How to send data to USB device in node.js using libusb

Question

I have try to get data from device (USB thermometer), following this documentation, but I have not any result.

For getting themperature data from device, I should sen

Answer 1

Use sudo before running your command.

Wrong:

node index.js

Right:

sudo node inex.js

Answer 2

The interface should be declared using the term.interface(interfaceId) method, not term.interfaces[0]

https://www.npmjs.com/package/usb#interfaceinterface

Answer 3

You forgot to call interface.claim().

https://github.com/nonolith/node-usb#claim