Mobile

Karhu Active Pulse teardown

Karhu Active Pulse (W311) was a fitness tracker product that was sold cheaply few years ago. It was quite comfortable on the wrist the UFit application running on Android was just fine (not very good or bad). Most functions go on by pressing that white circle (pulse, sleep monitoring) for about three seconds. You can

HKL Bluetooth beacons and API

I have wondered what the mysterious candy-box-like boxes that have appeared on bus stop signs in Helsinki Finland. HSL has installed at a total of about 1700 of this kind of boxes to bus and tram stops, as well as on buses and trams. They are also coming to metro stations. These small boxed are

Metaverse

Since the late 1970s and early 1980s, many of those in the technology community have imagined a future state of, if not quasi-successor to, the Internet – called the “Metaverse”. Metverse is a vision of the future networking that sounds fantastical. The Metaverse is a collective virtual shared space[1] including the sum of all virtual

Web mobile app simply

Here is a simple method to convert ePanorama.net electronics component data search tool to “mobile app” for Android phone: 1. Go to https://www.epanorama.net/cgi-bin/semi.cgi?keyword= on your mobile browser. 2. Select from your broser menu to create an icon to your smart phone start screen. 3. Now you have an icon that starts this web app as

Koronavilkku Finnish COVID-19 exposure tracking app

Finnish corona-virus tracing app is named Koronavilkku. The Koronavilkku smartphone app is published to help break infection chains. Users in Finland can download Koronavilkku to a smart phone (iOS or Android) free of charge from the most popular app stores and the app can be instantaneously downloaded via the links on the koronavilkku.fi website. Koronavilkku

Stingray and Hailstorm

Security researchers say they have developed a new technique to detect modern cell-site simulators. Little is known about stingrays that exploit flaws in the way that cell phones connect to 2G cell networks, because they are deliberately shrouded in secrecy. Most of those flaws are fixed in the 4G networks, though not all. Newer cell

Micro USB and Apple combined connector

There are standard USB connectors and non-standard special custom connectors in different USB cables. On those special non-standard USB connectors, I have earlier covered Reversible USB connectors that make old USB connectors (like USB A and micro-USB) so that they can be plugged in both ways (like USB type C connector). One day when I

Mobile Trends 2020

I was planning to write some article on the mobile trends on this year based on news-feed from MWC 2020 mobile event, but MWC canceled because of Coronavirus COVID-19. And so some other events. Here are some trends: It seems that smart phones seem to have as much excitement when a new model is released.