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Most of the developed countries use 120V.But some countries use 230V.Most of the members who use 120V asked some circuits which can be run with 120V.So here we are going to give you very simple and useful 120V circuit.You can use the same circuit for 230V by doing some little bit modifications. Note: If you are a kid don't try this circuit.

Most of our users asked about 230V LED Flashers.You all know already Free Circuit Diagrams 4U has given many LED circuit Diagrams recently also we gave another simple circuit diagram for 230V LED Flasher. So today also  We are going to give you a similar circuit diagram There are only few parts for this circuit diagram.After giving 230 V power  the LED will begin to blink. Note # Please build this circuit on a pcb # If you are a kid don't try this circuit diagram

  Today We are going to give you a very simple circuit but it is very useful circuit diagram.Already FREE CIRCUIT DIAGRAMS 4U has given many 230 V circuit diagrams So this is the another useful circuit diagram .This circuit is blinking after supplying 230 v.Always try to use the correct values. Note:- Build this circuit on a P.C.B            If you are a  kid Don't try this circuit Because 230V is dangerous

You all know Free Circuit diagrams 4U always try to give new things.and also our main purpose is to give very simple circuit diagrams today I'm going to give you a very simple circuit diagram.Here we have used tube light starter.When the starter is lighting up  LED bulbs also will start to blink.You can use this method for 230 normal bulbs too.Enjoy this Note If you are a kid Don't try this circuit Because 230V is dangerous And also you can use this circuit with 110V

This is a very famous circuit diagram among electronic lovers.Because we can use this circuit for various purposes. Free Circuit Diagrams 4U has given you various circuits with this circuits not only LED circuits we can use  timer circuits with this circuit diagram..This circuit diagram is called robo circuit because this circuit has used to decorate robots that is the reason of using this name.Here we have used D400 transistor and also you can extend the blinking time of the LEDs by changing the values of 100uF and 47K. Note : Don't supply over 6V power for the circuit diagram