An open source controller for converting kitchen toaster oven to reflow oven

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Part NumberDescription
MP2303ADN
STM32F411CEUxSTMicroelectronics Arm Cortex-M4 MCU, 512KB flash, 128KB RAM, 100 MHz, 1.7-3.6V, 36 GPIO, UFQFPN48
CH340G
W25Q16JVSNIQ

PCB schematic

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