DIY

The simplest water level sensor, flooding (with sound alarm) with your own hands

Hello, dear readers and self-made people!
In everyday life we ​​use water every day, and if you don't follow it, then it can bring trouble instead of good. An ordinary leak in the kitchen or in the bathroom – and your neighbors' repairs are ruined.
A similar situation often occurs with containers in the country and in the garden – you also need to monitor the filling of the summer shower and barrels, turn off the water supply in time.
In this An article by the author of the YouTube channel “Mextraf” will tell you how you can make a contact water sensor with a sound alarm system.
 The simplest do-it-yourself water level sensor, flooding (with sound alarm) This project is very simple to manufacture, and it is easy to repeat it at home or country conditions.
Materials necessary for homemade products.
– Transistor 2N2222 (set)
– Active sound buzzer (buzzer)
– Battery CR2032
– Battery compartment CR2032
– Wires, wire, plastic case
– Solder, flux.
Tools used by the author.
– Electric soldering iron
– Hot glue gun
– Screwdriver, step drill
– Tweezers.
Manufacturing process.
Let's start with the diagram. The main electronic component of the device will be a bipolar PNP transistor 2N2222 .
First of all, its emitter must be soldered to the negative terminal of the battery compartment .
 The simplest DIY water level sensor, flooding (with sound alarm) The simplest DIY water level sensor, flooding (with sound alarm) The simplest sensor water level, flooding (with sound alarm) do it yourself The sound signal will be emitted by an active sound buzzer (buzzer) , designed for 3V power supply.
The negative pin of the buzzer is soldered to the transistor collector.
 The simplest DIY water level sensor, flooding (with sound alarm) The simplest water level sensor, flooding ( with sound signaling) with your own hands The simplest do-it-yourself water level sensor, flooding (with sound alarm) The simplest sensor water level, flooding (with sound alarm) do it yourself As probes-electrodes, the author uses copper wire, stripped of varnish insulation with sandpaper.
If necessary, the probes can be extended with wires up to several meters.
 The simplest DIY water level sensor, flooding (with sound alarm) The first electrode is soldered to the base of the transistor, and the second to the positive terminal of the battery compartment.
 The simplest do-it-yourself water level sensor, flooding (with sound alarm) The simplest do-it-yourself water level sensor, flooding (with sound alarm) The simplest sensor water level, flooding (with sound alarm) do it yourself Next, you need to find a suitable plastic box, and drill a hole in it along the diameter of the battery compartment with a step drill .
 The simplest DIY water level sensor, flooding (with sound alarm) The simplest do-it-yourself water level sensor, flooding (with sound alarm) The simplest sensor water level, flooding (with sound signaling) with your own hands All elements are fixed inside the case using hot glue gun .
The master fixed the probes on the back cover, and extended them with wires. The electrodes should be 5-10 mm apart.
< img class = "aligncenter" alt = "The simplest do-it-yourself water level sensor, flooding (with sound alarm)" src = "https://usamodelkina.ru/uploads/posts/2021-08/1630012194_wtd-035.jpg"/> The simplest water level sensor, flooding ( with sound signaling) do it yourself  The simplest DIY water level sensor, flooding (with sound alarm) In order for the buzzer to work well, you need to make a hole in the housing and align it with the hole in the buzzer when installing it.
 The simplest DIY water level sensor, flooding (with sound alarm) The simplest water level sensor, flooding ( with sound signaling) do it yourself The simplest do-it-yourself water level sensor, flooding (with sound alarm) It remains to install a three-volt CR2032 battery in the compartment and check the device in operation. As soon as the water level reaches both contacts, an audible signal will sound.
Although the device consumes practically no electricity in standby mode, there is a risk of forgetting to replace or check the battery, and it will not work.
The simplest do-it-yourself water level sensor, flooding (with sound alarm) The simplest sensor water level, flooding (with sound alarm) with your own hands siren, or the transmission of an alarm over the Internet, then there are ready-made water leak detectors on sale.
I thank the author for a simple circuit of a water sensor with sound alarm.
Good mood, good health, and interesting ideas!
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The author's video can be viewed here.

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