http://www.elecfree.com/electronic/logic-digital-tester-by-lm324/ Fri, 19 Mar 2010 02:15:57 +0000 http://wordpress.org/?v=2.6.5 http://www.elecfree.com/electronic/logic-digital-tester-by-lm324/#comment-1368 Logic Digital Probe with LED display | ???? ??????? ?????????????? Fri, 26 Dec 2008 02:43:15 +0000 http://www.elecfree.com/electronic/?p=3543#comment-1368 [...] ??????????? Logic Digital Probe with LED display ??????????? input ?????? 5V ??? ??????? LM324 ????Main Part electronics ????????? Drive All LED ?????? Current ???????????? 10mA ????? potentiometer ?????????????? threshold ?????????????????? logic digital ???? 3 ????? ????????????? ??? LED1(Green) ????????? high and LED2(Red) ????????? LOW ??? LED3(Yellow) ????????? High IMR ??????????????? ??????????????????? ??????? [...] [...] ??????????? Logic Digital Probe with LED display ??????????? input ?????? 5V ??? ??????? LM324 ????Main Part electronics ????????? Drive All LED ?????? Current ???????????? 10mA ????? potentiometer ?????????????? threshold ?????????????????? logic digital ???? 3 ????? ????????????? ??? LED1(Green) ????????? high and LED2(Red) ????????? LOW ??? LED3(Yellow) ????????? High IMR ??????????????? ??????????????????? ??????? [...]

]]> http://www.elecfree.com/electronic/logic-digital-tester-by-lm324/#comment-1025 Logic Digital Tester by LM324 | วงจร โครงงาน อิเล็กทรอนิกส์ Tue, 07 Oct 2008 02:11:43 +0000 http://www.elecfree.com/electronic/?p=3543#comment-1025 [...] This is Logic Digital Tester Circuit. It uses the level input about 5V and use the integrated circuit LM324. Be Main Part electronics perform Drive All LED. วงจรลอจิกโพรบ ตรวจสถานะลอจิกวงจรดิจิตอลแบบง่ายๆ แต่เที่ยงตรงดี ใช้ไอซีเปรียบเทียบแรงดัน ดูวงจรและอ่านต่อ [...] [...] This is Logic Digital Tester Circuit. It uses the level input about 5V and use the integrated circuit LM324. Be Main Part electronics perform Drive All LED. วงจรลอจิกโพรบ ตรวจสถานะลอจิกวงจรดิจิตอลแบบง่ายๆ แต่เที่ยงตรงดี ใช้ไอซีเปรียบเทียบแรงดัน ดูวงจรและอ่านต่อ [...]

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