Questions tagged [cm4]

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PCB Ethernet instability - CM4 Breakout Board

I am creating a breakout board for the Raspberry Pi CM4 which should support Gigabit Ethernet and POE. I embedded a magjack onto the breakout board. I am struggling with the connection stability, ...
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Any Hirose DF40C ribbon cables out there? [closed]

I am currently working on a project with compute module 4 from raspberry pi foundation. It is supposed to be very compact so I bought one of the smallest IO boards that I could find. Everything works ...
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How to interface two Raspberry Pi CM4 modules and a SOM CN9130 module

I am working on project that requires two Raspberry Pi CM4 modules and a SOM CN9130 module to communicate each other with a data speed of 1GBPS. Both modules have Ethernet and support the PCIe bus. ...
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Ethernet connection with discrete magnetics

I'm in the process of designing a carrier board for a raspberry pi cm4. Since I want to get everything as small as possible, I'm planning to use discrete magnetics for the ethernet connection. Looking ...
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2 votes
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Raspberry Pi CM4 SD card breakout

I am designing a carrier board for the RPi CM4 Lite (no eMMC) and having trouble understanding the documentation. The CM4 proved a SD_PWR_ON and ...
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