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acr122u-websocket

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acr122u-websocket

A webserver that connects to a acr122u and exposes it over websocket

    1.1.4

Maintainers
1

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ACR122U Websocket

PyPI - Version PyPI - License PyPI - Downloads PyPI - Python Version PyPI - Wheel

This project enables you to connect an usb ACR122U NFC card scanner to a computer and access it using Socket.IO.

Features

  • Read UUID from nfc cards and send them over Socket.IO.
  • Websocket messages to start and stop the polling for cards.
  • Websocket messages to give a confirmation or error beep and light signal.
  • Automatically reconnect to the reader when interrupted.

Installation

You can install this package from PyPI.

pip install acr122u-websocket

Usage

  1. Connect the ACR122U reader to the computer
  2. Run the app
    python -m acr122u_websocket.app
    

API

You can connect to the webserver using Socket.IO. These are the available events:

polling

Start or stop the polling.

Request
  • start to start the polling.
  • stop to stop the polling.
Reply
  • no card reader connected if no card reader is connected.
  • polling started if the polling has (already) started.
  • polling stopped if the polling has (already) stopped.
  • invalid message if the message is neither start nor stop.

status indicator

Set the status indicator.

Request
  • confim to play the confirming status.
  • error to play the error status.
Reply
  • no card reader connected if no card reader is connected
  • confirm status set if the confirm beep and light have been show
  • error status set if the error beep and light have been show
  • invalid message if the message is neither confirm nor error

card scanned

Broadcasts when a card has been scanned

Broadcast
  • {"uuid": [..]} - An object containing the uuid in the form of a list of integers.

Example

See an example webpage at test.html.

This page is also served on http://localhost:8080/test.

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FAQs


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Socket installs a GitHub app to automatically flag issues on every pull request and report the health of your dependencies. Find out what is inside your node modules and prevent malicious activity before you update the dependencies.

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