Homebrew PCBs

> And I guess only a very few can do profiles with dwell times (think
re-flow
> oven soak time) or do that all do that?


These ones don't, they just maintain a single pre-set temperature.  No
clock.  I have some timers, but I'm not sure how I get the PID to tell the
timer that it's reached the correct temperature so start the clock.  Rigging
the timer to switch the PID off is easy.

Tony