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Using the Jetson Orin Nano with CSI Cameras
The NVIDIA Jetson Orin Nano Developer Equipment consists of two 22 pin MIPI-CSI cameras. The Raspberry Pi v2.1 digital camera makes use of a 15 pin connector. You should set up an adapter cable to make use of the 2 collectively. Looky right here:
Background
The Jetson Orin Nano consists of 2 MIPI CSI-2 digital camera connectors with 22 pins. The pitch of the pins is 0.5mm. Earlier Jetson developer kits with CSI digital camera connectors use 15 pins. The additional pins on the brand new connector permit to be used with 4 lane cameras. These kinds of digital camera often have extra decision and better body charges.
The precise connector operates barely in a different way than the earlier technology. The ribbon connector inserts parallel to the board. The sooner technology inserts perpendicular to the board. The ribbon cable is held within the connector utilizing a press match plastic retaining clip. We’ll say that the connectors aren’t specific sturdy, and care have to be taken inserting, clamping, and eradicating the cable.
Gadgets within the Video
Within the video, we use:
- Raspberry Pi v2 digital camera
- Digicam extension cable
- Waveshare Twin IMX219 Digicam Module
The digital camera extension cables can be found in all types of sizes. It is best to go searching for one that matches your wants. Whereas the video describes the Raspberry Pi v2.1 digital camera particularly, most CSI cameras use the identical kind of connection scheme.
It’s a lot simpler to do that in actual life than it seems within the video. The connectors are small, it’s troublesome to not obscure them when filming.
Use with RPI v2.1 Digicam
The older Raspberry Pi v2.1 cameras use a 15 pin ribbon cable. The pitch of the pins is 1.0mm. So as to join the RPi digital camera to the Jetson, an adapting cable is a should.
While you first see the adapter cable, it’s a bit counter intuitive. The 15 pin aspect is wider than the 22 pin aspect! That is as a result of pin spacing, after all.
First, take away the ribbon cable from the Raspberry Pi Digicam. The ribbon cable is held in by a press match plastic retaining clip. The retaining clip is definitely hooked up to the connector, so that you have to be cautious when loosening it. You’ll solely want to tug the clip out 2 or three millimeters to loosen the cable.
Additionally, it would be best to watch out to not scratch the lens of the digital camera. The retaining clip barely overhangs the aspect of the connector. You need to use your fingernail or a small flat blade screwdriver to fastidiously loosen one aspect at a time. It is best to be capable to pull the retaining clip out a few millimeters after which take away the cable.
After eradicating the cable, you’re able to insert the brand new one. The pin aspect of the cable goes in the direction of the digital camera board. Shiny aspect down! Ensure that the cable seats all the way in which into the connector. As soon as the cable is in place, gently press the retaining clip in to seize it. Ensure that the retaining clip utterly closes. Ensure that the cable didn’t wander out when you have been urgent within the clip.
On the Jetson Facet
The Jetson aspect set up course of is way the identical. Loosen the retaining clip, insert the cable, after which tighten the retaining clip. Ensure that the pins on the cable face in the direction of the service board.
There are two digital camera connectors on the digital camera board. There are numerous methods to make the most of them, a method is to make use of a twin digital camera module. Within the video, we use a Waveshare Twin IMX219 Digicam Module. This can be a twin IMX219 sensor digital camera, individuals use them as cheap depth cameras.
There are a number of requirements for the CSI digital camera connectors, with corresponding cables. Many of those cameras ship with cables with totally different connector sizes.
Testing
After set up, you’ll wish to check. There are a number of methods to do that. A method is to make use of the JetsonHacks CSI-Digicam repository on Github, which is helpful should you’re utilizing one thing just like the Raspberry Pi v2.1 digital camera. For different cameras, you might want to change a number of the parameters to get full video constancy.
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