Well, as I don’t have to point out, it’s been a while. This time it’s actually legitimate however, as I really haven’t had a chance to do anything with the project at all since my last post.

Since then however, there have been issues with the intended design of the heater core, and I’ve been advised that my approach would not be effective — that in fact, it possibly would not work at all.

So, I’ve had to seriously rethink everything, and I’ve been worried that not only would I have to change my control plan for the heater, but that I wouldn’t end up getting the level of control I’d wanted. Instead of smooth electronic control like a light dimmer, I’d instead have to deal with using relays to selectively switch elements on and off to select from a discrete set of output values.

(Read on …)