Скачать или смотреть Bonrix Utility: Connect USB-Serial (RS232) Weighing Scales to Web-Based POS and ERP Using WebSocket

Bonrix Desktop Utility: Integration of USB-Serial (RS232) Weighing Scales with Web Applications via WebSocket

The Bonrix Desktop Utility is a software tool designed to enable seamless connectivity between USB-Serial (RS232) weighing scales and web-based applications. Modern browsers do not support direct access to serial hardware devices, which creates a limitation for cloud-based POS systems, billing applications, and ERP platforms that rely on accurate, real-time weight input.
This utility resolves the issue by converting RS232 weight data into a WebSocket data stream that can be consumed by any browser-based application.

1. Overview of Functionality

The utility connects to a weighing scale through a USB-Serial (COM port) interface on a Windows computer. It reads the continuous serial output generated by the weighing scale and exposes it as a WebSocket endpoint (e.g., ws://127.0.0.1:8053).

Any web application that supports WebSocket communication can subscribe to this endpoint and receive weight readings in real time.
This eliminates the need for manual data entry or polling logic within the browser.

2. Core Functional Components
2.1 RS232-to-WebSocket Conversion

The utility continuously reads serial data transmitted by the connected RS232 weighing scale. This data is encapsulated into a WebSocket stream, creating a bridge between the hardware device and the web layer.
Because browsers cannot directly access COM ports, this architecture enables reliable hardware integration without requiring browser plugins or extensions.

2.2 Real-Time Data Transmission

The system pushes weight readings to the connected web application as soon as the scale updates.
Characteristics of the data flow include:

No page reloads

No API polling

No keyboard or human interaction

Immediate response suitable for retail environments

2.3 Integration with POS and Billing Systems

The output of the WebSocket can be used by the POS or ERP system to:

Read live weight

Auto-fill corresponding fields in billing screens

Perform price calculations

Add items automatically to the bill

Reduce billing errors caused by manual entry

This allows web-based POS systems to work with physical weighing scales without changing their core structure.

2.4 Optional Digital Payment Integration

When the POS system receives the final weight and computes the total amount, it may automatically generate a dynamic UPI QR code for customer payment.
The combination of automated weighing and digital payment creates a streamlined checkout workflow.

3. Operational Workflow
Step 1 – Connect the RS232 Weighing Scale

The weighing scale is connected to the computer using either a direct RS232 port or an RS232-to-USB converter.

Step 2 – Launch the Bonrix Desktop Utility

The user selects the COM port and baud rate that correspond to the scale’s communication parameters.

Step 3 – Start WebSocket Service

The utility exposes a WebSocket endpoint.
This endpoint remains active as long as the utility is running.

Step 4 – Configure the Web Application

The WebSocket address (for example ws://127.0.0.1:8053) is entered into the configuration section of the POS or billing software.

Step 5 – Automatic Data Synchronization

Whenever an item is placed on the weighing scale, updated values are pushed instantly to the browser interface.

Step 6 – Perform Checkout

The POS may allow cash-based or UPI-based checkout using the calculated amount.

4. Application Areas

The utility is suitable for any organization using browser-based POS or ERP systems that require weighing scale integration.
Typical use cases include:

Supermarkets and hypermarkets

Grocery stores

Fruit and vegetable shops

Meat and poultry counters

Scrap trading and metal weighing

Packaging and dispatch departments

Warehousing and logistics operations

Retail chains operating cloud-based POS systems

5. Benefits and Technical Advantages

The Bonrix Desktop Utility provides several operational and technical benefits

By serving as a translator between RS232 hardware and modern web software, the utility enables true cloud-first POS system deployment without sacrificing hardware integration.

https://www.bonrix.co.in/bonrix-deskt...

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