Archive for date: July 21, 2011

Nine years of blogging…

July 21, 2011 | Blogging | By: Mark VandeWettering

Glancing to the side bar, it appears that today in 2002 was the first post on my blog. This should be post number 3,690. I’ve had 2,286 comments. I’ve used 110 category tags. Over the 12 months, Akismet has removed 193,915 spam comments, and there have been 798 pieces of “ham”. The peak month for […]

Hallway Test of the Arduino PWM Laser Transmitter

July 21, 2011 | Arduino, electronics, My Projects | By: Mark VandeWettering

The other day, I showed how the Arduino could be used to generate PWM audio and send it over a very short distance using an LED. In my ever increasing pile of parts, I had some small 5mw red laser diode modules. These modules are supposed to be driven by direct connection to three 1.5 […]

AE6TY on Software Defined Radio

July 21, 2011 | Amateur Radio | By: Mark VandeWettering

This morning I realized that somehow I had failed to listen to the latest SolderSmoke episode (#135), so during my somewhat longer than usual commute (traffic) I set it going and had a listen. And wow, some really great stuff, especially the report by Bob Crane, W8SX on the Four Days in May (FDIM) QRP […]