Rangkaian Sketsa pengusir serangga-insect repellant
Sunday, May 2, 2010 by sms
This skesta insect repellent should be installed inside or outside the house / for the speakers. Combination of this circuit adl oscilator PLL circuit / phase looked loop by using the CMOS 4047 with a frequency of 22 khz.gunakan external power supply, so the results are better.
