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Smps help

Abuaga

Sep 28, 2017
1
Joined
Sep 28, 2017
Messages
1
I am new to electronic. I wanted to power my arduino with old smps that I had for it I connected the green wire(psu on) with the black wire( com ground) and used an hdd for dummy load. After that I connected my arduino with 12v line . It worked for about 1 min after which the smps is not starting.

Can anyone tell me what has happened and why.
 

ramussons

Jun 10, 2014
439
Joined
Jun 10, 2014
Messages
439
Some PSU's require a minimum load on 5 volts line. A HDD will not be spinning all the time, it will start and then stop after a few seconds. Try using a 6 volt, 6 or 12 Watt bulb on the 5 V line.
 
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