Development Resources
https://www.waveshare.com/wiki/Pico-ETH-CH9121?store
Overview
Ethernet To UART Converter For Raspberry Pi Pico, 10/100M Ethernet, Enabling Network Communication Through UART
Features
Standard Raspberry Pi Pico header, supports Raspberry Pi Pico series
Onboard Ethernet to UART transparent transceiver, 2-CH UART, standalone transparent transmission for each channel
Onboard jumpers for pin configurations
Embedded Ethernet MAC and PHY layers
Bi-direction transparent data transmission between UART and Ethernet
10/100M, full-duplex/half-duplex auto-negotiation Ethernet interface, 802.3-compliant
Auto-MDI/MDIX, detect and switch cable type automatically
Supports DHCP auto-obtained IP and DNS domain access
Network parameter configuration like chip operating mode, port, IP, via host computer software or UART command
Four operating modes: TCP CLIENT, TCP SERVER, UDP CLIENT, UDP SERVER
Full-duplex or half-duplex UART communication supports RS485 RX/TX auto switch (external RS485 controller required)
Supports virtual serial port software (provided)
KEEPALIVE mechanism support
Specifications
Operating votlage:3.3V/5V
Operating mode: TCP/UDP
UART TTL: 3.3V / 5V compatible
Operating temperature: ~40°C ~ 85°C
Operating current: 140mA
Baudrate: 300bps ~921.6Kbps
Dimensions: 74.54 x 21.00 (mm)
Storage Condition: -55°C ~ 125°C
Package Content
Pico-ETH-CH9121 x1