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THANK YOU ALL
but i would like to ask you can i use an NPN switch transistor
1)the collector to the -ve power
2)the emitter to the ic "trigger pin"
3)the Base to the output of the IC 555
thanks
abdallah
HELP IN DS1669
please i want any one to send me the data sheet of "ds1669" or say to me what is the max_current supplied to it as power supply and the max current of the audio support to it
Hello i am abdallah
i hope every one is ok
i would like to ask an important question
1) what is the diff between ground and negative terminal of the dc power supply.
2) in the inverter when the input is "1" then the out is "0".......this output means that there is no electricty at all...
COIL INDUCTANCE
HI
I HOPE EVERY BODY IS GOOD
PLEASE I WANT ANY ONE TO TELL ME HOW TO DETERMINE THE COIL'S WIRE LENGHT,
THICKNESS,TURNES,KIND OF CORE AND IT'S DIAMETER ACCORDING TO THE INDUCTANCE .
THANKS
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