PowerMonitor_V7_2

Code:

• ESP32 code files.

• Compile with Arduino Sketch IDE version 1.8.19.

• ESP Board Manager - esp32 by Espressif Systems version 2.0.17.

  • NOTE: Don't try to use newer versions (3.0.x or newer).

• Board: DOIT ESP32 DEVKIT V1

• Required Libraries:

  • RV3028C7.h - Realtime Clock
  • TimeLib.h -
  • Adafruit_ADS1X15.h - Analog-to-Digital converter.
  • WiFi.h
  • WiFiUdp.h
  • NTPClient.h
  • TFT_eSPI.h - TFT screen with Touch.
  • SD.h - SD memory card.
  • SPIFFS.h

Enclosure:

• STL files for enclosure (front and back).
• FreeCAD enclosure design files.

Images:

• Image files for PCB and enclosure.

PCB:

• KiCAD
  • PCB design files.
• PCB Components:
  • ESP32-WROOM-32S.
  • 3.5 inch TFT with Touch.
    • SPI interface.
  • ADS1015 Analog to Digital converter ICs.
    • Configured in differntail mode, two CT channels per A2D converter IC.
  • CH340K USB to serial inteface IC.
    • microUSB interface (USB-B).
  • RV3028__C7 Realtime Clock IC and battery.
    • Not required if WiFi connected to get the time via NTP.

Misc:

• TFT user setup file.
  • Contains the ESP32 to TFT pin definitions.
  • The TFT_eSPI "User_Setup_Select.h" file selects the User_Setup file.
  • Use ILI9488_g2m.h file found in Misc directory for User_Setup file.