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- Thu Jun 29, 2017 8:21 am
- Forum: Guides
- Topic: How To - Build the PRS-Tech SNES-Zero
- Replies: 129
- Views: 180545
Re: How To - Build the PRS-Tech SNES-Zero
The reason use the diode is because it only allows power to flow one way. This keeps you from frying your TVs HDMI port if you plug the USB end into something that delivers more amps than it expects. Keep in mind that your TV manufacturer never expected you to plug in something like this and probabl...