The concepts of these mosquito repellers are simple and we can build a simple mosquito repellent circuit at home easily by using 555 timer IC and few other commonly available components. Let’s see the concept of mosquito repellent circuit in detail.
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Astable Mode of 555 Timer IC
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If an oscillator of a particular frequency and mark to space ratio is required, the method would be to calculate periodic time from the required frequency and the discharge time and charge time using the formulae for tD and tC described in Oscillators Module 4.3. To do this, some component details will be needed.
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