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Hello everybody, currently i am doing a project which requires using multiples cameras on a single raspberry pi board.
I was wondering if it is possible to use multiple cameras on a single raspberry pi board ? Do you have in mind using the dedicated hi-res camera connected to the special connector on the RPi board? But if you were able to use general-purpose usb-connected cameras, would the os stop you connecting multiple cameras via a usb hub?
thank you for replying, i am interested in option b, since we are looking into capturing jpegs instead of video. Contrary to popular belief, humorous signatures are allowed. "My grief counseller just died, luckily, he was so good, I didn't care." Quite possibly so, but could you give some clues as to why not?
theoretically speaking, how many pi cameras can be multiplexed into one CSI port ? At the most basic, can't the entire interface be multiplexed with tri-state bus drivers to slow-switch from one camera to another?
I seriously doubt it could handle switching between multiplexed camera in any rational and useful way.
Preview would be impossible at any sane fps for example.
If slow frame rates are acceptable, or only one camera will be running at video rate at any time, then there may be two options: a. If so use multiple Ras Pi/camera combinations and feed the compressed streams over a network.
Several USB cameras, only one of which is open at any time b. It's the simplest and possibly the cheapest option, with best performance.
Select a camera, run raspistill for some seconds to get an image and shutdown, then repeat for a different camera.
Speculating, perhaps initialisation of the video core also initialises the camera at a low level and can't be repeated with the system up, because it's a monolithic operation that would break other things, like display.
If it's not possible to init just the CSI / camera, and if init is adaptive to responses from specific camera modules, then it would be impossible init all cameras as one by routing the same commands to all, and impossible to init the current camera without a reboot.
If some custom circuitry and camera management software development is an option for you you may be able to multiplex several Pi Cams onto the one CSI port. I can't say it will work, but it may be a place to i would to connect 2 raspberry pi boards each with their own pi cameras, is it possible to save the jpegs into one storage ? if i am wrong, please point me to the right direction as i am new in electronics. If slow frame rates are acceptable, or only one camera will be running at video rate at any time, then there may be two options: a.
Several USB cameras, only one of which is open at any time b.