http://www.elecfree.com/electronic/simple-timer-by-ca3140-ne555/ Fri, 09 Jan 2009 13:34:30 +0000 http://wordpress.org/?v=2.6.5 http://www.elecfree.com/electronic/simple-timer-by-ca3140-ne555/#comment-831 Simple Timer by CA3140 + NE555 | วงจร โครงงาน อิเล็กทรอนิกส์ Tue, 02 Sep 2008 09:50:35 +0000 http://www.elecfree.com/electronic/simple-timer-by-ca3140-ne555/#comment-831 [...] This be the circuit sets the time to model is simple,at can fix the time had long ago and have tall good accuracy. By use pillar equipment be IC CA3140 for fix time mouth and NE555 perform sound electric bell origin. By we can fine time value done to a turn VR1 can fine since 10 second arrive at 3 hour….. วงจรตั้งเวลาแบบนานกว่าปกติ ด้วยไอซีเปรียบเทียบ CA3140 และเสียงเตือน ด้วยไอซี NE555 อ่านต่อ [...] [...] This be the circuit sets the time to model is simple,at can fix the time had long ago and have tall good accuracy. By use pillar equipment be IC CA3140 for fix time mouth and NE555 perform sound electric bell origin. By we can fine time value done to a turn VR1 can fine since 10 second arrive at 3 hour….. วงจรตั้งเวลาแบบนานกว่าปกติ ด้วยไอซีเปรียบเทียบ CA3140 และเสียงเตือน ด้วยไอซี NE555 อ่านต่อ [...]

]]> http://www.elecfree.com/electronic/simple-timer-by-ca3140-ne555/#comment-424 Simple Timer by CA3140 + NE555 | Wiparat Circuit Electronics Thu, 03 Jul 2008 07:32:17 +0000 http://www.elecfree.com/electronic/simple-timer-by-ca3140-ne555/#comment-424 [...] Source : Simple Timer by CA3140 + NE555 [...] [...] Source : Simple Timer by CA3140 + NE555 [...]

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