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Web an electronic bird repeller is an electronic sound system that emits the sound of a particular frequency which irritates the birds (see fig. Web insectouse repellent circuit using ic556 pdf construction and testing of ultrasonic bird repeller project title electronic pest homemade projects cat dog. When s is on, 220v voltage will provide.
Web Electronic Bird Repeller (2) Published:2011/5/20 5:13:00 Author:sue | Keyword:
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