SENSOR CAHAYA (DARK SENSOR)

Tanpa basa-basi berikut diagram nya

Komponen
R1 = 330 K / 1 Watt
R2 = 27 Ohm / 1 Watt
R3 = 100 K
R4 = 1 K
LDR (sensor Cahaya)
Kapasitor mylar C1 = 2,2uF (225/400 V)
Elco C2 = 470 uF/ 16 V
Dioda (D1-D3) 1N4007
Dioda Zener (Dz1-Dz2) 5V1 
Transistor (Q1-Q2) Bc 547 ,atau Bc 548
Relay 5 volt (No Nc Com 220v 6A)

Eksperimen , ane pakai casing bekas selcon rusak

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