1. what is water leveling?
water leveling is a auto measuring that have led as a level if reach the top buzzer will make a noise . it easy to make it only need some basic eletronic skill and componet like transistor resistor led buzzer and a few jumper . it work by using transistor as Switch if jumper touch the water the transistor will open and the led light up ig rach the top buzzer will make a noise
២. ឧបករណ៍ដែលត្រូវការ / Requirements
Buzzer Alert Module
led
transistor bc548
resistor 220
៣. Schematic Diagram