Multirotors

3.3 GHz FPV Cloverleaf Antenna

April 12, 2016 by admin

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...

Antennas Multirotors

VTX Antenna Repair – Check under the sticker!

August 24, 2015 by admin

cloverleaf-12954538 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 … Read more...

Dumb Ideas! Multirotors Test Equipment

LC100-A LC Meter Mods

August 12, 2015 by admin

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 … Read more...

FPV Multirotors

FPV Camera Crystal Repairs

August 7, 2015 by admin

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...

Dumb Ideas! FPV Multirotors Video

How to Build an FPV Camera Shield

August 4, 2015 by admin

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...

Build: Blackout 6" Dumb Ideas! FPV Multirotors

The $0.06 FPV Camera Protector Shield

July 29, 2015 by admin

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...

Multirotors R/C TX & RX

More Taranis Momentary Switches

July 14, 2015 by admin

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:

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Antennas Multirotors R/C TX & RX

Another Taranis Antenna Modification

July 7, 2015 by admin

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 … Read more...

FPV Multirotors

RX-LCD5802 Fixing a Loose Power Socket

June 29, 2015 by admin

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...

FPV Multirotors

Headplay Mini HDMI Lead

June 27, 2015 by admin

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...