my project is to built optical receiver for detect optic fiber, and then convert to electrical signal for IoT to show data from optic fiber on the phone(blynk app)ive read many from the web and book but i failed to build one. my equipment use,polymer optical fiberphotodiodeop amp LM741 to amplify the signali hope u guys can help me to contruct the receiver circuit. many thanks !!!
ive read many from the web and book but i failed to build one.
this is my optical receiver..... but seems not working.... T_T
this is my optical receiver
Use a comparator e.g. LM339