Woody: If you are translating between 3.3 and 5 Volts I2C domains, I recommend you use the PCA9306, Available from TI or NXP. Adafruit has breakout boards, if you want to experiment.
--- Graham == On Thursday, February 2, 2017 at 12:16:33 AM UTC-6, woody stanford wrote: > > OK, let me explain what I'm doing here. A lot of you realize that what I'm > building here is more of a tiny UAV than a toy drone, but I want to have > enough processing power on-board that I can do whatever I want. > > How its different is my design philosophy in that what I'm trying to do > here is shift the majority of my work to a software domain from a > hardware/power one. I'm just going to breadboard and build the drone, but > all of my flight control will be done with TCP/IP stack with the processor > running a service daemon that provides the guidance I'm looking for. > > It will be based on a force-moment-mass model based on empirical tests > (and weighting the darn thing) that will formally implement a drone control > that is smooth, scientific and possibly autonomous that is 100% done in > software (based on SENSOR and ACTUATOR section in the physical design). In > other words, it will be sweet once finished, capable of long-range > semi-assisted flight. I'm thinking of integrating 4/5G data (via USB model > model) but only pushing across limited numeric data (caching its video) to > keep my usage within plan, but I hope to be able to send a command that > will return (via FTP over 4/5G) a nice compressed JPEG still whenever I > want to see a location. > > I'll just pull the saved video off via manual FTP via wifi once it comes > back into range, or just popping the SDCard on the cam itself (which might > made more sense, though less techy). > > Getting close to that time I need to start ordering stuff from mouser but > I need to get a complete BOM together for the physical stuff. > > I'll keep you guys in the loop on this one (as a lot of the issues I'm > solving are directly related to your projects like voltage conversion) but > I want to warn people that the final result may not be open-source as I > might choose to release it as a boilerplate commercial version. However I > can still make notes here to help in your own projects, and you can shadow > my development and processes to develop your own (possibly open source). > > On Monday, January 30, 2017 at 6:19:30 PM UTC-7, woody stanford wrote: >> >> I posted the remote control for this in Software, but I put a bunch of >> hardware in it so I thought I'd post it here. >> >> >> https://groups.google.com/forum/#!category-topic/beagleboard/software/evSIUcuWfUY >> > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/bd29a8a3-6401-4bf3-b8be-5058a78bef54%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
