Touchscreen Reflow Oven Controller

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This is a reflow oven controller which uses the STM32F030C8 ARM Cotex-M0 microcontroller to control two heating elements off a toaster oven using a separate board that has two triacs and handles the AC current. It features a 2.8" TFT resistive touchscreen which is mounted on the back of the board, a micro SD card slot for storing GUI data and temperature profiles, an optional external servo for automatic door opening for cooling, and a piezo speaker to alert the user. It uses the MAX31855KASA to get readings from the external thermocouple and that data gets sent to the microcontroller via the SPI bus. The board is powered by 5v from the Micro USB port or from the header pins next to it.

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