Water Sensor Circuit With Alarm

This circuit assembly is an application of low power comparator lm1801 made by national semiconductor.
Water sensor circuit with alarm. There is one extra power led without a transistor and that is because this red led will be telling us two things. The reference voltage for the integrated circuit is fixed with the help of r2. 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. When pin 4 of the lm1801 voltage exceeds preset threshold because the moisture sensor noticed a smaller or larger chip will command the active piezoelectric buzzer with a current of over 24 ma.
This water sensor is indented for experimental use only and is not intended for critical applications such as controlling basement sump pumps or water alarms in situations where damage can be caused. You can tell which of the battery terminals is. The heart of the circuit is the transistors bc 547. 99 8 00 pack 10 00 coupon applied at checkout save 10 00 with coupon.
This small water sensor alarm circuit makes a loud warning sound when a humidity sensor detects a quantity of water. There are total 7 transistors in the circuit and each one will be sensing the level of water present in the overhead water tank. When the water level is at high or low or at exceeding the higher limit. Govee water detectors wireless water leak detector with 100 db loud alarm water sensor with sensitive leak probes water sensor alarm for kitchen bathroom basement floor battery included 5 pack 4 6 out of 5 stars 645.
The following circuit diagram shows the water level alarm circuit. During our testing it took a mere four seconds to send a moisture detected alert to my phone over wifi and just three seconds over my phone s data plan. Disconnect the wire attached to the negative battery terminal. Connect that wire instead to the drain terminal on the mosfet indicated by a small letter d step 4.
The samsung smartthings water leak sensor is a responsive leak detector that sends alerts within seconds of encountering water. 4 6 out of 5 stars 619. Water sensor is a little unit which is used to give an audible alarm when a hose of the washing machine has burst or when it starts to rain so that you can save the washing machine from being rain drenched or it can give an alarm to call you to the bathroom when the bathwater is needed to turn on. For this application the water sensor circuit will detect if the water is above or below the level of the sense probe.
These smart water detectors can be placed in your home anywhere moisture could be a problem such as the basement or laundry room to provide round the clock protection.