UsbHx711.pdf

This is the Hx711 interface bringing up to 2 weight scales (and their temperature) to UsbLog via USB (hence called UsbHx711).
The firmware uses the v-usb library...

Adobe Portable Document Format - 105.98 kB - 05/24/2017 at 17:39

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UsbLogger.pdf

This is the mainboard of UsbLog. You could use this with a Compute Module 1 or 3 but since a SD-Card socket is available, a Compute Module 3L seems most appropriate to me.

Adobe Portable Document Format - 362.25 kB - 05/22/2017 at 16:33

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PowerBoard.pdf

This is the PowerBoard providing 5V and doing some management and protection functions.

Adobe Portable Document Format - 123.40 kB - 05/17/2017 at 00:45

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