Electronic – arduino – Photodiode Array Wiring

arduinolightphotodiodewiring

Sorry if this is a basic question. I would like to use photodiodes to precisely measure changes to light amplitude using an Arduino, similar to Figure 2 here:

enter image description here

However, I would like to wire six photodiodes using a common 5V input and ground, so that wiring is minimal and the measurements occur simultaneously. Does anyone know how I could do this?

Best Answer

You're going to need six copies of the circuit on the breadboard. The output of each circuit connects to a different "ANALOG IN" pin on the Arduino.

There's no problem with sharing +5V and Gnd among the six circuits.

If space is at a premium, you might consider switching to the LTC1051 or LT1053, which are dual and quad versions, respectively, of the LTC1050.