In this instructable I'm going to talk mostly about using the Melexis MLX90614 IR (infrared radiation) sensor. Also, while building a sensor interface board, I'll also take care of driving a Crydom SSR (solid state relay).
There is already a bunch of web info on re-flowing boards using either a skillet or toaster oven. Both of the following links are good:
What I thought was missing was information on instrumenting the skillet. This instructable should take care of that.
Note, Parallax already makes, and sells, a Melexis IR interface board. However, I don't think it has any digital outputs (I could be wrong since I never owned one). There is no way to remotely mount their sensor either - their design has the sensor solder right onto an interface board.
Step 1: Construct a method to hold the sensor.
Step 2: Build the interface board.
I also had trouble with the CCS compiler serial output code. I ended up writing my own which I think is better. My version uses one of the PIC timers. In contrast, the CCS compiler generates RS232 code using only software timers.
Anyway, all the source code is attached and, I think, well documented.
Here is a link to the Melexis web site for datasheets and app notes:
The Melexis app note on the SMBus was indispensable.
Tom Cantrell had a nice write-up in issue 219 of Circuit Cellar. The original article may be purchased on their web site for $1.50. Tom's article was the inspiration which got me moving.