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
• Comes with development resources and manual (examples for Pico/Raspberry Pi/Arduino/STM32)

Specifications

Resources

User Manual

Onboard Peripherals

1. UART 2 connection indicator
2. UART 1 connection indicator
3. CH9121 running status indicator
4. Power indicator
5. CH9121 driver chip
6. AMS1117-3.3V power IC
7. RT9193-18GB power IC
8. Ethernet connector
9. Interface pin configuration jumpers

Write a review