/products/pcbprototyping/b/pcb-blogs/posts/ninja-reflow-part-2-reverse-engineering-the-pcb---mains-poweredSo, after deciding that I would update a Ninja SP101 oven / air fryer to act as a reflow oven, the first step was to reverse engineer the PCB. I needed to know what pine I had to toggle to turn on the elements and what I had to read to get a temperaten-USTelligent Community 12