Evaluating PC fans using various 12V power sources
Evaluating PC fans using various 12V power sources
The main idea is to purchase ARCTIC P12 Pro and P14 Pro case fans for a repair project. Since you're in a remote location, you won't have immediate access to test them on your PC. You plan to buy them now and then use 12V LED drivers for testing because all fans run on 12V. I'm checking if this approach is safe and whether testing them could cause damage. Also, considering past experiences with faulty components, I want to know if traveling back to replace parts would be too time-consuming.
If it doesn’t work, just drive it anyways—there’s likely no buying online. Probably it will function, but you’ll need to disconnect the connector or use an adapter cable. Some fans require PWM to operate, while others don’t.
Finding Arctic enthusiasts in a remote area is tough, especially when you're also dealing with a national wildlife park. But it's manageable—I'm okay with that. I plan to visit the regional capital next week and can rely on stores nearby. My idea is to use two short copper wires, connect them at the 12V supply (+V/-V), and then plug the other ends into the 4-pin fan header. Just make sure the +V goes into Pin-2 and -V into Pin-1. This way I can test without risking damage (unless it's a bad plan). Honestly, I was hoping this would work perfectly with a 12V input. I’m also curious about using the same approach for other DIY projects with old fans.
I recall correctly, it seems the fan connector is quite simple to remove, though I might need to verify. It appears to be similar to a tape that can be pulled out easily.
Maybe I should start with a trial run using a faulty fan first, before switching to new ones. I already have identical 12V PSUs at home, so I can safely remove one bad fan and test if it works on the 12V supply. If it fails, I’ll know not to try new fans this way. Otherwise, I might end up building a makeshift blower for my clay oven using PC case fans.
i don’t understand why most 12v leds are analog, so i assume it’s okay for a 12v supply. however, pulses are possible. pwm fans also work in pulses, so the issue isn’t voltage—it’s about how they’re driven. pwm fans tend to be more tolerant of power variations compared to older designs that lacked protections.