of a digital fan regulator, variable to provide five speeds levels as catered for in ordinary fan regulators. The circuit makes use of easily available components. An optional 7-segment display with its associated circuitry has been provided to display your choice of fan speed. In future aspect, adding an IR system will improve the system so the speed change technique will be precised & accurate. You can also Subscribe to FINAL YEAR PROJECT'S by Email for more such projects and seminar.



The heart of the circuit is a module-6 binary counter, built around IC2 and IC3 (IC 74LS76) which is dual JK flip-flops. The counter counts up in a straight binary progression from 000 to 101 (i.e. from 0 to 5) upon each successive clock edge and is reset to 000 upon next clock. The report consist of Circuit diagram, block diagram, PCB layout and complete working of the project.

Author:-Somnath Dey

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