The Naze32 Flight Controller has a “lost model beeper” output, which looks like this on the schematic diagram:
We can see the beeper output is an open collector transistor, pulling one side of the piezo down to ground.
The … Read more...
Park Rangers in Africa are using a DJI Phantom to herd pesky elephants away from farmers crops.
[jwplayer mediaid=”4588″ image=”https://vk4ghz.com/wordpress/wp-content/uploads/poster-herding-elephants.jpg”]
Originally aired on ABC-TV News 24 on Wednesday 20-5-2015.
🙂
It appears to be a common problem – the Xiaomi Yi action camera’s lens has been incorrectly preset in the factory.
I’m guessing the Chinese assembly workers set the focus on something no further than ~ 50cm within their own … Read more...
To increase 5.8 GHz FPV range and minimise receiver dropouts, a broadband microwave LNA (Low Noise Amplifier) is assembled and tested.
Whilst you could use a gain antenna like a helix, or quad patch antenna, extra antenna gain comes at … Read more...
Micro MinimOSD is a tiny On-Screen Display board that works with the Naze32 flight controller and came from Buzz Hobbies in Perth.
First thing to do was solder up Video In, GND, and Video Out wires up to the … Read more...
Following on from the prototype FPV microphone preamplifier assembled on Veroboard, a double-sided PCB was designed in DipTrace and the gerber files were sent to iTead studio, where 10 PCBs can be made for a paltry USD$10 + postage.… Read more...
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