![]() A nice package with everithing needed (thermocouple, SSR, heatsink) already mounted or in the kit would have been a plus. I needed something easy and quick to setup with any toaster oven without having to completely modify it.I knew that out there there was a billion of other DIY toaster oven reflow controller ready to be used, but none of them seemed to fit my specific needs: I designed X-toaster because I needed a Reflow Oven Controller for my company, for small batches productions and for prototyping pourposes, when dealing with QFN and BGA. Safety features include a programmable timeout, two sensors to check for onboard and external over temperature, oven maximum temperature control, and hardware malfunctioning control. There is no need to connect an external PC for programming: everything is controllable directly from the touch screen. GUI has been designed to work on a 3.2” color touch screen. Temperature control is provided by a custom PID algorithm with some unique predictive feature to smooth any fast changing ramps in the profile and an exclusive overshoot compensation. There are three profiles stored in EEprom which can be modified and re-programmed whit your own, to adapt the system to various PCBs, solder pastes and ovens. To amplify the signal coming from the thermocouple we selected the MAX31855 which supports any K-type non-grounded probe. The heart of the system is an Atmel ATXmega128 which can be reprogrammed by the user through the onboard PDI connector. It can drive two external SSR to enable control of the heaters and, if present, the oven fan. ![]() X-toaster is a Reflow Oven Controller specifically designed to convert any normal toaster oven into a reflow oven. ![]()
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