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i found this circuit
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i tested it in protues and it work true.but where is a problem in reality.
in protues first time when i run it, output is off (i want it) but when i make circuit and connected voltage,first time output if on.i became confused.plz help me. :?:
tpetar dear .tank you for circuit.but in this circuit output become off when optocoupler become off.i want to output has became on when opto coupler become on only one time. :roll:
i need a circuit that when normaly close contact become open , output become high and output stay in same status for permanent and
output do not become low when contact has become closed ,again
hi forum
i want to make a switch that when connect 220v ac ,it create a delay about 500ms and then connect 220v ac to a ac motor.
i want to the circuit be passive and has not a dc supply.(similar dimer).
start current is about 15 a and normal current is 5 a
i want know that is there a triac to...
hi forum.
i have a question.is there a simple circuit that transmit audio by wireless data module similar ask module that transmit data by serial.plz hlp me :sad:
hi forum
i had see a cable that one of end it's was rj45(network connector) and other end it's was connected to rs232 .what is this communication? what is it's usage?:?:
hi forum
i have a receiver module 315 mhz.i want to give best of result from it .why has it 2 pin output?plz hlp me
it is picture
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