help with power supply - Electronic Circuits Projects Diagrams Free

raviram87 · 12th February 2008, 02:42 PM

hello all...

recently i was working on getting a DC 5V power supply unit... but later i found that my cell phone adapter gives a DC output of 5V... i have a nokia model cell phone and adapter....

i need a help in this regard... i have a multimeter... however my adapter has a single output pin... if i want to check with my multimeter this output voltage of 5v, how should i check it?? i mean how must i connect this pin to my multimeter... wat abt ground? pls help...

Thanks in advance.... :-)

ronsimpson · 12th February 2008, 03:09 PM

Does you 'single output pin' look like this?

raviram87 · 12th February 2008, 05:27 PM

yes.... this is how the pin looks....

ronsimpson · 12th February 2008, 05:46 PM

One "wire" is the inside of the plug and the other "wire" is the outside. I am talking about the silver part. There is a black insulator between the inside and the outside.
Hope this helps.

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12th February 2008, 02:42 PM	(permalink)
raviram87	help with power supply hello all... recently i was working on getting a DC 5V power supply unit... but later i found that my cell phone adapter gives a DC output of 5V... i have a nokia model cell phone and adapter.... i need a help in this regard... i have a multimeter... however my adapter has a single output pin... if i want to check with my multimeter this output voltage of 5v, how should i check it?? i mean how must i connect this pin to my multimeter... wat abt ground? pls help... Thanks in advance.... :-)

12th February 2008, 05:27 PM	(permalink)
raviram87	yes.... this is how the pin looks....

12th February 2008, 05:46 PM	(permalink)
ronsimpson	One "wire" is the inside of the plug and the other "wire" is the outside. I am talking about the silver part. There is a black insulator between the inside and the outside. Hope this helps.