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radxa's cm3 is compatible with rpi's cm4, but extra connector gives more io connectivity. having ulx4m compatible with radxa's cm3 module, we can leverage io boards for cm3.
[comparison between cm4 (…
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### Describe the bug
Tracking work raised by https://forums.raspberrypi.com/viewtopic.php?t=331474
DSI0 (only exposed on Compute Modules) seems to have issues when used with vc4-kms-v3d such as th…
6by9 updated
3 months ago
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Does anyone out there know how we are supposed to use the "native" backend?
I am finding that my old code was not working with the C-based backend, because something goes wrong when I pass data fro…
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I am using a CM3 which interfaces with the OV9281 using a custom carrier board.
I have a python script based heavily off of the [capture2opencv.py](https://github.com/ArduCAM/MIPI_Camera/blob/maste…
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Hello everyone. Hello Tidone, thanks for all the work!
Can anyone confirm or deny the functionality of the PCIe socket on the RPi Compute Module 4 IO Board? I tweaked the DTS for more then one day …
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Hello, could someone tell me how to use the PDM capture audio card in rk3566?
We are using these pins for this purpose:
![image](https://github.com/user-attachments/assets/a794fcdf-981a-4977-b26b-…
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Changes compared to the original Raspbian distribution
That include the changes done to the linux kernel if any, but considering that you use `devterm-kernel7.img` for the kernel name is it at leas…
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# raspberry pi cm3 with wifi bt
在使用 CM3 来做一个项目,要用到 WiFi&BT。Pi 3B 上使用的 WiFi&BT 芯片是 BCM43438,在 CM3 上参照 Pi 3B 也用了这颗芯片。本文记录调试过程中查到的一些知识点。
## UART 的 RTS 和 CTS
RTS (Require To Send) 是输出信号,当它输出低电平时,…
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CM3 自带 4GB eMMC。要把 [Raspbian 系统](https://www.raspberrypi.org/downloads/raspbian/) 烧写进去还需要一个底板,通过 USB Device 的方式来烧录。
本文记录在 MacOS 上烧写系统到 CM3 的过程,并分析讨论涉及到的硬件原理。
## 准备工作
### 底板
我买的是一个国产底板 [Com…
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Tried to email m3devel but maybe the list is dead now?
Hi m3devel,
I am trying to follow the directions at
https://github.com/modula3/cm3/wiki/Getting-Started
that went OK
and then bui…