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 quad.
So, I converted a … Read more...
Multirotors
VTX Antenna Repair – Check under the sticker!
My favorite VTX antenna is the Aomway 4-leaf cloverleaf (sometimes referred to as a skew planar, but “cloverleaf” actually comes from it’s radiation pattern resembling a four leaf cloverleaf!)
They are cheap, work well, and are the most rugged out … Read more...
LC100-A LC Meter Mods
Apart from measuring regular capacitor and inductor parts, an LC100-A LC meter can be handy tool for measuring the inductance of your mini-quad motor windings, to determine if a particular motor has shorted turns or not.
To make the LC100 … Read more...
FPV Camera Crystal Repairs
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 for a crystal is ‘Y’)… Read more...
How to Build an FPV Camera Shield
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.
[jwplayer mediaid=”5191″ image=”https://vk4ghz.com/wordpress/wp-content/uploads/Poster-FPV-Camera-Shield.jpg”]
Previously described:
https://vk4ghz.com/the-0-06-fpv-camera-protector-shield/
🙂
The $0.06 FPV Camera Protector Shield
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 in a housing:
An … Read more...
More Taranis Momentary Switches
One momentary switch not enough on your Taranis radio?
It’s very straightforward to fit different switches to the Taranis to suit your own requirements.
First, undo the Philips heads screws and separate the case:
I use switch SG as … Read more...
Another Taranis Antenna Modification
This modification was inspired by an article on BoltRC’s blog about replacing the Taranis’ in-built antenna with an SMA jack, which then allows connecting different, higher gain, antennas.
With the BoltRC mod, I didn’t like the idea of hot melt … Read more...
RX-LCD5802 Fixing a Loose Power Socket
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 the charge plug around a … Read more...
Headplay Mini HDMI Lead
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 use many of the common … Read more...
ZTW 12A ESC Repair – Brain Surgery
I’m not exactly sure how this happened, it wasn’t a propeller, but one of the ZTW 12A ESCs was nicked by something as it struck a tree.
Comparing it to another ESC (which has some blown FETs on it), … Read more...
Headplay HD and Glasses
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 the whole thing up to … Read more...
EzUHF Receiver – Replacing a Broken SMA
Ripped the SMA antenna connector off your EzUHF receiver in a crash?
It probably looks like this on the solder side:
Components side:
Whilst the SMA jack fitted on this receiver has a narrow body, all is not … Read more...
Headplay HD 7″ FPV Headset Review
[jwplayer mediaid=”4777″ image=”https://vk4ghz.com/wordpress/wp-content/uploads/Poster-Headplay-Review.jpg”]
Headplay HD Push Button Wire Loom – Be Careful
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 thumb whilst you separate the … Read more...