I had purchased this set of mouse and wireless keyboard once, but at first I bought direct from China and had the problem of not having a Cedilla… A shame! After my Microsoft keyboard malfunction I decided to buy ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...