Quelltext der Seite 4738 – RS485 Board (5V)/en

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'''Documentation notice:''' This technical documentation was independently rewritten from an archived supplier source. Check technical details and commands against the product version and manufacturer documentation before use.

== Summary ==
The RS485 Board (5V) by Waveshare is a communication board for the RS485 interface. It uses an SP485/MAX485 chip and is powered at 5 V.

== Related products at JW Tech ==
* [https://shop.jw-tech.eu/p/4738 4738 – RS485 Board (5V)]
* [https://shop.jw-tech.eu/p/WSAL4738 WSAL4738 – RS485 Board (5V)]

== Technical overview ==
* Category: Modules, RS232/RS485/CAN
* Brand: Waveshare
* Onboard chip: SP485/MAX485
* Supply voltage: 5 V
* Interfaces on the board: RS485 and UART
* Related products in the Waveshare lineup: 2-CH RS485 HAT, 2-CH RS232 HAT, 2-CH CAN FD HAT, 2-CH CAN HAT, Modbus RTU Relay, RS232 Board, RS232 TO RS485, RS485 Board (3.3V), SN65HVD230 CAN Board, USB TO RS485, USB TO RS232/485/TTL
* Available resources: User Manual, Schematic, Code, Datasheets, Software, Dimensions
* Technical support: tickets handled within 1–2 working days; working hours 9 AM–6 PM GMT+8, Mon–Fri

== Notes and version constraints ==
* The source document contains no concrete commands or API calls; no instructions were carried over.
* No information on compatibility, electrical limits, certifications, warranty or safety notes is present in the source text.
* Version-sensitive steps or missing context require human confirmation before deployment.

== Source and revision record ==
* [https://www.waveshare.com/wiki/RS485_Board_(5V) RS485 Board (5V) - Waveshare Wiki]
* Source revision: 69256
* Captured: 2026-08-29T08:42:21+00:00
* SHA-256: <code>7cf7e49af11041179ae39f6ba2cbbeeab5ea45c2549ff2840a961f7bcc189d39</code>