Water Level Alarm

Components:

                Resistor                : R 150k

                Capacitor             : C1 0.005 µF

                                            : C2 0.01 µF

                Transistor             : TR1 BC108

                                            : TR2 2SB 178

                Speaker 2 Inch/5 ohm

Water level alarm can be used to knowing the surface of the water in water container or water Toren. If water in the container touched the sensors so the alarm will make a sound. This sound is notification when water container was full and you can turn off the water pump.