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60 watt amplifier

This is amplifier circuit 60watt

FM transmitter circuit diagram

This is FM transmitter circuit diagram >>>>>>>>>>>>>>>>>
2km renge 0,.....,.,.,,.,.,..,,.,.,.,..,,.,.,.,,.,.,.,.,.,.,..,,..,,.,.,.,.,.,..,.,,.,.,..,2 Km

Audio signal volume control circuit

This is audio signal volume control circuit .
Push High =S1
Push Low  =S2
So simple circuit  you can make it .....
IC = DS1669  Price BDT:: 630 Tk

R-S Flip Flop circuit

                    This is R-S Flip Flop circuit .

Float switch control pump

This is Float switch control pump . So simple .
You make it now .

FM transmitter

This is a FM transmitter circuit . so simple . You can try to make it .



1/ Q1 is a transistor , 2N3904
2/ R1, R2 is a Resistor , 470ohm , 4.7K ohm
3/ C1,C2,C3, is a capacitor , (102) ,4.7pF , and C3, any uF but volt is 10v
4/ VC1 is a variable capacitor 0-100pF
5/ L1 is inductor ,  0.1uH
6/ MIC1 is electric microphone . 
7/BAT1 is battery  , 9v