Solar scare mosquito




Every year, over a million people are killed by malaria. The only solution to this problem is to destroy mosquito breeding grounds and curb the problem at source. As mosquitoes breed in stagnant water, I concluded that surface aeration would be one of the best means of eliminating breeding grounds.

So I built a device that generates air bubbles at regular intervals and effectively produces ripples up to a radius of 2 meters (sufficient for most urban water bodies). The device automatically switches on when it comes in contact with water an alarm alerts if the water body dries up or someone tries to remove the device from water. At less than $10, the device is cost effective and being solar powered, it is energy independent and maintenance-free.

Here is my Youtube project presentation: Solar Scare Mosquito

Note: You will have to see this video to fully understand and appreciate the project.

Check out this blog for similar cool projects: http://www.gallactronics.com/.

Step 1: Hypothesis

More than half the world’s population is vulnerable to vector-borne diseases. These diseases, namely malaria, largely affect children and poor people and there is no promising solution to eradicate it.

Solar scare mosquito

Question: So how can we control malaria using technology?

As mosquitoes transmit malaria and water stagnation is the primary cause of mosquito-breeding, by preventing water stagnation, it should be possible to curb malaria.

Hypothesis: By devising a surface aeration system for small water bodies, it should be possible to control mosquito breeding.

Step 2: Don’t stagnate… Research!

The primary reason why mosquito breeding cannot be easily controlled is that all breeding grounds need to be either regularly emptied or regularly treated with insecticides. Regularly emptying surrounding objects is tedious and often not practical. And employing people to regularly treat water bodies with larvicides and fogging is expensive. Therefore potential breeding grounds are not maintained and stagnant water in common elements of a cityscape like birdbaths, rain barrels, water reservoirs, ponds, swamps and sewage lines become vulnerable to mosquito breeding.

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On evaluating the ideal conditions for mosquito breeding, I concluded that surface aeration would be the ideal solution to control this breeding because of the following reasons:

  1. Surface turbulence would prevent female mosquitoes to lay eggs on water.
  2. Even if they do succeed in laying eggs, the larvae will not be able to remain on the turbulent surface and ultimately suffocate.
  3. Surface aeration would reduce anaerobic bacterial development and deplete the microfilm.

Having concluded that theoretically surface aeration is the key to controlling mosquito breeding, I went on to verify my hypothesis through experiment.

Step 3: Building the Device

The device comprises of the following parts:

Bubble aeration

Of the various aeration methods, I chose bubble aeration to create surface turbulence and I used a portable aquarium pump as a bubble generator.

Solar Power

As the aerator needs to run perpetually, it is not practical to make it battery-powered. Thus I made it solar-powered.

Timer

The air-pump is also timer-based and runs at intervals of 10 minutes to increase its life.

Automatic Start

As in the case of floodwater, rainwater, roadwork and construction sites, no arrangements are made to treat such temporary water bodies that are potential breeding grounds.

To deal with this problem, the aeration device automatically starts when it comes in contact with water so that it can be installed in a catchment area and when water gets collected, it starts running immediately and leaves no room for mosquito breeding.

Alarm

An inbuilt alarm is provided to alert if the water body dries up or someone tries to remove the device from water.

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For more detail: Solar scare mosquito




This Post / Project can also be found using search terms:

  • malaria using arduino uno

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