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Author's details

Name: Karl Berger
Date registered: July 28, 2015

Latest posts

  1. Power supply measurements — May 21, 2017
  2. ThingSpeak Addins — April 16, 2017
  3. HacDC/W3HAC Meeting Presentation Announcement – April 12, 2017 at 7:30 pm — April 4, 2017

Author's posts listings

May 21

Power supply measurements

Most electronic projects operate on low voltage direct current. This is often provided by a USB connection or a battery. There are several possibilities to power a project from the 120 Vac power line. A common way is to use a wall adapter (wall wart) and feed low voltage direct current to your project through a …

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Permanent link to this article: http://w4krl.com/power-supply-measurements/

Apr 16

ThingSpeak Addins

Here is a selection of MATLAB Visualizations ThingSpeak Addins  

Permanent link to this article: http://w4krl.com/thingspeak-addins/

Apr 04

HacDC/W3HAC Meeting Presentation Announcement – April 12, 2017 at 7:30 pm

Some of our members recently purchased a solar powered, Arduino programmable, weather station kit from Karl, W4KRL at the Winterfest in Annandale, VA. Due to the popularity of this kit, I invited Karl to come to our next club meeting to give a presentation all about its development, how the station works, etc. Karl has graciously …

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Permanent link to this article: http://w4krl.com/hacdcw3hac-meeting-presentation-announcement-april-12-2017-at-730-pm/