A Non-blocking Wait for Event or Timeout in C#

We often want to wait for an Event in a thread while letting other stuff proceed. Or … delay a method in the UI thread while letting stuff update.

Convert TrueType to Bitmap Fonts for C++

It was easy to add the OLED display to a Particle Photon but there was only one font and it was very small and ugly. Making good fonts takes some work.

Note (12/23/2017): I found an elusive bug in the part of the original code that…

How to send email with a Raspberry PI via GMail

Answer

Before getting into the history. I ended up using Python3 and the smtplib library. Quick, simple, and reliable.

How to Set Brightness and Exposure for a Webcam Using C# and MediaFoundation

It’s incredibly hard to find the easiest way to control a webcam using MediaFoundation. It’s not that tough to stream the video or snap a photo but changing contrast and brightness and exposure……

Adding a tiny OLED display to the Particle Photon

How to update the Beaglebone Black Firmware

For some reason everything I found on the web and even the Beaglebone Org documentation was crazy out of date so…

Getting the Sainsmart 2in1 Motor Controller Running

The Sainsmart 2in1 is a Mega2560-based motor controller with on-board pluggable motor drivers. As usual the documentation is slim to none and it didn’t really work out of the box as far as I could tell.