For Christmas, [Hamster]’s wife gave him a mini-oven. Later that day, he tore it apart and built this FPGA controlled reflow oven. The oven uses a MAX31855 to read temperature from a thermocouple.

One high-volume OEM proves that even simple feedback from an AOI system can reduce end-of-line defects by an order of magnitude. Until recently, the use of pre-reflow optical inspection usually was ...