Showing posts with label led. Show all posts
Showing posts with label led. Show all posts

12/30/2011

Rode VideoMic Pro VMP Shotgun Microphone Review

Rode VideoMic Pro VMP Shotgun Microphone
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I bought this Rode VideoMic Pro Compact Shotgun microphone to go with my Panasonic TM900 camcorder since I travel a lot shooting interviews etc. I needed something that was light and compact in keeping with the scale of the TM900. I had very bad experiences with the Sennheiser MKE300 - wow has that company gone downhill. The Sennheiser had a constant hum and static and I couldn't get enough volume out of it.
I have the Rode Videomic which is good but is too big for the TM900 and I've found it unwieldy for traveling (somehow its Z shape and those rubber bands don't give me a lot of confidence).
The Videomic Pro however is almost a perfect match for the TM900. It fits well into the bracket and there's no problem with fitting the plug into the camera's mic socket (which is set at an angle). I also fitted a larger ring wide angle adapter(the EXII HD7X46)and this does not interfere with the mic.
The audio from the mic is great - it's quite sensitive but reducing to -10DB is generally adequate for normal interview situations - relatively quiet room, one subject facing camera and mic. Setting the internal recording level to 0 seems to do the trick. For quiet voices you can up the mic to 0db or +20db. I have not had occasion to use the latter yet.
The mic also has a high pass filter (HPF) which cuts rumble. I am not sure if this cuts wind sound significantly but will try that later.
The mic does not seem to pick up motor noise from my camera but then I don't do a lot of zooming when I'm filming (and when I have, the mic hasn't picked it up). Like my other Rode mic, it is also suspended on "rubber bands" but this time only two (and they give you spares). The rubber bands can detach quite easily so it's something to be aware of.
I like the inclusion of a LED light to tell you that the mic is on and also to tell you if the battery is ok or not.
I did NOT like the difficulty of inserting the battery. You have to futz around with the front cover which latches onto a groove under the actual barrel of the (foam covered) mic itself and then push up to latch the bottom. The diagram in the instruction book conveniently omits the actual mic! I guess it's always difficult the first time and maybe I'll get used to it. Anyway it's lucky that one good battery will last for around 70 hours (at least that's what Rode claims) so I hope I don't have to change the battery a lot.
Also for this price it would have been nice to get a case of some sort but no such luck. Anyway I use small Pelicans or soft foam bags for packing.
I haven't tried them yet but this mic can also be fitted to a boom, and there is a pistol grip for it. The bottom has a screw thread so you can put it on a stand but you will need an extension cord to reach the camera as the cord that is attached to the mic cannot be removed and is short.
The mic weighs 0.18 lb (86 g) and its dimensions are 1.69"x6.02"x3.74".
Conclusion: if you need a small and light mic for a similarly scaled camcorder, this is a great purchase. I'm very satisfied with it and it does a good job.


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12/08/2011

Striplyte 25 LED 120 Volt AC Warm White & White Light Strip Sample Kit Review

Striplyte 25 LED 120 Volt AC Warm White and White Light Strip Sample Kit
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I have a UV 25 LED strip light from the same manufacturer and I was pleased initially when I received it direct from the manufacturer. Since then, the light has become significantly dimmer (within 2 months) and I discontinued use for a few months. To my dismay, when I plugged it in again, there were 3 intermittent LEDs that would either be dead or barely on.
These strip lights use the same circuit board as mine and i would imagine are prone to this fault. Be sure you order this product with a guarantee from Acolyte (my guarantee lasted only 30 days, hopefully they have expanded customer service since then) because there is a risk that they may not work after a month of use. I also have a 50 LED version of this, and I can attest to its superior lighting abilities with rich color. I am sure that these are just as good, but with my personal experience with the 25-LED module is fair warning for all you potential buyers. The price is about right, but you may be able to snag a better deal from their eBay store.

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12/03/2011

LED Strip Only for Color Changing Mood Strip Review

LED Strip Only for Color Changing Mood Strip
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I have used a few of these things. I'm really big on entertaining and what's great about these is you can really create a cool vibe for your guests. They have an adhesive on the back so you can easily mount these under cabinets or on anything else you can imagine. I'd definately recommend these for anyone, and I plan on pruchasing some more. I went to the sellers website [...] and found some other great mood products, including a color changing bulb that screws in to a standard base.

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11/27/2011

Sylvania LED Strip Linkable 21 Inch Light Fixture, White Review

Sylvania LED Strip Linkable 21 Inch Light Fixture, White
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These sounded like they would be a great replacement for our fluorescent under counter lights of similar length but they really aren't; the light provided is not nearly as bright as the fluorescents and the LED light is somewhat blue rather than white.
Also, the LED's seem to be spaced too far apart, there are shadows within the illuminated area.


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11/17/2011

11/09/2011

Sylvania Under Counter 9" Led Linkable Strip Light White Review

Sylvania Under Counter 9 Led Linkable Strip Light White
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It was exactly what I wanted. It accepts 110VAC directly into the fixture and does not use a power adapter as some others do (which don't easily work if you are replacing a flourescent fixture that has 110VAC directly coming to it). The direct power also means that multiple fixturres can easily be 'daisy chained' together for a long under cabinet run.
The LED light is closer to natural daylight than incedescent, thus making the light slighty blue tinted. This is not as warm as normal bulbs but I found it to be quite aceptable. The light output is a bit dimmer than I had hoped for, but it seems adequate for countertop use. The light is more focused downward and does not spread as much as a flourscent fixture will, thus you should test the mounting position carefully before making the final cabinet attachment.
Also, the bottom of the LED bulbs is a bit lower than the compact flourscent fixture this replaced, thus a short person can see the bulbs now, when they didn't before, but since the light is mainly projected down (see above focus comment) the visability is not a problem.

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10/31/2011

LED Color Changing Mood Strip w/ 2 Strip Lights Review

LED Color Changing Mood Strip w/ 2 Strip Lights
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This is a very cool product with endless possibilities. I built a 48" long, 2 tier glass liquor bottle shelf for my back bar. I installed these light strips under the glass to illuminate the bottles. It looks great! Some bottles light up better than others depending on the contents, glass color and light color. You can dial in a particular color or let it cycle through a range of colors. The brightness is adjustable and there is plenty of brightness with no heat given off. The remote feature is also very handy as you can "play" with the colors. There are manufacturers that make bottle displays on the web that use this exact same product and charge two hundred dollars for the light kit. I'll be buying another unit for a 2nd shelf unit as well as another to install under the front edge of my bar.

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10/21/2011

PPA OLSHARGB Home Accent Multicolor LED Lighting Kit Review

PPA OLSHARGB Home Accent Multicolor LED Lighting Kit
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This is a "starter kit" from "Parts, Peripherals & Accessories International" (PPA Int), the computer accessory company.
Called a 'Starter kit' because it contains a 120v AC to 12v 2amp DC power supply & IR control unit with remote but only two one foot sections of multi-color LEDs, nine LEDs per section.
Easy to install and you can add more one foot sections or even 5,10 & 20 foot rolls. (available separately)
Looks like a maximum limit of 36 feet of LEDs for each 2amp power unit/controller/remote.
You can also buy items like a "Y" connector so that you don't have to run all lights in a straight row.
Also available are four pin connectors, 12v extension cords etc.
See the whole PPA International product listing on Amazon for prices and details.
This kit comes with one male to male connector so you can attach one strip to the other. The strips have female connectors on both ends so that you can either plug in the 12v power cord, or the connector that allows more LED strips.
The male pins are very small diameter so be careful not to bend them while handling.
The LED strips can be curved to some extent, in case you have use for it, or if the surface you are sticking them to is not perfectly flat.
I found these pretty bright on the high setting, but that depends on what other light is in the room I'd say,still I can't look right at them without discomfort. In a totally dark room, you can read by the white setting and even with some of the lighter colors.
Remote is good size (see my photo) and has every control needed to turn on/off, dim, change colors, or make the LEDs do automatic "light show" type things. Flashing, dimming etc.
Looking at the specs printed on the power supply I see that it has 12V DC output, also very happy to see that the power supply module was separate from the control unit, using a round plug to attach to the rest of the system.
I do believe this will also make a fun addition to our camper... this system uses 1(dim)to 5(bright)watts PER FOOT, so should not be a problem plugged into a 12V-120V power converter, or running directly off of a 12V battery if I make a new plug to attach to battery or cigar lighter socket.
Might also explore using some of these strips under the overhang on each step of our stairs to light the stairway to the second floor, even on the dim setting they should be plenty bright enough to do that. Although I would NOT suggest using any of the special "Effects" features on stairs, could cause serious vertigo and a fall.
I can see several areas to use this type lighting since it has remote control.
Power supply cord is 34 inches long
The cord on one side of the controller is 12 inches with the one on the other side being 12 inches, control box is 2 inches long for a total reach of 2 foot 2 inches, not counting the 34 inch cord from the power supply.
One thing to note if it matters to you... the "white" light setting is made with the combo of other colors so it's not pure white and has a color tint to it when in use. Nothing bad, just that it's not white white.
They do sell a lower cost white LED version that has white LEDs.
Also, the small diameter connector pins fit rather loosely so I suggest you wrap a single layer of electrical tape around the outside of plugs when you have them the way you want them.
Product is manufactured in China and is being sold by "PPA International"
Please see my uploaded photos for more details.

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Add energy-efficient lighting almost anywhere with OLS Home Accent Multi-Color Lighting. The multi-colored LED strips are easy to install, allowing you to add just the right amount of white, red, green, or blue light wherever you please. And remote control operation gives you full power over the lighting brightness, shade, and mode.
OLS Home AccentMulti-Color LightingAt a Glance:

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10/10/2011

LED BATTERY Sheer Ribbon Light PINK-35 Fairy Lights-13 1/2 feet Long Review

LED BATTERY Sheer Ribbon Light PINK-35 Fairy Lights-13 1/2 feet Long
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These lights are pretty but they are not well made. As others have mentioned, the switch/battery pack is poorly made. I ordered two of them and one of them did not work when I got it. However, the seller was nice enough to quickly send me a replacement.

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10/08/2011

LED BATTERY Sheer Ribbon Light BLUE-35 Fairy Lights-13 1/2 feet Long Review

LED BATTERY Sheer Ribbon Light BLUE-35 Fairy Lights-13 1/2 feet Long
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These are awseome! I bought them for a festival in the desert and decided to try them out at a concert. I wrapped them around my chest and put the switch box in my pocket. I was on the floor, and they were so bright my friends could see me from the second floor balcony seats at HP Pavillion! The rope is great and the LEDs work very well. It's way better than I expected.

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7/16/2011

LED BATTERY Rope/Ribbon Light RED Fairy Lights-14 feet Long Review

LED BATTERY Rope/Ribbon Light RED Fairy Lights-14 feet Long
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Lights are bright and numerous enough to work well. Like the silvery covering as well. Battery pack is small and fits well in a pocket if walking around. I am worried a bit about a loose connection as sometimes the lights seemed to go on and off. But I will resoder the connection if it breaks.

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7/08/2011

Flexible Lighting Strip 300 SMD LED Ribbon 5 Meter or 16.4 Ft 12 volt Green, 2026GN Review

Flexible Lighting Strip 300 SMD LED Ribbon 5 Meter or 16.4 Ft 12 volt Green, 2026GN
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The LED's look great, and are pretty easy to use. The adhesive they come with is not particularly strong - at least it didn't hold well to the metal I was affixing it to. Since the LEDs have nothing protecting them, they are vulnerable to wear and tear. I affixed these to my bike and had a few get ripped off after loading the bike on the car carrier.

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6/23/2011

Flexible Light Strip 300 SMD Bright White LED Ribbon 5 Meter or 16 Feet By Ledwholesalers, 2026wh Review

Flexible Light Strip 300 SMD Bright White LED Ribbon 5 Meter or 16 Feet By Ledwholesalers, 2026wh
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I initially purchased this item for use in the center console & glovebox of my truck. Now I will be using it for emergency lighting within my home as well. It can be mounted above a door jam, completely hidden (run the wires through the wall), yet provides enough lighting for safety when the power goes off.
I made a few current measurements. 3 LED (minimum strip size) consumes 24 mA. 300 LED (entire 16.4' roll) consumes 1.737 Amps. Each 3 LED section has a 150 Ohm resistor to limit current. A small SLA 12V battery will run a small strip for days/weeks.
Great product, very impressed.

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