neo_himura
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my voltmeter has range of 0-30VDC and a full scale current of 27.5mA. what is the value of series resistor should i put to convert it into an ammeter with 0-3A range..? thanx
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do i need to change the R7 resistor value? doesnt the internal resistance of the voltmeter effects the total resistance? thanx....
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hi, thanx audioguru.. Now.. I have a analog voltmeter.. can I use the same meter to display voltage and current using a switch to switch between voltmeter and ammeter? cause i know that a voltmeter can be converted into an ammeter by adding a shunt resistor.. how do i calculate the resistor value? thanx
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Sorry, i'm a newbie... can u please include the circuit with the values?..i'm not sure how to connect it.. and what kind of Darlington power transistor sould i use? is 2n6036 ok?
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i would like to add a fan to this power supply without adding another transformer... the fan rating is 12V, 0.19A... can i add this fan to the circuit? how?
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i just finished building this cicuit... and im happy to inform that it works perfectly fine... i followed the original design but i changed the TL081 with MC34071P.. thanx u all