http://www.elecfree.com/electronic/annoying-high-pitch-noise-generator-by-555/ Mon, 01 Dec 2008 21:03:32 +0000 http://wordpress.org/?v=2.5.1 http://www.elecfree.com/electronic/annoying-high-pitch-noise-generator-by-555/#comment-1217 Annoying high pitch noise generator with IC 555 | Wiparat Circuit Electronics Mon, 01 Dec 2008 16:36:24 +0000 http://www.elecfree.com/electronic/annoying-high-pitch-noise-generator-by-555/#comment-1217 [...] Read more Source: var addthis_pub = 'wiparat'; [...] [...] Read more Source: var addthis_pub = ‘wiparat’; [...]

]]> http://www.elecfree.com/electronic/annoying-high-pitch-noise-generator-by-555/#comment-316 kids in housing estate!!!! - FeckThat.com - Shoot the breeze Mon, 16 Jun 2008 08:40:43 +0000 http://www.elecfree.com/electronic/annoying-high-pitch-noise-generator-by-555/#comment-316 [...] there is a movement to ban these. These things can probably be made at home very very cheap (i.e. Annoying high pitch noise generator by 555 Circuit Project Electronic). __________________ signatures are now available ! Irish [...] [...] there is a movement to ban these. These things can probably be made at home very very cheap (i.e. Annoying high pitch noise generator by 555 Circuit Project Electronic). __________________ signatures are now available ! Irish [...]

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