Aim
The goal of this activity is to indicate the level of water using LEDs and transistors.
Materials Required
- Breadboard -1
- 9V Battery -1
- LEDs -1
- BC547 Transistors – 3
- Several Jumper Wires
Wiring Diagram
Desired Outcome
When we dip the wires in water, LEDs get ON. Thus, the level of water can be indicated.
