ULANZI DR-01 RGW DRONE STROBE LIGHT
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Ulanzi DR-01 RGW Drone Strobe Light, retail $16.91, www.ulanzi.com...
Manufactured by Ulanzi (www.ulanzi.com)
Last updated 10-31-20
Do you fly drones after sunset or before sunrise?
Concerned about FAA regulations about drone lighting?
Then the Ulanzi DR-01 RGW Drone Strobe Light is just what the doctor ordered!!!
This is a small, fully self-contained, somewhat light weight (15 grams) strobe that easily attaches to most any drone, and it's stupid bright!!! Even in direct sunlight, it left me seeing spots for several minutes.
It uses six high-powered RGW (Red/Green/White) LEDs, and has three modes (in each color) available with the simple push of a button. It also features a rechargeable battery so it doesn't use a single microjoule of your drone's battery -- and no silly extra wiring that could become hung up in props or otherwise become a nusiance.
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As with any rechargeable product, charge it first (see directly below) and then you'll be ready to rock.
Affix the unit to your drone using the furnished piece of Velcro -- be certain that the area you intend to fasten the strobe to is clean and dry first.
To power it on, press & hold the small black pushbutton switch for two seconds. The unit should then blaze to life -- possibly causing you temporary flashblindness in the process!
To change modes, just click (press and then immediately release) the same button one or more times to get to the desired mode
Steady-on green.
Short blink mode green. Unit flashes two times in rapid succession, stays dark for ~2 seconds, double-flashes again, cycle repeats.
Long flash mode green. Unit turns its LEDs on and off with a duty cycle of 50%; blink rate is 1Hz.
Steady-on white.
Short blink mode white. Unit flashes two times in rapid succession, stays dark for ~2 seconds, double-flashes again, cycle repeats.
Long flash mode white. Unit turns its LEDs on and off with a duty cycle of 50%; blink rate is 1Hz.
Steady-on red.
Short blink mode red. Unit flashes two times in rapid succession, stays dark for ~2 seconds, double-flashes again, cycle repeats.
Long flash mode red. Unit turns its LEDs on and off with a duty cycle of 50%; blink rate is 1Hz.
Like it reads on the backs of many shampoo bottles, "lather, rinse, repeat."
In other words, a tenth button click returns the unit to steady-on green.
To neutralise the product when you are finished using it, press & hold the small black pushbutton switch for two seconds.
The Drone Strobe Light turns on in the same mode that you last had it in before shutting it down; so you need not be concerned with the nuisance of multiple button presses every single time you use it.
To charge the battery in the Ulanzi DR-01 RGW Drone Strobe Light, plug the larger end of the furnished USB charge cable into any USB port on a PC or Mac computer, or into a USB "wall wart" charger often used to charge cellular telephone handsets, and plug the smaller end into the USB-C receptacle on the strobe -- AFTER pulling back that protective rubber bung first.
You can also charge the Ulanzi DR-01 RGW Drone Strobe Light in the field if necessary, using a USB power bank often used for charging cellular telephones. I always have an Atomic Charge Wallet on my person; a product like this is perefectly kosher.
When charging, a blue LED will turn on; this indicates that the product is receiving power and is charging.
Once the charge cycle is complete, this light will extinguish.
The Li:Po cell has inbuilt overcharge protection, so no damage will occur if you plug it into the charger and subsequently forget about it.
It is not stated as to how long it takes to charge.
A full charge can last up to 20 hours when flashing and 120 minutes in continuous on mode.
This instrument is reasonably durable, but because it simply wasn't designed to take significant abuse, I won't perform, "The Smack Test" on it. I know you love to see me break things, but it ain't gonna happen today, folks.
I will also forego, "The Toliet Test" for much the same reason.
This is also not a flashlight meant to be used every bloody day, thrashed, trashed, and abused. So I won't try to drown it in the cistern ( toliet tank), bash it against a steel rod or against the concrete floor of a front porch in effort to try and expose the bare Metalmarineangemon - er - the bare Metalkumamon - um that's not it either...the bare Metalwargrowlmon...er...uh...wait a sec here...THE BARE METAL (guess I've been watching too much Digimon again! - now I'm just making {vulgar term for feces} up!!!), let my mother's big dog's ghost or my sister's kitty cats spring a leak (uranate) on it, hose it down with a gun, run over it with a 450lb Quickie Pulse 6 motorised wheelchair, stomp on it, use a medium ball peen hammer in order to bash it open to check it for candiosity, fire it from the cannoñata, drop it down the top of Mt. Erupto (I guess I've been watching the TV program "Viva Piñata" too much again - candiosity is usually checked with a laser-type device on a platform with a large readout (located at Piñata Central {aka. "Party Central"}), with a handheld wand that Langston Lickatoad uses, or with a pack-of-cards-sized device that Fergy Fudgehog uses; the cannoñata (also located at Piñata Central) is only used to shoot piñatas to piñata parties away from picturesque Piñata Island, and Mt. Erupto is an active volcano on Piñata Island), send it to the Daystrom Institute for additional analyses, or perform other indecencies on it that a flashlight might have to have performed on it. So this section of the web page will be ***SIGNIFICANTLY*** more bare than this section of the web page on a page about a flashlight that was born to be a flashlight and nothing but a flashlight.
Although the Ulanzi DR-01 RGB Drone Strobe Light isn't intended to be used as a flashlight, you *CAN* use it as one by pressing the button until you reach warm white steady-on mode.
In my opinion, it isn't quite as bright (LED-for-LED) as the Anti-Collision Strobe for Drones, but remember, this light has six LEDs rather than two that the other one has.
Water-resistance appears to be adequate at worst; there is a rubber bung that fits over the USB-C charging port to help keep rain, wolf pee, mud, diet Fanta orange pop, coffee, bird shit, and other nasties outside where they belong. It isn't totally WATERPROOF, but it is weather-resistant at absolute minimum. So if the weather is good enough to launch your drone, I think it'll be good enough for the Ulanzi DR-01 RGB Drone Strobe Light.
The "steady-on" mode does not appear to use PWM (Pulse Width Modulation) -- at least not at an optically-detectable frequency. I tested this by rapidly waving the unit about while it was energised; if it employed PWM in the lower-AF range, I would have seen the light blinking rapidly on and off; but the light appears to be truly steady-on.
Here's a brief video demonstrating this:
Brief video on YourTube showing the Ulanzi DR-01 RGB Drone Strobe Light's modes.
In this video, you can see it affixed to my Contixo F24 1080p Brushless Foldable Drone and being switched through its various modes (red LEDs first, then green, then warm white).
Photograph of the product emitting red light.
Photograph of the product emitting green light.
Photograph of the product emitting warm white light.
Photograph of a room at ~10 feet; red light.
Photograph of a room at ~10 feet; green light.
Photograph of a room at ~10 feet; warm white light.
Spectrographic analysis of the phosphor white LED in this strobe.
Spectrographic analysis of the white LED in this strobe; spectrometer's response band narrowed to a range between 435nm and 465nm to pinpoint native emission peak wavelength, which is 451.180nm.
Spectrographic analysis of the white LED in this strobe; spectrometer's response band narrowed to a range between 515nm and 535nm to pinpoint phosphor emission peak wavelength, which is 524.780nm.
The raw spectrometer data (tab-delimited that can be loaded into Excel) is at dsl-w.txt
Spectrographic analysis of the red LED in this strobe.
Spectrographic analysis of the red LED in this strobe; spectrometer's response band narrowed to a range between 620nm and 640nm to pinpoint emission peak wavelength, which is 632.980nm.
The raw spectrometer data (tab-delimited that can be loaded into Excel) is at dsl-r.txt
Spectrographic analysis of the green LED in this strobe.
Spectrographic analysis of the green LED in this strobe; spectrometer's response band narrowed to a range between 505nm and 525nm to pinpoint emission peak wavelength, which is 517.180nm.
The raw spectrometer data (tab-delimited that can be loaded into Excel) is at dsl-g.txt
Spectrographic analysis of the blue, "charge cycle in progress" LED in this strobe.
Spectrographic analysis of the blue, "charge cycle in progress" LED in this strobe; spectrometer's response band narrowed to a range between 455nm and 475nm to pinpoint emission peak wavelength, which is 464.560nm.
The raw spectrometer data (tab-delimited that can be loaded into Excel) is at dsl-b.txt
A beam cross-sectional analysis would normally appear here, but the ProMetric System
that I use for that test was destroyed by lightning in mid-July 2013.
TEST NOTES:
I purchased this on Ebay on 06-03-20 and it was received on the early-afternoon of 07-01-20.
UPDATE: 00-00-00
PROS:
Somewhat light weight
Very decent intensity
Rechargeable
Does not use drone's power; fully self-contained
No messy wiring
NEUTRAL:
Water-resistance could be a bit better -- but since I don't fly in the rain, this is not a negative!
If you lose the charge cable, make certain you get one with a USB-C connector on one end
CONS:
Seems a bit on the large side, but that's just me.
MANUFACTURER: Ulanzi
PRODUCT TYPE: Ulanzi DR-01 RGW Drone Strobe Light light for drones
LAMP TYPE: Unknown-type high-power RGW (Red/Green/Warm White) LED
No. OF LAMPS: 7 (6 high-power RGW, 1 blue)
BEAM TYPE: Wide flood
REFLECTOR TYPE: N/A
SWITCH TYPE: Momentary pushbutton on/mode change/off on rear of unit
CASE MATERIAL: ABS plastic
BEZEL: Water-clear transparent plastic top
BATTERY: 3.7 volts, 250mAh Li:Po rechargeable cell
CURRENT CONSUMPTION: Unknown/unable to measure
WATER- AND URANATION-RESISTANT: Light to moderate sprinkle-resistant at maximum
SUBMERSIBLE: ¡¡¡SATANÁS LLEVA UN PAÑAL SUCIO, NO!!!
ACCESSORIES: Battery (preinstalled), USB-to-USB-C charge cable, two pieces of Velcro
SIZE: 44.20mm L x 28.10mm W x 18.50mm T (incl. Velcro pad)
WEIGHT: 15g (0.53 oz.) incl. battery and Velcro pad
COUNTRY OF MANUFACTURE: China
WARRANTY: Unknown/not stated (probably guaranteed against DOA at minimum)
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