Archive for May 2019

Useless device kit

A useless machine is a device which has a function but no direct purpose. Typically it is an amusing engineering “hack“, or as an intellectual joke. The most well-known “useless machines” are those inspired by Marvin Minsky‘s design, in which the device’s sole function is to switch itself off by operating its own “off” switch.

What is a developer journal? | Opensource.com

https://opensource.com/article/19/4/what-developer-journal Our jobs around computers often center on solving problems. When the momentary euphoria of solving a problem ends, and we move onto the next problem. The idea behind a developer journal is that making relevant notes as you go about your tasks can help the future you. Even if you work with a tool

SilverCrest USB power bank teardown and repair

Here is few years old SilverCrest USB power pack with solar charger that stopper charging a smart phone. Because changing the charging cable did not help and the charging connector felt a little loose, it seems that the power pack is to blame here. Ithad served several years well as portable power pack that had

Cyber security of sea cables

I was listening an interesting presentation on monday at Helsinki on cyber security of under sea fiber optics cabling. The end result was that it is possible (not always easy or cheap, but technically possible for many countries) and often not illegal on international sea to listen to the traffic on those cables. There are

Audio over CAT5

Here are some links on transporting audio signals over twisted pair wiring: Digital PreSonus eliminates the snake with a single CAT5 cable #105 – Audinate AVIO Dante Audio Adapter: First Look & Review   Analog #89 – SoundTools CAT Box Snake & SuperCAT CAT5e Review Using Cat5 cable for analog, AES3 and ClearCom signals with

Cyber Security Trends May 2019

This posting is here to collect cyber security news in May 2019. I post links to security vulnerability news to comments of this article. If you are interested in cyber security trends, read my Cyber security trends 2019 posting. You are also free to post related links.