Build a light-activated switch using LDR that lets you control home appliances using your mobile phone's torch.

±1% Tolerance range: Maintaining Sccuracy Over Time Product: 120 ohm 1/2w (0.5watt) -100 pcs Aaxial-Lead Resistors: Wide Variety Of Applications: Arduino, Electronic And Electrical Experiments ...

If resistors are the brakes, capacitors are the power reserves ... while jumper wires connect everything together. Invest in a good breadboard and a variety of wire lengths and types and thank me ...