Replica IoT heating table

Original author: https://oshwhub.com/dhx233/pcb-heng-wen-jia-re-tai#P1
 
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Functions: 0. Free switching between constant temperature heating mode and reflow soldering mode 1. Visualized custom reflow soldering curve 2. Full progress percentage display during the reflow soldering process 3. The timed constant temperature duration can be set from 0 to 520 minutes. When the temperature reaches the preset value, it will Display countdown 4. The Internet of Things can remotely set the temperature, mode, and switch, and can be connected to Xiaoai's self-training commands. The specific command corresponding functions are explained in MIOT.h 5. The DC5V fan interface is reserved to control whether to turn on the fan to facilitate user expansion 6 .The integrated power control part does not require an external switching power supply. It is easy to carry and saves desktop space. 7. The screen brightness can be adjusted to 256 levels. 8. Automatic sleep for 60 seconds at low temperatures without operation. 9. Hardware inherent error temperature software calibration function