Light controlled LED lights and DC fan using IC 555
![light-controlled-led-beacon-DC-fan](http://www.ltoxd.com/wp-content/uploads/2018/02/led-beacon-dc-fan-1170x657.jpg)
Timer IC 555 is not dead yet, this is because of the extended functionalities it provides at a low cost.Be it an Oscillator, Timer or Trigger this chip can do a fine job.In this article we are…
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