Introduction: $0.1 Dusk to Dawn Switch Low Cost Simple Dusk to Dawn Switch Dark Sensing Light Automatic Lights

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Turn your security lighting or task lighting on and off automatically each night with this circuit. It's easy to install.

Step 1: Components List

1. TRIAC BT136 or BTA16

2. LDR

3. 104 (0.1uF) Capacitor

4. 1K Ohm 1/4 Watt Resistor

5. DB3 Diac

6. Connecting Wires

Step 2: Connection Diagram

Make connections as shown in circuit, for more details Visit Link

Step 3: Test Your Circuit

1. Warning This Circuit Operates at AC 120V or 230V

2. Connect This circuit in series with lamp as Shown in Circuit diagram.

3. Take care that Lamp Light should not fall on LDR, This can cause false turn off or looping oscillations.

4. Save energy Go green..

5. Find difficulty in building circuit comment me on my

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