Dual ETH Quad RS485 Base Board (B) For Raspberry Pi Compute Module 4, Gigabit Ethernet, 4CH Isolated RS485, USB2.0

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₹5,200.54 inc. GST
₹4,407.24 ex. GST
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The Waveshare's Dual ETH Quad RS485 Base Board (B) for Raspberry Pi Compute Module 4 is an expansion board compatible with Raspberry Pi Compute Module 4 and supports a 7-36V DC power supply and 5V DC power supply of Type-C interface. There are four isolated RS485 interfaces, 100M+1000M dual network ports, HDMI interface, two CSI interfaces and two USB interfaces etc are populated on the board.

Dual ETH Quad RS485 Base Board For CM4

Designed For Raspberry Pi Compute Module 4

Connecting With Compute Module 4

Standard CM4 Socket And Suitable For All Variants Of Compute Module 4

More Rich Interfaces

Various Interfaces Including: Dual ETH / RS485 / CSI / FAN / HDMI / Micro SD / USB

Application Examples

Suitable For Raspberry Pi Applications Requiring Multi-Channel RS485 Communication Or Other Industrial Context

What's On Board

Outline Dimensions


Extra Information

CM4 Socket:
suitable for all variants of Compute Module 4
Gigabit Ethernet RJ45 connector, 100M Ethernet RJ45 connector
Isolated RS485 x 4, Power screw terminal x 1
USB 2.0 Type A x 2
MIPI CSI-2 port x 2 (15pin 1.0mm FPC connector)
HDMI port x 1, supports 4K 30fps output
Real-time clock with battery socket and ability to wake Compute Module 4
MicroSD card socket for Compute Module 4 Lite (without eMMC) variants
Fan Header:
allows speed adjustment, 5V
Power indicator × 1, CM4 status indicator × 1, User LED x 2, RS485 communication indicator x 8
Power Input:
93.6 x 108.8mm

Warranty Information

All the products supplied by Evelta are genuine and original. We offer 14 days replacement warranty in case of manufacturing defects. For more details, please visit our cancellation and returns page.