REFERENCES

1. Blogspot. (2011) “iDEa”. [Online]. Available: http://ideabel20303.blogspot.com/2011/10/electronic-animal-and-insect-repellent.html#comment-form

2. Doctronics. (2011) “555 Timer”. [Online]. Available: http://www.doctronics.co.uk/555.htm#astable

3. Electro Schematics. (2011) “Electronic Dog Repellent Project”. [Online]. Available: http://electroschematics.com/1026/dog-repellent-circuit/

4. Just Technika. (2011) “Electronic Mosquito Repellent [Circuit Diagram]”. [Online]. Available: http://justtechnika.com/articles/electronic-mosquito-repellent-circuit-diagram/

5. Simple Electronic. (2011) “Electronic Mosquito Repellent Circuit Using 555”. [Online]. Available: http://www.simple-electronics.com/2011/09/electronic-mosquito-repellent-circuit.html