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
Official Raspberry Pi 16mm Telephoto Lens for Pi High Quality Camera
Waveshare Adapter Board for Arduino and Raspberry Pi 








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