How to make a photo diode detect light? Answered
Can anyone help me to know how can a photo diode detect a light. What I mean is the light sensing circuit which will close the circuit when it detects light. Please help, I do not know anything about photo diodes.
And one more thing, is there a circuit not using transistors for the light detecting circuit? And what difference would it make if it's forward or reversed biased?
Here is the circuit I made. Please tell me if there is something wrong with it