It happens to the best of us. We power up our and immediately run into issues. Be it spotty communication or microcontroller reset or any number of bugs that have us mystified and picking though our code… only to find that it’s a power supply issue. Anyone who has tried doing Raspberry Pi stuff and depended on the USB power from their PC has certainly been bit by this.

It’s the same with larger, more power hungry projects as well. [Nerd Ralph] has been running a mining rig for a few now, and has learned just how important proper power supply management can be. His strategy involves using interlocks to ensure everything powers up at the same time to feedback problems, running a separate ground wire between all GPU cards and the PSU and running the supplies at 220 for the NA folks.

Be sure to check out [Nerd Ralph’s] blog for more details and to power your own mining rig.



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