Today we have new circuit for light adjustable circuit with IC 4017 which will be benefic to you. Please see Schematic on left your hand.
light adjustable circuit with IC 4017
IC556 and IC 4017 in Traffik Control of light – in the catalog of amateur radio resources to … The circuit uses IC 4017 and the control voltage versatile
230 V AC from a power of +5 V is achieved. The power is given to the other blocks. Pulse at a given frequency generates the beat. The clock pulses are counted by a counter and gives output after every 10 pulses. The counter drives the transistors, which form the triac firing circuit. The focus of the transistor, triac, and provide enough power for the load. The decorative lights are connected as a load for each triac. The onions are sequentially activated and deactivated forward and reverse mode.
The IC-556 works as a pulse generator and feeds the clock pulses to IC 4017th IC 4017 is the heart of this circuit.
It works like a switch and gives the output after every 10 pulses. It pushes the transistor, which in turn fire the triacs. The triac provides sufficient current to the load.
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