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Questions tagged [compute-module-3]

For questions pertaining to the Raspberry Pi computer module 3.

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How to login compute module via serial port?

I tried to login to compute module 3 io board from a USB serial port in my PC, but PUTTY just hangs there. Following procedures have been made: raspi-config -> interface options -> serial port -> ...
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1answer
28 views

I2C bus 0 not working, I2C bus 1 is

I am using both the i2c-0 and i2c-1 busses on my raspberry pi compute module 3. I can use i2c-1 no problem. Full comms, can probe the line and see good signals, get good signals back and the good old ...
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0answers
76 views

64bit distribution on compute module 3

I'm trying to run a 64bit distribution on Raspberry compute module 3. I've found that Arch linux have a 64 version of his distribution ( https://archlinuxarm.org/platforms/armv8/broadcom/raspberry-pi-...
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64 views

CM3: Set boot mode by OTP bits

I have a raspberry compute module 3 an I am trying to understand the boot flow and how I can set the OTP bits so that it ONLY boots from the internal memory. The raspberry documentation talks about ...
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52 views

CM3 - How can I use USB_OTG on carrier board? How does this differ from CMIO board?

Currently trying to figure out how to setup USB_OTG on the CM3 using my carrier board. I posted on the RPI forums and got an answer which was to connect pin 4 (ID) on a usb micro AB connector ...
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1answer
210 views

Raspberry Pi Compute Module 3 and IO Board does not detect USB device if it's plugged in before booting

I have a Raspberry Pi Compute Module 3 mounted on an IO board, connected to a (powered AFAIK) USB hub full of devices, and running Ubuntu MATE 16.04.2, with the X server disabled. I've noticed that ...
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0answers
181 views

How to access Compute Module 3 bank 1 GPIO (28-45) in Windows IoT Core

We have graduated from our prototype on Raspberry Pi3 to a custom designed board using the Raspberry Pi Compute Module 3 Lite (CM3L). Now that the GPIO and peripheral devices have been verified with ...
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1answer
764 views

Compute Module 3 BCM43364 WiFi via SDIO

I have a Murata 1FX evaluation kit, and I'm attempting to use it to get WiFi working on a Compute Module 3 (with the CMIO board). It uses the Broadcom BCM43364 chipset, which is similar to what the ...
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1answer
152 views

Mass deployment on Raspberry Compute Module 3.0

I am looking for the easiest method to backup/restore/mass deploy the raspberry compute module. (1000+ pcs) I though about creating an image with raspbian and opencv but I still need to connect the ...
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86 views

GPIO listener on Compute module 3 Pi4J

I am doing a project where I use a compute module 3 with Raspbian Jessi Lite, Java with the Pi4J lib version 1.2-SNAPSHOT. I'm trying to implement a GpioPinListenerDigital on the GPIO_23 like so: ...
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1answer
278 views

MongoDB's Date() method returning Unix Epoch instead of actual date

I have a node app running on a Comfile Pi, which is a RPi Compute Module 3 mounted in the back of a touch screen interface. I'm gathering and storing data using MongoDB, which is running in the ...
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2answers
708 views

How can I enable both the cameras on the Compute Module 3?

I am new to using Raspberry Pi devices. I have a problem with enabling the cameras on the Compute Module 3. When I run 'vcgencmd get_camera' I get the output 'supported=1, detected=1'. The ...
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1answer
304 views

How to use pin 36/37 as UART0 (ALT2) modifying device tree on CM3?

Those pins are defined in the datasheet. I investigated in the config.txt but cannot see any option for those. I only see it for pins 32/33 and 40/41. I then tried checking standard softwares as ...
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453 views

CM3 does not boot. ACT stays solid green

I've got a CM3 module which is working perfectly, and I received my second CM3 last week and I've been trying to clone the first to the second with no luck. I start with the first CM3 and ran: sudo ...
5
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1answer
322 views

getting two camera preview with raspberry pi compute module

You know raspberry pi compute module has two CSI camera inputs. I can connect two camera and activate both of them. I have a project with raspberry pi that I need to preview from both camera ...
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0answers
455 views

Protecting the on-board flash memory content on Raspberry Pi 3 SOM

I'm using the Raspberry Pi Compute Module 3 (CM3) in my latest hardware product for networking and user interface function, as it has small form factor and solid availability (until 2023 according to ...
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1answer
355 views

Which displays can be operated with the Compute Module IO Board V3?

Are there displays that were developed to work with the DSI ports of the Compute Module IO Board V3? I am looking for color displays as well e-ink displays.
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0answers
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Can the Compute Module 3 support 240fps from the Pi Camera v2?

The Compute Module 3 supports CAM1 with 4x Lane CSI MIPI as does the official doc for the Sony IMX219 camera module. It has been explained in many places that the reason the standard Raspberry Pi ...
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0answers
195 views

Connect 2 compute modules with networking

I've recently acquired 4 Raspberry Pi Compute Module 3's. I plan to develop a Circuit board that has built in networking, to allow both compute modules to talk to one another across a local network. ...
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2answers
1k views

Compute module 3 ttyAMA0

just got my hands on the new CM3, flashed a fresh raspbian image on it and noticed ttyAMA0 is not there (it has been used for bluetooth since raspberry pi 3). the only way to get it back is to change /...
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2answers
2k views

Compute Module 3 current/thermal profile

The Pi Foundation just announced the second iteration of the compute module, usefully called the Compute Module 3. In their press release they've dropped some fairly hand-wavey statements about the ...