Remembering positive from negative

Depending on what you are working on, red and black have different meanings.  I have come across this a bit in my life and want to take note of it, finally. Financials Black = Profit Red = Loss Electronics Black = Ground Red = Volts Electrical Black = Live White =...

Mailing Issues

I’ve come across an issue where one of my clients suddenly stopped receiving emails from his website contact form.  Checking various blacklists can sometimes result in the solution: https://www.spamhaus.org/lookup/ http://www.abuseat.org/lookup.cgi However, in...

Working with Flora

Flora is the name given to Adafruit’s “wearable” microcontroller.  What it really means is that it has some large holes that can be used for sewing to clothing and such.  Adafruit provides a number of lessons, one of which introduces you to this...