The Shop > Electronics & IC Programing

Digital oscilloscope project/kit

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John Rudd:
Many of the older style at power supplies had -12v for the genuine serial rs232 ports..... If you come across summat that might be useful, check the label on it...

I think modern day psus dont cater because of usb.......

 A suitable supply can be made from a 9v ac transformer, 2 diodes, a couple or three capacitors and a 7805 regulator.....for starters...

Shout up if any help needed... :zap: I'll try and find someone who knows about this stuff... :lol: :lol:

kayzed1:
PC psu

https://www.google.co.uk/imgres?imgurl=http://cdn.makezine.com/uploads/2014/04/da87333a_atx24-1bcq.jpg&imgrefurl=http://makezine.com/projects/computer-power-supply-to-bench-power-supply-adapter/&h=1200&w=2132&tbnid=RxJlE_7aG5jGQM:&tbnh=131&tbnw=232&docid=fxYEqitmph33xM&usg=__3jHSveXxfrOggSn7kVdzrFYBUmc=&sa=X&ved=0ahUKEwjX976x64HKAhUEXRoKHUjiBasQ9QEIIzAA

kayzed1:
I think i have a spare 300w unit in the shed Rob. Ow! and an adapter to link to it to give the screw conector thingy's. I made a couple for mates a while back.
Lyn.

RobWilson:
Cheers For the offer Lyn  :beer: I may take you up on it   :thumbup:


Thanks for the link to ,interesting and helpful . I think you can now get a breakout board for computer PSU's


I have attached the PSU  circuit drawing ( re done by my very own hand )  that came with the function generator .


Cheers Rob


EDIT  corrected PSU circuit diagram 

RobWilson:
they do https://proto-pic.co.uk/atx-breakout-board-bench-power-supply/?gclid=Cj0KEQiA-4i0BRCaudDcrrnDi6kBEiQAZSh5f7HacIirg9OqGRTUPSx2NtcgnfsOxdP_Gq7kYD7R62UaAuMK8P8HAQ

and ebay

http://www.ebay.co.uk/itm/24Pins-ATX-Benchtop-Power-Board-Computer-Power-Supply-Breakout-Adapter-/181964686234?hash=item2a5df0c39a:g:C5IAAOSwk1JWcpK2


Rob

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