I have a Synology DS218 NAS which is a lower end unit but absolutely what I need to back up and manage my photo library. I have become aware of the potential for a power disruption to corrupt the NAS and with a bit too little research purchased a Digitech online UPS which features external device po…

Assuming the protocol is not documented, the first issue is that you probably first need to capture full communication before you can reverse engineer it. For that you may need to borrow a supported UPS first and then use a multimeter and logical analyzer to check voltage levels and analyze the use…

Thanks for the guidance Railroader. My UPS, like many, outputs power status, errors etc for their client monitoring apps via a USB connection but it seems there is no standard approach and many OEM specific formats are used. Likewise while NAS' typically use USB to read the status of the NAS provid…

Change USB protocol

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Railroader January 6, 2025, 7:13pm 2

Please read and use this link: How to get the best out of this forum - Projects / General Guidance - Arduino Forum

Many helpers would ask what You are taleking about. You can also sit down and wait.......

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Change USB protocol

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