Sometimes you wish you had a very small basic oscilloscope that would be easy to carry around as tool for those situations where you need to more measuring that can be done with your multi-meter. One day I found an oscilloscope kit DSO150 while browsing the banggood.com site. This model was originally only available as →
https://www.boredpanda.com/forest-animals-photography-ossi-saarinen/ Many people think of Finland as the land of cold weather and darkness. Ossi Saarinen brings delightful feelings through his photos of spectacular Finnish nature. The photos especially concentrate on the details of untouched forests covering almost three-quarters of the whole country. Finnish animals also appear to be very mysterious, fascinating and charming. →
Android smartphones and PC use TRRS headset connectors. You can find details on that interface on my Telephone handset to smart phone and laptop posting. Ealier PCs used two TRS plugs (mic and headphones) for headsets. Because both connection types are still in use, sometimes adapters are needed. Here are some details of those adapters. →
Many electronics devices have many screws in then. So opening them and closing (for repair or tear-down purposes) with normal screwdriver can feels sometimes as work. For bigger devices I use a small RYOBI cordless screwdriver with adjustable torque setting. It is suitable for medium size screws found in many electrical devices. But for those →
I have written about fluorescent lights technology and fire dangers related to fluorescent lights. I had earlier covered the problems related to starter, bad tube and ballast overheating. Now there is another risk to consider: most fluorescent lamps powered from 230V AC have a filtering capacitor on power input between live and neutral. This is →
https://www.tomsguide.com/us/apps-selling-location,news-28798.html Back in October, Tom’s Guide reportedthat it’s possible for cheap mobile advertisements to spy on you through your phone. Sales of location-targeted advertising reached an estimated $21 billion this year. This morning, a report from the New York Times warns that smartphone apps do that also for profit: More than 1,000 popular apps contain →
https://www.nature.com/articles/d41586-018-07448-0 Technological advances are transforming what researchers can study at the atomic scale. Using an ultra-sensitive detector that the researchers had created and a special method for reconstructing the data, they resolved features in MoS2 down to 0.39 angstroms, two and a half times better than a conventional electron microscope would achieve. The advanced transmission →
https://techcrunch.com/2018/12/02/bright-spots-in-the-vr-market/ Virtual reality is in a public relations slump. Two years ago the public’s expectations for virtual reality’s potential was at its peak. But still today the holistic VR experience is still a non-starter for most people. Can we extrapolate beyond the current state of affairs to a magnificent future where the utility of virtual →
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