ESP32 heating stage

Modified from the ESP32 heating table - Jialichuang EDA open source hardware platform (oshwhub.com)  project,

change content:

     1. Only keep the heating plate and control board.

     2. PCB 10cm*10cm;

     3. The screen lights up when the power is turned on, without going through a switch; the boat-shaped switch is only used for the heating plate, and the heating plate power can be turned off manually if necessary;

     4. The size of the control panel has been changed, but the heating plate is still compatible;

     5. Removed some components and rearranged the wiring.

Instructions for use

• The file system will be formatted when it is started for the first time, which will take some time.
• Click on the main interface   to enter reflow mode
• Double-click on the main interface   to enter power mode
• Use long press in the main interface   to open the menu
• Long press in the main menu   to return to the previous level
• Adjustable PID parameters and Kalman filter parameters