So I realized that it might become a necessity for me to use a transimpedance amplifier for a pulse watch that I intend to make.
The pulse watch shoots light at 940 and 660nm at the wrist and picks up the reflected light in a photodiode (https://dk.farnell.com/hamamatsu/s1223/photodiode-pin-to-5/dp/1495587).
Hence why the signal that the photodiode picks up may be diluted and subject to noise, if I don't treat it correctly. The V_Out signal is supposed to go into my Arduinos analog port from which, I (hopefully) can draw a nice pulse curve.
As I'm not an electrical engineer, the primary part that I'm unsure about is the operational amplifier that I inserted into the circuit. I tried to look around for similar applications, but I'm still unsure about the capacitors, and resistors that I've put in there (if the values are correct).
The op-amp I intend to use is this: https://dk.farnell.com/texas-instruments/op07cd/ic-op-amp-low-offset-smd-soic8/dp/9589929?st=OP07
Is this application of the operational amplifier correct, with correct resistor and capacitor values, i.e. will this provide me with a nice low-noise amplified output?
The loop after the photodiode with R3 still confuses me. Is this just to pull V_Out low when no current is flowing?