Simple water level indicator

Hello friends, today in this video i have shown how to make a simple water level indicator. Parts list:- 4 × 220 ohm resistor 4 × BC547 transistor 9V battery 3 × green Led (5mm) 1 × red led (5mm) If you have enjoyed this video then please like, share, comment and don't forget to subscribe. Thank you for watching.

• #فناوری_و_رایانه
• #how_to
• #how_to_make
• #diy
• #homemade
• #simple