Components: · Transistor BC547 : 1 · Light dependent resistor (LDR) : 1 · Resistors 330Ohms :1 · Resistors 220k :1 · LED :1 MISC: · Bread board · Hook up wires · 9v battery · battery snap Circuit:
A blog about science and technology.Here one can architect their ideas to create a marvelous and ingenious project.