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.</tt> | .</tt> | ||
[[File:SKETCH.jpg|500px]] | |||
[[File:555 TIMER ON BREADBOARD.JPG|200px|caption]] | [[File:555 TIMER ON BREADBOARD.JPG|200px|caption]] | ||
[[File:AMPLIFIER.jpg|200px|caption]] | [[File:AMPLIFIER.jpg|200px|caption]] | ||
[[File:SOLID STATE RELAY.JPG|200px]] | [[File:SOLID STATE RELAY.JPG|200px]] | ||
[[File:BALL_AND_ROD.JPG|200px]] | [[File:BALL_AND_ROD.JPG|200px]] | ||
[[File:BALL AND CIRCUIT.JPG|200px|caption]] | [[File:BALL AND CIRCUIT.JPG|200px|caption]] | ||