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Schematic repellents

2017-08-03 10:26  
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This article shows that the insect repellent circuit. To better grasp this principle, you can combine text understandable that circuit. For a more thorough grasp of this principle, you can also learn about the importance of the circuit components, such as: BC327 , BC337. These repugnent Repell insects from your garden this summer with this insect repellant circuit. By a phase-locked loop circuit design (CMOS 4047) connection as 22 khz oscillator. Outputs the amplified output transistor by a pair of free and open Motorola piezoelectric 3.25 inches. Current consumption is about 120 mA so an external power supply is recommended.


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