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Switch Bounce and How to Deal with It

In this article I will discuss what switch bounce is and some ways to deal with it. First I will take you through the theory, and later I will show you some ways to handle it in both hardware and in software. Recommended level Beginner Theory What is switch bounce? When you push a button, press a mico switch or flip a toggleswitch, two metal parts come together. For the user, it might seem that the contact is made instantly. That is not quite correct. Inside the switch there are moving parts. When you push the switch, it initially makes contact with the other metal part, but just in a brief split of a microsecond. Then it makes contact a little longer, and then again a little longer. In the end the switch is fully closed. The switch is bouncing between in-contact, and not in-contact. "When the switch is closed, the two contacts actually separate and reconnect, typically 10 to 100 times over a periode of about 1ms." ("The Art of electronics", Horowitz & Hill, Sec...

Samsung Galaxy S3 10 Things You Didn’t Know It Did

One of the most feature packed devices on the market at the moment is no doubt the Samsung Galaxy S3. However thanks to the fact that it comes with so many features, it can be possible to miss some. So here we show you 10 the features that you might not know existed on your Samsung Galaxy S3. Samsung Galaxy S3 hidden features roundup (Part 4) If you chose the Samsung Galaxy S3 due to its large display and you are not technically minded then you might be happy to know you can choose to activate an easy UI mode on your device. This means that you will have large pre-set widgets and a simplified setup. All you have to do to get the mode is go into settings and choose the home screen mode. When you are in contacts you can easily call or text people by swiping. All you have to do is swipe left to right if you want to call someone or right to left if you want to text someone. If you want to save battery you can use the power saving feature. This mode will change many aspects on your phone, i...

Latest Tab Google captures your 3D environment It cost U S 1 024

 Google introduces its tablet the Tango Project, a project that handles allow you to create 3D maps of the environment of a mobile device. The Project Tango Tablet, as Google calls it for now, is mainly designed for developers interested in exploring the future of 3D technology on a mobile device can do so and to develop new features that may allow it to another level bringing this technology, as mentioned Google. The 7-inch tablet that goes on sale later this year is priced at U.S. $ 1.024, making it not the cheapest in the market. However, Google's tablet was created with help from Nvidia to allow create internal maps of buildings in 3D, thanks to various cameras and sensors that are in the device. The tablet has a Nvidia Tegra K1 processor, 4GB of RAM, 128GB of storage, Wi-Fi and 4G LTE. Although the Tango Project or Project Tango would be in its initial phase, the new tablet could help take an important step for this kind of technology can reach consumers in the future.