How long can a USB cable be for power delivery.

How long can a USB cable be for power delivery.

I’m planning to use a hue motion sensor in my mailbox to get notifications when my mail arrive, but it is too far away from my house, so I’m planning to use a ikea zigbee repeater on the half way, I want to avoid messing around with mains power outside, so my plan is to make a long USB cable (maybe 20m) and put the repeater in a waterproof box. (the repeater from ikea is a usb dongle and a power supply.

Is this a bad idea? Voltage drop issues?

Published at Tue, 12 May 2020 12:29:48 +0000

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