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Light detector project using 2N2222

Build a simple comparator circuit using a Light-Dependent Resistor (LDR) to sense ambient light



🎯 Project Components: 

  • 2N2222 Transistor
  •  LDR (Light Dependent Resistor) 
  • 100KΩ Resistor
  •  330Ω Resistor
  •  LED
  •  9V battery
  •  Jumper Wires + Breadboard