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
Mini Self-Balancing 2WD Robot Chassis with N20 Encoder Motors
ACEBOTT Solar Energy Expansion Pack for QD001
ACEBOTT - ESP32 4-DOF Robot Arm Kit
Official USB type-C 15.3W Power Supply For Raspberry Pi 4
ARF Quadcopter Economy Combo Kit
1/4 Cmos 640X480 USB Camera with Collapsible Cable for Raspberry Pi
Raspberry Pi 4 Model-B with 4 GB RAM
Waveshare SX1262 LoRa HAT for Raspberry Pi 868MHz Frequency Band 








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