Discussion in 'Homework Help' started by yasir_66, Oct 31, 2009.
i have to built a logic probe compatible to both CMOS & TTL.plz give me easy schematic.
There are a lot of logic probe projects out on the Internet. Have you "googled" the topic?
yes but i m seeking a simple L.P using 555.
i have seen before but i lost page & not found again.
that L.P was for both CMOS & TTL with two individual GND,one for TTL & other for CMOS.
& i also want a speech recorder so that i can recorder lecture of my teacher.do you have such circuit?