Introduction: Touch Sensor Using BC547

About: i am an electronics hobbyist.

In this tutorial we will make a simple touch sensor using BC547 transistor.

Step 1: Components Required:

  1. 1 x BC547 transistor
  2. LED
  3. 330 ohm resistor
  4. Breadboard
  5. 9V battery

Step 2: Circuit Diagram:

Connect the all components according to above circuit diagram.

and for more please watch the above video.