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This is so useful circuit for Rc lovers.Because you can use this circuit simply for your Rc plane or RC car.Here I have used common IC NE 555.So easily you can find it. Note * This circuit operates with 6V power supply.

This is very useful circuit diagram.You can get 5V through this circuit.D1.D2,D3,D4 are IN 4007 diodes. Note * Don't exceed the 100mA * This is 110 V power supply

This is a night lamp .This circuit operates with 3V power supply. Here I have used famous IC max660.Use a white LED to light up this.Use a pcb to build these circuit. Note. # Don't give more than 3V power # Use white color LEDs

This is simple delay circuit.When you change the value of cap the time delay will be changed.I suppose beginners can learn a lot from this circuit and this circuit gives you to build or fix new circuits. Note # This circuit can be operated with 4.5V power supply

This is very useful circuit you can transmit audio signals by using this circuit.You can send signals for about 4m.Q1 can be PNZ154, PNA1605F, BPW77NA or BPW85. Note # this circuit can be operated with 9V power supply

This is simple flasher circuit diagram.Here I have used common Transistor 2N3055.This transistor can drive up to 10A.B1 and B2 are 24V/25W.Changing the value of R1,R2,C1,C2 you can control the speed. Note # This circuit operates with 24V power supply

This is simple lite activated switch.Here I have used photo diode.When the light falls on it and when it close this circuit operates.Use 9V relay for this circuit. So now you can enjoy this circuit

This is dark activated Circuit here you can operate this circuit from dc but you can control AC Bulb.I took this circuit from my old book.When I was in my child hood I made lots of circuit like this.

This is so simple circuit diagram.you can power this circuit with 1.5V power supply.To get maximum results please build this on a PCB

This is famous LED circuit diagram.You can operate this circuit with 9V power supply.If you want to change the speed of the LED bulbs you can change the value of 100K resistor. Note build this circuit on a pcb

This is fan controller circuit diagram.This circuit can operate the fan automatically.Here we have used supply from the transformer’s auxiliary 12V winding.we have used famous Ic LM 741 here Note # Build this on a PCB

This is so useful circuit diagram .This circuit can out put 1.3V when we supply 5V.You can us this circuit for various purposes.