PowerPipe - Drain-Water Heat Recovery Review We recently had a chance to install a new water heater, and with it, to install a Drain-Water Heat Recovery system. I wanted to share our experience and some real numbers on the
Pozotron Audiobook Proofing The latest startup I'm working on is Pozotron, an audiobook proofing tool.We've created software to help people who create audiobooks. Using Pozotron, you can quickly check that an audio recording matches the
The Future of Self-Driving Cars: Remote Autonomy **Update 2019: I wrote this a long time ago, I'm not sure about the feasibility of a safe autonomous car that depends on a remote operator. The general principle of labor ratio will
How to install snow chains on a Tesla Model S I recorded a quick tutorial on how to install the Trak Sport tire chains on a Tesla. They really are much easier to install than traditional chains.
Get a Discount with Smart-Prototyping If you are looking to make your PCB project a reality, I highly recommend the service at Smart-Prototyping. I've been using their service for all my boards in the past few years, and
The best PCBA service for hobbyists It's a great time to be developing your own circuit boards and electronics projects! There are so many excellent free tools out there, such as Upverter and CircuitMaker that let you design circuit
Balancing Scooter Part 2 - Frame One of the easiest ways to build up a mechanical frame is to use Aluminum Extrusions, which look something like this: This type of aluminum tubing is also known as T-Slotted Extrusion, for
Balancing Scooter Part 1 - Motors In this series of posts, I will present my adventure of building a self balancing scooter, similar to a Segway. This has become significantly easier in recent times because of the easy availability
robots Self Driving RC Car Part 1 - The Basics If you are reading this, you may be interested in self driving cars. Indeed, in a few years, you may be a passenger in one yourself. If you can't wait and want to
MK2 Torpedo Gyro Introduction Before the days of MEMS gyroscopes and advanced electronics, engineers still had a need for stabilization in the systems they were controlling. One example of this was stabilizing torpedoes as they were
Why do Google ads point to adware? Try downloading Paint.NET, an excellent free image editor, or Audacity, an open source audio editor, without an adblocker these days, and you’re in for quite a surprise. A disturbing trend in
xna Background Loading in XNA Introduction If you are developing an XNA game for Windows Phone 7, you probably want an effective way to load your game’s content in the background while still presenting a screen to
xna Speeding up XNA Content Load Introduction Update: For new projects I would suggest using Monogame and its new content pipeline tool If you’ve been doing any XNA development for Windows Phone 7, you may have noticed that
Debugging Behind the Iron Curtain Sergei is a veteran of the early days of the computing industry as it was developing in the Soviet Union. I had the pleasure of working and learning from him over the past
