Note: this is a complex project with many details. For the short version, please see:Portable environmental monitor presentationProduction ready design documentIntroductionLast year (2014) I put my spare time to some really good use: I designed my first...
Ok, sorry about the clickbait title; who can resist the promise of LEDs? I promise a photo of a lit LED in this log, so you don't go home empty handed. This log is a quick one to introduce an intriguing potential alternative to coin cells. I have...
You can find the schematic ready to edit and go on EasyEDA here. Source code for the Arduino sketch is attached and below. Note that it uses the TimerOne library to provide higher-resolution Timer1 frequency control for the Pulse Width Modulation to...
The work by others to port Arduino BASIC to the Smart Response-XE device was of interest, but I wanted a few enhancements to extend battery life (auto shutdown) and I wanted an easier way to do math on the console rather than typing "PRINT" everytime...
Table of Contents 1. Hardware2. The serial console 1 Hardware The Netgear ReadyNAS 3138 is a 1U rack-mounted NAS server with 4 3.5'' SATA drive slots. I have recently purchased such a device in order to use it as a small home fileserver and decided to...
Full video on this subject (this is literally the script): https://www.youtube.com/watch?v=Psy6lRcdGtk Introduction Old houses, like my parents’ home, comes wired with simple electromechanical doorbells. They’re a simple electromagnet with a metal...
caladan12:39 PMI think it's C++ on CentOS 7 daniel valuch12:39 PMactually, guess what it was Rosy Schechter12:39 PMHere are the libraries for data analysis: https://root.cern/ daniel valuch12:40 PMwhat was the mean time between failures when LHC started...