Raspberry Pi 4B may be used for both USB and Wi-Fi connection to DJI Pocket 2
Raspberry Pi 3A+ may be used only for USB connection to DJI Pocket 2
It's good for clean video HDMI output, for local/internet streaming, for controlling DJI Pocket 2 camera from USB joysticks/gamepads or from keyboard/mouse in client application.
It's not good for DJI Pocket 2 remote control for operator with HDMI monitoring, because HDMI shows only clean video, no recording state, no image values.
It's good for remote controlled DJI Pocket 2 camera with HDMI video sender and video display for operator, mostly for using with cable cams, pole cams, etc. In another words, if operator controls camera with any standard RC system (for RC planes/drones/cars) and want to see current status on HDMI - camera image values, recording state, etc.
It's not good for local/internet streaming use cases, because Raspberry Pi 3A+ has only Wi-Fi, no Ethernet port.
All Raspberry Pi models has an own power scheme. Raspberry Pi may be powered from standard power input - micro-USB or USB-C port (RPI4B only), from GPIO, from PoE.
RPI4B only: when USB-C is busy for camera connection - need to power RPI from GPIO or with PoE.
When i fixing a bugs or adding some new functions - i publish a firmware update file. It's a small archive with software. Not needed to install a full microSD image, need just to install update file in web interface or in CosmoViewerNG application.
License key is a text string, unique for each device. Each camera type needs different license keys. It's possible to install multiple amount of license keys on one device and use this device for some camera types, i.e. Pocket Osmo, Pocket 2, and others. Additional licenses price is much lower.
Cosmostreamer may be connected to DJI Pocket 2 in two ways - using a USB cable or via Wi-Fi (if a Wi-Fi adapter is plugged to DJI Pocket 2).
I highly recommend using a USB connection because Wi-Fi is very unstable!
Only USB-C port on Rapberry Pi 4B may be used for DJI Pocket 2 connection via USB.
Q: Does object tracking work?
A: On DJI Pocket 2 object tracking works only with Wi-Fi connection from Cosmostreamer to Pocket 2 and doesn't works with USB connection
Q: Can I just unplug the power cable from the box??
A: Yes, the file system on the microSD is in read-only mode, so you can unplug the power cable without any problem
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