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by SignOver
Sun Sep 08, 2019 5:57 pm
Forum: Troubleshooting
Topic: Pi4 && Aeotec Z-Wave USB Stick Gen5
Replies: 21
Views: 10297

Re: Pi4 && Aeotec Z-Wave USB Stick Gen5

This device has some very non-compliant behaviours. - On initial connect, it pulls D+ to +5V through a strong pull-up. After 20ms, the pull strength drops which results in D+ dropping to about 4.1V. This is a gross violation of the USB electrical spec. - If I plug this device into either the Pi 4 o...

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