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LED projector 6 lumens with RCA input

For some time I've been looking for a portable projector for my classes, exactly since Sheldon, the Big Bang Theory, used one of these on the show. I ended up taking courage and buying the shown in the figure below.

Close to $ 100, It was expected that it wasn't a big deal. Until the surprise product accessories: comes with a source, a cable with 3 RCAs, a dust cap and a mini USB connector – USB A.

The projector is very small and has a battery, that lasts between one to two hours of projection. Although this is not such a serious problem: It is possible to connect it to a USB and use it without discharging the battery.

When I saw that the projector has a USB input I thought it possible to connect it to a PC and stream video. Nothing too out of the ordinary. There are equipment with USB video inputs and outputs and even USB video cards. Unfortunately, This projector that cannot.

The only way to design external video via RCA, IE, composite video. This is a problem because usually no computer has composite output, more common in DVD players for example.

If I couldn't use the USB to stream video from PC this projector would be not very useful for me. The USB input it only serves to charge the battery or access the memory card that you can put in the appliance.

There is a mini-USB to USB adapter, IE, Conventional USB, that allows you to connect Flash drives to the projector. Interesting, I could view a video of an external memory. The problem is that there is no audio output, only one internal speaker very quietly.

There are six controls at the top: a “Enter”, four steering controls and a button that acts as “menu”. Best would be if you had a remote control as other more expensive model that saw. It's a little tricky on the projector as it scales a lot when any key is pressed.

Even without input or video memory card there is a rudimentary operating system that lets you adjust brightness, contrast and other projection parameters.

 

The back has a power switch, video input, Mini USB and power input.

On the front there is a focus control that adjusts the projection to far or near.

If you have a USB stick or a memory card plugged into it is possible to play video files, music and pictures. Look at the input selection screen in figure below.

The screen below will show the selection of video files. To test, some Big Bang Theory.

The video quality is reasonable. In total dark you can see the image with details. The resolution is low: 320 x 200, but the expense considering the price.

Below is a photo taken with the projector displaying a screen about 60 inches in total dark. Until the LED on the HARD DRIVE of my computer bugged the visual.

I was a little disappointed with the fact of not being able to connect to the computer, and as for me I sold on eBay. I'm still looking for an LED projector that can connect to the PC via USB port, HDMI or VGA. So far I found only a few very expensive not worth it. Anyone want to buy a cheap projector with composite video input can follow the link below, TinyDeal store.

http://www.tinydeal.com/pt/6-lumens-portable-lcos-micro-projector-p-31036.html

About Adriano

Professor, Engineer and buyer of products crazy China.

One comment

  1. Damn I guess I'm going to buy one of these also projector, and also that show big bang theory is the best, Since sheldon seems a robot knows everything. KKKK big bang theory the best

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