Cockroaches are considered the most enduring insects, they feel well in the most unfavorable conditions, continue to live without a head for another week and die only because they stop feeding.
Many chemicals and folk recipes are powerless before them, their main drawback is toxicity for humans and pets, for the treatment is often required to leave the room, which is not always possible.
The ideal way to fight cockroaches is considered special. scarersthey are easy to operate and absolutely are safe for good health.
What scares cockroaches? The action of the devices is not aimed at the destruction of insects, as a result radiation cockroaches are adversely affected begin leave the room.
Cockroach Repellers
All electronic devices can be divided into the following types:
- ultrasound;
- magnetic resonance.
They expensive conventional means against cockroaches, the average cost can range from 500 to 950 rubles. More expensive devices are designed for large areas (warehouses, storage), use them in apartments or houses is not recommended.
Electromagnetic
Under the influence of electromagnetic pulses the pests hide as far as possible from the source. Electronic repeller from cockroaches can be used as you like for a long time - it does not harm the health of people and animals.
Electronic means of cockroaches in the apartment need to be plugged in, the repeller functions on low wave frequencies which affect the central nervous system of cockroaches and other insects.
Benefits:
- compact size;
- no requirements for the creation of special storage conditions;
- efficiency;
- the absence of dead insects;
- security.
TO disadvantages can be attributed to a fairly high cost.
Ultrasound
Ultrasonic cockroach repeller emits inaudible to humans high frequency waves, extremely unpleasant for cockroaches.
The action of ultrasonic waves on insects has a scientific justification - mosquitoes that have heard sounds similar to those issued by bats leave the place of its origin in fear.
From cockroaches, ultrasound also helps, This principle applies to the manufacture of devices. At the core of their operation lies an integrated microcircuit, which includes the components of a trigger and a multivibrator, resulting in the formation of antiphase and symmetric signals at the terminals.
These outputs connect the sound source, which is used as piezo ceramic emitter. According to reviews, the device helps to get rid not only of cockroaches, but also of midges, domestic ants, etc.
Benefits development:
- ease of use;
- non-toxicity, safety for people and animals;
- the possibility of treatment in the presence of people;
- large range of action - the action of the device installed in one room extends to the whole apartment;
- Extended spectrum of action - not only cockroaches perish, but other insects as well.
Despite its many advantages, the ultrasonic cockroach trap has limitations:
- quite high cost;
- doubtful security.
The ultrasonic device from cockroaches is not recommended to be used during pregnancy - the unborn child hears ultrasound, the action of which is comparable to him with the roar of a passing underground train.
Rodent and cockroach repeller riddex pest repelling aid
The principle of operation of the repeller is based on the connection to the network, after connecting the wiring turns into repeller, under the influence of which not only cockroaches, but also fleas, ants, rats, mice scatter.
The device is also equipped with flashing LEDs, which have a negative effect on pests. The impact area of the riddex pest repelling repeller reaches 200 square meters, unlike other models, its No need to install in multiple rooms.
Pests begin to show concern after the first week, mice and rats disappear in 14-20 days, insects - in 7-12 weeks. The device is suitable for use in residential and public buildings, a repeller absolutely safe for health, does not affect the operation of electrical engineering.
For more information about this repeller, see the video:
Do-it-yourself cockroach ultrasonic repeller
To create a do-it-yourself repeller, you need a special scheme; this can be done only if you have certain knowledge and skills.
Required items:
- Tumbler and diode d;
- capacitors C1, C2;
- UZ element for sound reproduction (piezo emitter);
- transistors T1, T2;
- variable resistors and R1, R2, R3, R4, R5.
The function of the resistors is to limit the current and regulate the voltage in the network, the variable resistor is designed to adjust the ultrasound frequency at the output.
A piezo emitter can be any one from any manufacturer, as well as a toggle switch, with which the device is turned on and off.
Capacitors and transistors provide the creation of frequency circuit together with resistors, the diode is designed to protect the device from improper switching.
To create a board, blanks for radio amateurs are required, the repeller of this type must have the ability to control the power and frequency of the waves, which will allow the device to be used to scare away various types of pests.
For these purposes is used variable resistor, parallel to which the frequency meter is connected, the power depends on the power source (power range 1.5-12 V).
Scheme The assembly is shown in the picture.
Conclusion
Electronic scarers are considered most effective the way to fight cockroaches, the main advantage is safety for health and ease of operation.
Insects don't get used to them, as it happens with chemicals. Repellers are ultrasonic and electromagnetic, a simple model can be made by hand.
Useful materials
Read other articles about cockroaches:
- To successfully combat these parasites, you need to know where they come from in the apartment, what they eat? What is their life cycle and how do they multiply?
- The most common types of us: red and black. How do they differ and what to do if you saw a white cockroach in your apartment?
- Interesting facts: what nicknames have come up with these insects; did you know that there are flying individuals; some myths about where the baleen went and what does it mean?
- Can cockroaches cause physical harm to a person, for example, to bite or crawl into the ear and nose?
- A detailed article on how to get rid of them, the most effective ways to combat and prevent.
- Now on the market there are many tools against these parasites. Therefore, we wrote an article about how to choose a drug that suits you, described the best products for today and ranked the manufacturers of insect drugs.
- And of course, we could not ignore all sorts of popular methods, in particular the most popular one is boric acid.
- Well, if you yourself can not cope with uninvited guests, we recommend that you contact the professionals. They own modern technologies of struggle and save you from adversity once and for all.
Below is a list of well-proven drugs:
- Powders and Dusts: FAS, Clean House.
- Crayons and pencils: Masha.
- Pitfalls: Forsyth, Combat.
- Very effective gels: Dohloks, Global.
- Aerosols: Raid, Raptor.
- Strong sprays: Executioner, Regent, Geth, Cucaracha, Karbofos.
