My name is CM4-ETH-RS485-BASE-B, which is an expansion board that can be used with Raspberry Pi Compute Module 4, and supports a 7-36V DC power supply and 5V DC-DC power supply of Typc-C interface. Onboard four isolated RS485 interfaces, 100M+1000M dual network ports, HDMI interface, two CSI interfaces, two USB interfaces, etc…
Packages Includes:
1 x Waveshare Dual ETH Quad RS485 Base Board (B) for Raspberry Pi Compute Module 4c
X2 ELF 88MM Micro brushless racing kit
Waveshare USB HUB HAT (B) for Raspberry Pi Series with 4x USB 2.0 Ports
Waveshare 1.3inch LCD Display Module for Raspberry Pi Pico, 65K Colors, 240×240, SPI 








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