Code: https://github.com/OliverLuo1986/Heater
Mill out the counterbore and press in the small copper pillar
An RGB lamp was installed, and the V1.2 version added an RGB lamp position.
The front panel is milled with a groove the size of an OLED screen, in order to avoid the impact of the thickness of the panel on the line of sight when observing the OLD after installation.
Reflow soldering curve, the green line is the PCB board temperature:
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