Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.
I came up with a circuit for sensing light using a photoresistor and a 741 Op-amp. Here is my circuit diagram. (sorry for the crude drawing)
With a power supply at +5v The output I get from the op-am I was expecting to be either 5v or 0v, but instead I get ~4.5v and ~2v for either light or...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.