3.3 GHz FPV Cloverleaf Antenna
I was curious about how much bigger a 3.3 GHz cloverleaf antenna would be, compared to a 5.8 GHz antenna, to see if it was a viable alternative for FPV downlinks on 250 class mini … Read more...
Electronics | Amateur radio | Nerdy Stuff
I was curious about how much bigger a 3.3 GHz cloverleaf antenna would be, compared to a 5.8 GHz antenna, to see if it was a viable alternative for FPV downlinks on 250 class mini … Read more...
Board cameras used in FPV applications can be quite vulnerable, and sooner or later, through-hole leaded components can fatigue and break off with vibrations.
One of the most fragile components is the crystal.
(Standard designator … Read more...
A “how to” build video for the FPV Camera Shield, so you can bang a set of five of these out in about 15 minutes.
Previously described:
https://vk4ghz.com/the-0-06-fpv-camera-protector-shield/
🙂… Read more...
Another FPV camera died today, and it will be the last open board camera I fit… they are just too vulnerable.
Replacing the dead Effio-V 800TVL is another Effio-V 800TVL, but the variant that comes … Read more...
The DC input socket on this RX-LCD5802 7″ 5.8 GHz diversity monitor had become loose, as I discovered when attempting to charge it one day.
Aside from feeling “not quite right”, you could wiggle … Read more...
What were the Headplay design engineers thinking???
The Headplay HD 7″ Headset picture looks absolutely stunning when fed with a HDMI source, but the lack of clearance with the connector shroud makes it impossible to … Read more...
If you normally need to wear glasses, then rest assured, this is no problem with the Headplay HD 7″ headset.
Picture are worth 1,000 words.
It’s much easier to insert the glasses first, then put … Read more...
Took delivery of a Headplay HD FPV headset, and not along after, took it apart.
As you do!
To help with splitting the two halves, hold the switch panel down with a finger or … Read more...
If you’re wearing a FPV headset, goggles, or perhaps have a ground station being powered off a lipo battery you’ll want a low volts warning, but not a loud ear-splitting alarm going off right next … Read more...
Displaying RSSI on the micro MinimOSD can be achieved without adding the extra wire between it and the FrSky D4R II receiver’s signal pin 2 (used in CPPM mode).
It’s not hard to add the … Read more...
Here we take a look inside the FR632 5.8 GHz diversity 32 Channel Auto Scan LCD A/V Receiver obtained from the Hobby King AU Warehouse for just under AUD$75.
Described as:
First impressions: … Read more...
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 … 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, … 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 … Read more...