D401 module questions
I have used the D405 camera and have some questions on switching to the D401.
1) If I buy the D401 camera module and the D4 vision board for the D401, is the calibration data stored on the D4 vision or on the camera module? Eg will I have to recalibrate the camera myself vs using something like a D405?
2) I've noticed the D401 board seems to have the same connectors as the D4 board v3 used with the D450. Can you use the D450 D4 board with the D401 camera module? The reason for this choice is to get the USBC connector vs the USB miniB one.
3) Finally, on digikey there is an interposer pcb : https://www.digikey.com/en/products/detail/intel-realsense/82635DSITR50P/9925999
Is this compatible with the D401 and D4 board? Is it the same thing as HSF50 or HSF100 flex cable as sold on the intel store?
4) are the HSF50/HSF100/digikey pcb interposer boards compatible with the D401 and D450 and D435 or do they use different cables for the various cameras?
Thanks!
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1. The EEPROM flash memory storage chip that the calibration data is written to is on the camera depth module board. This is confirmed in a table at the top of page 45 of the current edition of the 400 Series data sheet document.
https://dev.intelrealsense.com/docs/intel-realsense-d400-series-product-family-datasheet
Once the depth module and the Vision Processor D4 Board have been joined together with the interposer, perform a calibration and write it to the camera hardware.
2. The D401 must be paired with the V4 version of the Vision Processor D4 Board because of the D401's ability to stream RGB from the depth sensor instead of having a separate RGB sensor and enhance it with the Image Signal Processor (ISP). It therefore cannot be used with other Vision Processor D4 Board versions.
3. The rigid interposer board product performs the same function as a flexible interposer cable such as the HSF cable products, yes. The cables provide the advantage of being able to orient the camera and D4 boards to fit a certain space within a housing such as a product casing or a robot frame.
4. Page 50 of the data sheet lists the RealSense camera models that are compatible with the flexi and rigid interposers, which does not include the D401 model. Pages 54-57 list the design details of the D401 interposer if you are able to construct your own cable, and contact details at the bottom of page 57 for ordering a custom-made interposer flexi cable from a company called Cocom Consumer Electronics Ltd.
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