I have just completed my rebuild of The Groundhog hexacopter with a Pixhawk2 and NVIDIA Jetson TX2 companion computer. This is in preparation for the coding blogs I am posting and further work integrating depth cameras and machine learning. For those interested, details of the build are posted on my blog at www.mikeisted.com.
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Also working on dual power supply - problem with just connecting in parallel is that if one goes short, it takes out the other. Connecting via a high power Schottky(?) diode should do the trick, I think. Need to do a little reading up, but that's the thought.
Be very interested in knowing more:-)
I live in RCT. Perhaps we will bump into each other one day and swap thought:-)
I have a prototype triple redundant system on my desk... (allied to a TX2 as well)...
Totally understand your reasoning on the safety front. I myself fly a coax quad, along with fixed wings, for the same reason it also has dual power supply from the twin batteries through the full system. the only thing I worry about now is the FC. i believe Marco is working on dual FC at this time.
Hi Lyn,
That's a very good point and thanks for your kind words. I may well build on that angle in the future.
In the first instance, part of this is to investigate exactly what the RFD brings to the table, my main interest being reliability in the field.
Which brings me to my second point. A major cause of drone crashes is the loss of communications, so I am interested in having several ways of communicating, rather than routing everything through one device. It's the same reason that the receiver has potential for dual redundancy (and I may also add a last ditch connection to the iridium network!).
I'm happy to accept I'm paranoid on the safety front, though!
Nice build mate. Any reason why you didn't use the RFD 868X for control, seeing as it has that facility?
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