tag:blogger.com,1999:blog-830294346093076405.post7507676391686246125..comments2023-06-20T21:45:01.467+07:00Comments on Free Project Circuit Diagram: Touch Switch Circuit Using Logic GateFree All Tutorialhttp://www.blogger.com/profile/12784643794772489220noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-830294346093076405.post-44635874466852898222013-02-08T20:03:52.548+07:002013-02-08T20:03:52.548+07:00what is t1 t2 t3 t4 in this ckt pls mail me at rah...what is t1 t2 t3 t4 in this ckt pls mail me at rahate_pooja@yahoo.in.. Anonymousnoreply@blogger.com