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There are many sensors that go into devices, such as temperature sensors, pressure sensors or even hemoglobin oxygenation sensors. Many of the sensors are made by engineers to be very precise and also very linear in their response. However, they are expensive and most hobbyist look for alternatives to the sensors. Sometimes, it is possible…

Business cards are used all the time for people to exchange contact information. The technology for exchanging cards using standardized pieces of paper has not changed for many years. The basic idea has remained the same, take the paper and put it in your files. Several companies have developed things that would enable easy exchange…

Another series of sensors, this time for monitoring quality of local weather. There are many weather solutions out there but neatatmo intends to monitor the local (backyard) weather accurately and make specific graphs and reports about the hyper-local weather rather than rely on weather channels that supply the general weather. The instruments and the sensors…

Typically sensors are built into a mobile device and there are many applications of the sensor with a good interface. However, using those sensors require special programming or something that we all have “a phone app”. These are now almost all complete and so there is probably an app for whatever you need even if…

There are many devices that measure activity and Shine is another one. The strange thing is that it has not been released but it still seems interesting to people. It is waterproof and it is small. The device is something that would be useful to the people with FitBit and other Fuel band’s out there,…

Lapka is an interesting company. In this dangerous world it thinks we need sensors that measure things. These sensors measure radioactivity (Geiger counter), electromagnetic fields, humidity and organic content of food. These devices are not new. Many companies make them but they do it very elegantly. Their devices look good and hopefully are as functional…

Kidneys perform an essential function in the body of removing the waste – salts, many metabolites and also many other waste substances. However, in many patients this kidney is damaged and there are only two possibilities for these patients: 1.Kidney transplantation – very difficult to do, very expensive and very difficult to find a donor…