Light Chaser Ii

Posted on May 1, 2012

Up to six lights can be sequentially flashed using this circuit. LED1 through LED6 can be replaced by optocouplers (MOC3010

Light Chaser Ii
Click here to download the full size of the above Circuit.

, etc.) to control 120-Vac loads via triacs. Ul generates pulses that clock the shift register mode up of the six D flip-flops in the CD 40174. By SI A -B, the register can be programmed either ON or OFF (low or high) and then switched to run in the programmed sequence. S2 clears the program.

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