PCB boards

1. Solar panel control & multi sensors board:
   • x3 INA219
   • x2 I2C sensor
   • x2 UART sensor
   • x2 I2C display
   • usage example https://www.thingiverse.com/thing:4438088
2. PZEM-004 + ESP+01S board:
   • x2 I2C sensor
   • x3 phase
   • more info arendst/Tasmota#2315
   • usage example https://www.thingiverse.com/thing:4583701
   • usage example https://www.thingiverse.com/thing:4583058
   • usage example https://www.thingiverse.com/thing:4587966
3. Home Weather Station (multi sensors board):
   • x2 I2C sensor
   • x2 UART sensor
   • x1 I2C display
   • usage example https://www.thingiverse.com/thing:4407535
4. Support for DC motor:
   • x2 motor drivers
5. Support for Servo:
   • x2 Servo
6. AS5600 Position Sensor.
7. I2C protocol.
8. Home ventilation.
9. E-PAPER (E-INK).
10. Control the AC / DC motor using Sonoff 4ch pro.
11. PC fan.
12. SPI multi display.
13. I2C multi display.
14. ...