Automatic Night Light Using LDR | Proteus Tutorial
🔌 Automatic Night Light Using LDR & BC547 | Proteus Simulation Tutorial 💡
Welcome back to ProtoTek! In this video, we’ll design a simple and effective automatic night light circuit using an LDR (Light Dependent Resistor) and BC547 transistor. This circuit automatically turns on an LED in the dark and switches it off in light—ideal for smart lighting applications.
🎯 What You’ll Learn:
How an LDR works in detecting light
The function of BC547 as a switch
Creating a basic automatic lighting system
Simulating the circuit in Proteus
🧰 Components Used:
LDR (Torch_LDR)
BC547 Transistor
Resistors (10kΩ, 100Ω)
LED
Power Supply (DC)
💻 Software Used: Proteus Design Suite
🔧 Difficulty Level: Beginner-Friendly
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