USB HID to String (Barcode Scanner)

USB HID

This project can be used with Windows, Linux, and Mac.

Follow the instructions here to get started.

This flow gives an example of how to set up and test a USB HID input.

The most common example would be a barcode scanner.

[{"id":"cbae0763803aa6e9","type":"group","z":"3b6a718c4021497b","name":"USBHID","style":{"label":true},"nodes":["78f82fb335672aca","c1ecae6308a0525f","d99660be8c6c6066","546ab3a525f72ecc","1b5120024bf4bc62","f8d8cae1919e186c","e1d69c8863f6de73"],"x":34,"y":19,"w":692,"h":122},{"id":"78f82fb335672aca","type":"debug","z":"3b6a718c4021497b","g":"cbae0763803aa6e9","name":"debug 2","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","statusVal":"","statusType":"auto","x":460,"y":60,"wires":[]},{"id":"c1ecae6308a0525f","type":"getHIDdevices","z":"3b6a718c4021497b","g":"cbae0763803aa6e9","name":"","x":300,"y":60,"wires":[["78f82fb335672aca"]]},{"id":"d99660be8c6c6066","type":"inject","z":"3b6a718c4021497b","g":"cbae0763803aa6e9","name":"","props":[{"p":"payload"},{"p":"topic","vt":"str"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"","payloadType":"date","x":140,"y":60,"wires":[["c1ecae6308a0525f"]]},{"id":"546ab3a525f72ecc","type":"HIDdevice","z":"3b6a718c4021497b","g":"cbae0763803aa6e9","connection":"68a0ec4b6af1dcb1","name":"","x":290,"y":100,"wires":[["e1d69c8863f6de73"],[]]},{"id":"1b5120024bf4bc62","type":"inject","z":"3b6a718c4021497b","g":"cbae0763803aa6e9","name":"","props":[{"p":"payload"},{"p":"topic","vt":"str"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"","payloadType":"date","x":140,"y":100,"wires":[["546ab3a525f72ecc"]]},{"id":"f8d8cae1919e186c","type":"debug","z":"3b6a718c4021497b","g":"cbae0763803aa6e9","name":"debug 3","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","statusVal":"","statusType":"auto","x":620,"y":100,"wires":[]},{"id":"e1d69c8863f6de73","type":"function","z":"3b6a718c4021497b","g":"cbae0763803aa6e9","name":"Hex to String","func":"const hexBuffer = msg.payload;\n\n// Convert the hex buffer to a Buffer object\nconst buffer = Buffer.from(hexBuffer, 'hex');\n\n// Convert the Buffer to a string\nconst string = buffer.toString();\n\n// Assign the string to msg.payload for further processing\nmsg.payload = string;\n\nreturn msg;","outputs":1,"timeout":0,"noerr":0,"initialize":"","finalize":"","libs":[],"x":470,"y":100,"wires":[["f8d8cae1919e186c"]]},{"id":"68a0ec4b6af1dcb1","type":"HIDConfig","vid":"1504","pid":"1536","name":"Barcode Scanner"}]

Flow Info

Created 1 year ago
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Node Types

Core
  • debug (x2)
  • function (x1)
  • inject (x2)
Other
  • HIDConfig (x1)
  • HIDdevice (x1)
  • getHIDdevices (x1)
  • group (x1)

Tags

  • HID
  • barcodescanner
  • flowfuse
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