Finally got her to fly with the lights on. There are a lot of problems with lightbulbs reflecting on reflective surfaces. These problems never happened with IR, but IR should be no different.
Detecting the XYZ of a spinning object with 1 camera in high shutter speed mode is really hard. It would be easier with 2 cameras.
There is a new…
Just press start & it flies itself. A self contained autopilot was the goal.
There were a number of options. Wifi ended up having too many dropouts to be used in any feedback loop, but would have to be used when communicating with a tablet. …
The Blade MCX is a favorite of indoor micro UAV autopilot designers, even in the age of micro quad copters. The time had come to automate one.…
After a rough start in Summer 2011, pan/tilt vision systems have emerged as the ultimate solution for indoor navigation. No surprise, after the success of the Kinect. This was the most advanced,…
It may be that the blog reaches more people on RCGroups than DIY Drones. The audience of both tends to be the same RC pilots, not electronics designers, but RC Groups tends to be frequented by more electronics designers while DIY Drones is frequented by more absolute beginners.
Because of the lack of jobs, the Marcy class…Continue
So sonar was officially back again for another swing at a home run, with a lot more clockcycles.
Further progress requires starting to desolder the Heroine 2200 boards. That was the 1st robot. The ages from 25-30 were spent purely devoted to that 1 thing, while everyone else was clubbing & getting…
Blue becomes visible 1st.…
Marcy 2 finally does the 1st step in flight: stabilized rotation on the ground, using the onboard camera & blob detection. Making the RPM slow enough for maximum efficiency makes it too unstable to take off without active control.
It took only 1 week for the super simple ESC…Continue
Bodge work continues, in the pursuit of supplying the required current in the smallest possible space. The LM1117 was the only thing available locally. It makes 3.25V at 800mA with a…
Stepped the wireless down to 11megabit & the range definitely increased. It uses a lot more power because the transmitter is on longer, but the penetration is much better.
Found another 64k of RAM on the STM32F4. It's the…
If you don't have dreams of launching a UAV project on kickstarter, making zillions of dollars, & quitting your unemployment compensation, you're crazy. So here's a quick graph of kickstarter funding for "currently funding" LA…Continue
Various modes of Marcy 2's fully functioning wifi camera are shown. A 168Mhz 128k RAM chip compresses JPEG & streams on 802.11g. As the frame size increases & color is enabled, the framerate goes down. Body movement around the antenna makes it drop packets. It still compresses a lot faster…