Materials used :
Copper wire
Battery
Type-C charging module
LED
ESP32-C3
OLED Display
SHT31-D sensor
Steel Blank Earring
Celsius (°C ) ver
Fahrenheit (°F) ver
Diagram
LIBRARY NEED:
ESP32 Arduino Core
Adafruit GFX LibraryAdafruit SSD1306Adafruit SHT31NTPClient