TOUCH SENSOR USING BC547 TRANSISTOR

This circuit turns on LED with the touch of your finger!. Many a times
we need certain actions to be done with a touch instead of pressing a button. This simple circuit does that using minimal components.

(1.) Battery - 9V x1
(2.) Battery clipper x1

(3.) LED - 3V x1

(4.) Resistor - 470 ohm x1

(5).BC457

(6).breadboard

LEFT PICTURE SHOWS THAT BEFORE WE TOUCH, THE LIGHT WILL NOT GLOW

RIGHT PICTURE SHOWS THAT AFTER WE TOUCH ,THE LIGHT WILL GLOW