Water Level Indicator using BC548 Transistor (Mini Project)

[Srini]

Water Level Indicator Using BC548 Transistor

   

Components :

Total Components : 4

• 3 Different Color of LED
  
• Led - LED used to indicate the level of Water present in tank.
  
• 1 Buzzer
  
• Buzzer - If the water is full, buzzer will turn on hence the user can switch off the sump.
  
• Battery - 9v, Battery for Power supply.
  
• Transistor - BC548
  
• This project uses the working principle (switching concept of Transistor).
  

Circuit Diagram :
   

Working:

Water will conduct electricity, place different length wires for different level of indications when water level goes up (touches wires) different level Indicators(LED’s) will be turned on thro’ transistors .

[koushik]

this is yours na bro

[Srini]

No.. Mine using this Concept... But Used 8051 and LCD to Display, and automatic Motor on/off... I will post once i finished my Report...