Would you give me a hand ?
I have an IR sensor with 3 pins. It looks like the one in the picture, and I did not find any datasheet for it on the internet. actually, I have 3 questions :
1- I want to identify its pins ? (Where can I put the positive, ground ...etc. ?)
2- How to connect it with a visible LED so that when the IR sensor receive IR Rays, the LED lights up ?
3- Should I transmit IR Rays with a specific frequency ? or just connect IR LED to the power only ?