Hardware

Calculations for LED driver and RGB Sensing unit

Schematic: BASIC VARIANT

Schematic: FINAL VARIANT

Draftman: FINAL VARIANT

It includes the following:

• 2 RGB sensors with illuminating LED
• 2 Buttons with indicating LEDs
• OLED Display (Not mounted)
• LoRa communication
• microSD storage
• Buzzer

Software

Raspberry Pi code

ESP32u4 LORA ii code

Cases of Uses

• Upper button:
  • Once it pressed it toggles between measuring RGB or not
• Lower button: