Description:
USB TO 4CH RS485 (B) is an industrial USB to RS485 converter, adopting the original CH344L, with protection circuits such as built-in power isolation, ADI magnetical isolation, and TVS, featuring an aluminum alloy case design. USB TO 4CH RS485 (B) is easy to operate, supports automatic transmission, and offers fast communication, stability, reliability, and safety, making it suitable for industrial devices and applications with high requirements.
h requirements.
Technical Specifications
| Brand | WAVESHARE |
|---|---|
| Interface / Protocol | RS485, USB |
| SKU | AI7651 |
| Weight | 0.29 kg |
| Availability | Out of Stock |
Applications & Use Cases
The Waveshare Industrial Isolated USB To 4-Ch RS485 Converter (B), CH344L Chip, Multi Protection Circuits, Multi Systems Support is a versatile usb interface module used across a wide range of applications including serial communication, industrial automation, data logging, PLC interfacing, and IoT gateway.
Common use cases:
- Converting USB to RS485 for industrial equipment
- Building a data logger for factory sensors
- Debugging embedded systems via UART
This product is ideal for embedded system developers and industrial automation engineers.
Technical Tip: Industrial-grade modules with isolation protect against ground loops and voltage spikes in noisy environments.
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components
- Genuine WAVESHARE product sourced from authorized channels





Diya Nair (verified owner) –
Superb Waveshare Industrial Isolated USB To 4-Ch! Efficiency is high and it runs cool even under load.
Yashwant Yadav (verified owner) –
This Waveshare Industrial Isolated USB To 4-Ch is reliable and efficient. Running my IoT setup 24/7 with no issues.
Riya Saxena (verified owner) –
Excellent Waveshare Industrial Isolated USB To 4-Ch! Output is stable and reliable. Perfect for my electronics project.
Milan Chatterjee (verified owner) –
Nice Waveshare Industrial Isolated USB To 4-Ch. Works as expected for my power needs. Good efficiency.
Rahul Gill (verified owner) –
This Waveshare Industrial Isolated USB To 4-Ch performs flawlessly. Voltage regulation is precise and consistent.
Suresh Bhat (verified owner) –
Superb Waveshare Industrial Isolated USB To 4-Ch! Efficiency is high and it runs cool even under load.
Anjali Sethi (verified owner) –
Decent Waveshare Industrial Isolated USB To 4-Ch. Voltage output is accurate. Compact form factor is a plus.
Anil Srivastava (verified owner) –
Love this Waveshare Industrial Isolated USB To 4-Ch. Compact size and excellent performance. Worth the price.
Atharv Parekh (verified owner) –
Superb Waveshare Industrial Isolated USB To 4-Ch! Efficiency is high and it runs cool even under load.
Urmi Ghosh (verified owner) –
This Waveshare Industrial Isolated USB To 4-Ch is reliable and efficient. Running my IoT setup 24/7 with no issues.
Raghav Vyas (verified owner) –
Great quality Waveshare Industrial Isolated USB To 4-Ch. Powering my entire project board with this. Very reliable.
Dev Gupta (verified owner) –
Okay Waveshare Industrial Isolated USB To 4-Ch. Output is slightly off from specified but within usable range.
Zara Mittal (verified owner) –
Love this Waveshare Industrial Isolated USB To 4-Ch. Compact size and excellent performance. Worth the price.
Arnav Srivastava (verified owner) –
Good quality Waveshare Industrial Isolated USB To 4-Ch. Ripple is low. Suitable for most electronics projects.
Shubham Bisht –
Good Waveshare Industrial Isolated USB To 4-Ch. Output is stable. Gets slightly warm under full load but nothing concerning.
Mukesh Mittal (verified owner) –
Great quality Waveshare Industrial Isolated USB To 4-Ch. Powering my entire project board with this. Very reliable.
Tejas Iyer (verified owner) –
Excellent Waveshare Industrial Isolated USB To 4-Ch! Output is stable and reliable. Perfect for my electronics project.
Ashwin Rao (verified owner) –
Very satisfied with this Waveshare Industrial Isolated USB To 4-Ch. Using it in my solar project, charges perfectly.
Tejas Mishra (verified owner) –
Love this Waveshare Industrial Isolated USB To 4-Ch. Compact size and excellent performance. Worth the price.
Sumit Goyal (verified owner) –
This Waveshare Industrial Isolated USB To 4-Ch performs flawlessly. Voltage regulation is precise and consistent.
Hardik Chopra (verified owner) –
Decent Waveshare Industrial Isolated USB To 4-Ch. Voltage output is accurate. Compact form factor is a plus.
Neha Khanna –
Outstanding! This Waveshare Industrial Isolated USB To 4-Ch supplies clean power to my sensitive circuits. No noise at all.
Milan Bajaj (verified owner) –
Decent Waveshare Industrial Isolated USB To 4-Ch. Voltage output is accurate. Compact form factor is a plus.
Dev Batra (verified owner) –
Good Waveshare Industrial Isolated USB To 4-Ch. Output is stable. Gets slightly warm under full load but nothing concerning.
Raj Dhillon (verified owner) –
Very satisfied with this Waveshare Industrial Isolated USB To 4-Ch. Using it in my solar project, charges perfectly.