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
Raspberry Pi 3 Model A+ with Official Raspberry Pi Case
Pixhawk 2.4.7 Upgraded Flight Controller kit with GPS Module Combo Kit
2-Wheel Drive Rugged Robot Chassis with 37mm 37B280 Gear Motor
Stripe Aluminum Cooling Case for Raspberry Pi 4, Built-In Active Radiator with Fins 








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