I am very proud of your arrival and welcome to you!
Step 1: SCH
C100nF x 5
C100uF x 1
R1k x 4
button x 2
tft_1.8 x 1
ESP-12F x 1
REG1117-3.3 x 1
It's been a long time and no code has been found
Step 2: Making PCB
Use a double faced copper clad plate and install it on the PCB engraving machine. Let the machine engraving the designed line drawings.
Step 3: Soldering
Soldering esp8266 module, resistance capacitance, LCD and other components
Step 4: Testing the Hardware
Is it normal to download the firmware through the UART interface and test the work of LCD?
Step 5: Assembling
Use the 3D printer to make the shell, fix the main board on the shell, and install the battery
Step 6: The Archetype on the Bread Board
The Archetype on the bread board