Quantity   Component name
2 × Transistor BC547
1 × LDR Resistor Networks / Thick Film Networks
1 × AC supply
1 × Relay Power Supplies / Uninterruptible Power Supplies (UPS)
1 × Resistor 1k
1 × Potentiometer 100k
1 × Power Supply 12V
1 × 1n4007 Diode
1 × Bread board
1 × Connecting wires
1 × AC load or Buld