Reflow Oven controler with buzzer, four reflow profiles with save and factory reset function.
I designed and 3D printed cover for a touch display, also I mounted mcu and other modules on a 3D printed holder. 3D files:
https://www.thingiverse.com/thing:4899782
I brought Severin TO-2068, 20L 1500W oven at second hand store.
BOM:
- STM32F103 Development Board with mounting holes
- 5V 3.3V DC Logic Level Converter Bi-Directional Board Module
- Nextion Basic 3,5" 480x320 NX4832T035
- MAX6675 Thermocouple Module
- Active buzzer with generator
- 5V power supply module HLK-PM01 3W
- SSR-25DA Solid State Relay Module
- Rocker Switch SPST, 10A/250VAC, Ø20,2mm
- some M3 screws, wires with thermal shielding, connectors
- Severin TO-2068 20L 1500W oven
based on awesome Vulcaman's project : https://www.instructables.com/DIY-REFLOW-OVEN