Thingiverse
Macpie
door bolmen
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This is a case for a Raspberry compute module 4 and the original I/O board. I created it to have a small desktop computer running Ubuntu 64 bit linux. Cooling works nicely on my overclocked pi (2 ghz). Even under full load I have never had cooling issues.
The cm4 board has built-in flash and 8 gigs of ram wich makes it pretty usable. There's a slot for SD cards in the case.
Airflow is provided by a 40 mm Noctua fan with PWM controller. It connects directly to the I/O board. I wrote a small service (daemon) that controls the fan speed depending on the CPU temperature. Works stable even 24/7. Most of the time this little PC is dead silent. I notice the fan only when temps go above 50° celsius. Source code can be found here: https://github.com/bolmen/fand
The board is mounted using short m2.5 screws. I use m3 flat heads for mounting the bottom plate to the case.
The internal WLAN antenna is not really needed - wifi works fine without it. So I might make a model without the ant
The cm4 board has built-in flash and 8 gigs of ram wich makes it pretty usable. There's a slot for SD cards in the case.
Airflow is provided by a 40 mm Noctua fan with PWM controller. It connects directly to the I/O board. I wrote a small service (daemon) that controls the fan speed depending on the CPU temperature. Works stable even 24/7. Most of the time this little PC is dead silent. I notice the fan only when temps go above 50° celsius. Source code can be found here: https://github.com/bolmen/fand
The board is mounted using short m2.5 screws. I use m3 flat heads for mounting the bottom plate to the case.
The internal WLAN antenna is not really needed - wifi works fine without it. So I might make a model without the ant
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