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Tag Archives: AAA

Keychain alcohol level indicator

I bought this keychain alcohol level indicator as a curiosity to know how it works. All these cheaper alcoholic level meters have an electronic sensor like this shown below. The operation is simple, a microprocessor measures the resistance of a thin oxide layer ...

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Talking Tom Cat for real!

Who have Android phone may already have heard of Tom Cat, a digital pet that talks to you and can interact with the user. This is a version of truth! The Tom Cat from the phone responds ...

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Mini-digital ammeter pliers

Pliers ammeters are usually expensive, but this is still cheaper than the average: only 12 U.S. dollars. With about one inch in height this instrument measures voltage and resistance using the posts and tips, In addition to using current ...

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Logitech keyboard and mouse MK260

Worth to buy China's keyboard and mouse? Probably not, but this popped up for $ $16,90 in a promotion from DealExtreme and I could not resist. This is a set of mouse and Logitech wireless keyboard model MK260. Was ...

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Digital scale 40 kg with hook

Nothing better to weigh suitcases than a scale with hook. Very cheap, weighing up to 40 kg. Scales with hook generally has higher capacity but less accuracy, only 0.1 Kg. Has a gain at the bottom and a ...

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Powerpoint presenter laser USB SP-350

This device is basically a small laser pointer with a USB receiver that serves to make presentations in PowerPoint. It comes in a box shown below: To make it work on your computer or notebook, the receiver should be placed on USB ...

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