John_Correa
Junior Member level 1
Is it possible to make a distance measuring sensor using IC 555 and IC 565 along with an IR LED and photodiode pair? I have the transmitter circuit which pulses the IR LED at a particular frequency using IC 555(used in astable mode). Now I want to design the receiver circuit using photodiode and IC 565(PLL) in order to filter out the ambient light as it has the ability to recive only a particular frequency and lock itself to it. But I'm not able to put it right. I plan to give the analog output of 565 to an ADC and then process it using a microcontroller. Please help.