I have searched for some time a suitable software (preferably free) that allows me to measure Bode plot of electronics circuits. There are commercial software, special hardware and special instruments for that (network analyzer can usually do that on radio frequencies), but I wanted something that uses the hardware I already has. After some searching →
I bought some time ago HC-SR04 Ultrasonic Sensor Distance Measuring Module to play with ultrasound distance measurements with Arduino Duemilanove 2009 Atmega 328P SCM Board. The working principle of the HC-SR04 Ultrasonic Sensor Distance Measuring Module when the module get trigger “start” pulse, it sends eight 40khz square wave pulses and automatically detect whether receive →
A seasoned veteran give tips and encouragement to an aspiring software engineer. For a software developer this is hilarious and a little bit creepy! →
Serialchart is an open source application for charting data sent via RS-232 port in real time. It runs on Windows. It is very suitable for a microcontroller (Arduino) project to graph the incoming data to screen. The incoming data should be in CSV format, with each point on a separate line. After some short tests →
I just noticed that MIDI turned 30 years ago just a short time ago. This 31.25kbd 10-bit, 16-channel network is still very much in use today, 30 years after its official 1.0 specification release in August 1983. I forgot to say “Happy Birthday MIDI” at the right day. The Register had an article series on →
Stephen Elop’s task on turning Nokia Mobile phones business to Microsoft compatible has come to end: Microsoft Corporation and Nokia Corporation today announced that the Boards of Directors for both companies have decided to enter into a transaction whereby Microsoft will purchase substantially all of Nokia’s Devices & Services business, license Nokia’s patents, and license →
Git and GitHub are not just for writing programming code. Book Authoring Using Git and GitHub article tells how they can also be an effective tool for writing articles and books. Matthew McCullough has written a quick guide to writing books in lightweight formats. If you are a writer and thinking of new ways to →
The best animated gif Pixar/NSA satire you’ll see today For background why this is so relevant, check the comments at Security trends for 2013 article. Check also USA vs NSA Animation Alternate Ending. →
Yle news wrote a few days ago in Ei tippa tapa – paitsi älypuhelimen article that sweating or wet hair can easily destroy an expensive smart phone worth of hundreds of Euros. Most smart phones withstand poorly water and moisture, but consumers rarely put any effort in protecting their devices on many every day situations. →
A new Finnish electronics magazine Elektroniikkalehti has been created. I heard about it yesterday at Mittaus & Testaus. Elektroniikkalehti describes itself as the main news source for professionals in the Finnish electronics industry. The magazine is in Finnish and available only in electronics versions (website, newsletter, RSS). Elektroniikkalehti is targeted to electronics professionals, ranging from →