Dave plays around with converting a toaster oven into a surface mount SMD reflow oven with a beginner kit and controller from Beta Layout.
Includes basic calibration and thermal profiling of the oven.
Also a look at an example PCB from PCB-Pool, and reflow of an example board with lead-free solder paste.
And using an Agilent bluetooth multimeter to remote log the temperature.
A tutorial on how to read timing diagrams. An essential skill for designing and understanding ...