Submitted 1 year ago by lossykittens@reddthat.com to askelectronics@discuss.tchncs.de
https://reddthat.com/pictrs/image/25e3bd36-a273-4f52-8185-567a61fb37ba.jpeg
Hi all, I have a water pump connected to an adapter (pictured) but I am having trouble getting it to run using any of the cords I had on hand; it calls for using DC-only & 12V (between 9-14). I have tried Googling around & browsing Amazon but I’m a bit overwhelmed with options. Can anyone suggest an adapter that’ll get this little guy pumping? Please forgive my naivety & TIA.
Also, I hope that it’s kosher I ask here. If it’s not, please let me know if there’s a better place. Thanks again.
Since the pump doesn’t seem to mention it does the pump packaging/paperwork mention how many amps it draws?
no worries, something like this would be fine
a 12v 1A power supply is sufficiently basic of a component that i wouldn’t worry too much about like getting a higher-quality one or whatever they’ll all probably work fine
I personally wouldn’t put any unbranded and uncertified AC to DC converter in my home. Without proper regulatory testing and certification it’s a fire hazard.
czardestructo@lemmy.world 1 year ago
What did you hook up? You mentioned using cords? But first off, what you pictured, you need to make sure it’s wired correctly. There is no standard for barrel jacks. The center pin can be positive or negative and the jacket and be positive or negative. If you’re using a generic 5.5x2.1mm female barrel jack most generic 12v power supplies overwhelmingly do center pin positive and jacket negative. Once you get polarity correct check the amperage rating of the supply and the motor. Motors usually require huge in rush current to start and can easily trigger a short circuit protection on the supply output