Water Level Indicator Circuit Diagram With Alarm. The recurrence frequency of the given astable circuit is around 62 hz. The electronic water level alarm circuit is connected to the alarm and it is placed at the above electronic water level circuit which is having the capability of alerting the person of a home.
The water level indicator circuit utilizes a 555 timer clock in astable mode with r1 22 kω r2 570 ω and c1 1uf 25v. This simple transistor based water level indicator circuit is very useful to indicate the water levels in a tank. Working of the circuit is simple the base of all the darlington transistors inside the ic is connected with its pins one to seven that is used as probes the positive rail is used as the bottom or common probe.
Working of the circuit is simple the base of all the darlington transistors inside the ic is connected with its pins one to seven that is used as probes the positive rail is used as the bottom or common probe.
Darlington array ic contains seven darlington transistors and the ic2 is a um66 cmos melody ic. When the water level is at high or low or at exceeding the higher limit. The electronic water level alarm circuit is connected to the alarm and it is placed at the above electronic water level circuit which is having the capability of alerting the person of a home. The water level indicator circuit utilizes a 555 timer clock in astable mode with r1 22 kω r2 570 ω and c1 1uf 25v.
