Waveshare ETH TO 232 (A) Stable Ethernet to UART convertor, High-speed, Low-power

Item number: WS81003

MPN: ETH TO 232 (A)


Category: Ethernet to UART

21,41 €

including 19% VAT.,

Short supply

Shipping time: 8 - 10 workdays



Stable Ethernet to UART convertor, High-speed, Low-power


The ETH TO 232 (A) is an accessory board that converts TCP/UDP data to UART data.


  • 10/100M auto-negotiation ethernet interface
  • ARM processor
  • AUTO MDI/MDIX, supports cross-over and straight-through cables
  • Auto-reconnecting, provides a stable connection
  • Flexible serial port data framing, allows kinds of customized packeting
  • Packet broadcast is disabled on UDP mode, more strongly anti-interference ability than similar products
  • Baud rate configurable, 15200bps by default, up to 30.4Kbps
  • Available working mode: TCP Server/TCP Client/UDP
  • Target IP address and communication port are configurable
  • Configured via Serial port OR Ethernet
  • Supported protocols: Ethernet, ARP, IP, UDP, TCP
  • Provided software: TCP/UDP testing tool, Configuration tool
  • Example code: VB


  • Ethernet: RJ45 connector x 1
  • COM port: TTL x 1
  • Protection: built-in 2KV electromagnetic isolation
  • Pinheader: 2.54mm pitch
  • Power supply: 3.3V DC or 5V DC
  • Dimension (L×W×H mm): 33×16.8×13.6
  • Operating temperature: industrial -25~75°C


The ETH TO 232 (A) comes with dedicated software for testing and/or configuring.

TCP/UDP testing tool:

Configuration tool:


ETH TO 232 (A) dimensions

Package Contains

  1. ETH TO 232 (A) × 1
  2. User guide CD × 1


Development resources: demo codes, schematic, datasheets, etc.
Click here to download


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