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Old Phoenix Contact terminals with gas tube based surge protection. →

Here is view to an old surge protection terminal. Overvoltage gets directed through 1K5 surge protector to hopefully well grounded DIN rail this terminal is plugged to (component wire makes contact with metallic DIN rail). →

https://www.weforum.org/agenda/2018/03/makerspaces-smart-sustainable-cities-thomas-ermacora/ The suite of new technologies now coming online – from low-cost complex sensors to big data and machine learning – have the ability to map the inflows and outflows of goods and services, allowing cities to precision-track patterns of consumption and waste production. As we speak, maker communities around the world are helping to →

Here is teardown of one cheap car USB charger. It failed after few years of use. Outside Inside Electronics As you can see the fail was in soldering that connected two circuit boards. The fail had ripped of solder pads from circuit board. The soldering quality on some other places also questionable. There is simple →

https://developers.redhat.com/blog/2017/09/13/know-how-restful-your-api-is-an-overview-of-the-richardson-maturity-model/ Let’s say we designed a REST API. How do we know how much Restful API is? Some developers call it “Not Restful API”, some call it “Partially Restful API”, for some, it is “Fully Restful API”, and for some “It is not REST API at all or they call it SOAP based web service”. →

I have earlier tested basic DIY Electronics Tester Kit M168 and more advanced Component tester M12864. Now it is time to test the next improved version of the same idea: Original Hiland DIY M12864 Graphics Version LCR ESR PWM Transistor Tester Kit (was on sale for less than 10 Euros) This kit has same display →

https://techcrunch.com/2018/03/23/the-web-will-soon-be-a-little-safer-with-the-approval-of-this-new-security-standard Transport Layer Security version 1.3 promises to make encrypted connections on the web faster and more resistant to snooping. The approval of TLS 1.3 has been long in coming for four years. The IETF approval is a big step towards the standard being adopted by big companies, web services, and other, higher-level standards. You →

Here is my collection of relevant trend for smart phones in 2018: It seems that crazy growth times in smart phone markets are over at least for some time. The eight-year-long smartphone bubble in China has abruptly come to an end, in yet another warning sign that the global synchronized growth narrative is merely an →

https://m.facebook.com/story.php?story_fbid=1807504889544457&id=1491037204524562 This is pretty funny and informative video on alcohol… →

http://www.commitstrip.com/en/2018/03/22/basic-functionality/ When customer wants easy access to sensitive data… →