3 pin photo transistor replacement

S

simple&cheap

New Member

• Apr 1, 2005

• #1

what would I have to change to use a 2 pin photo transistor inplace of the 3 pin on this draw.

https://www.aaroncake.net/circuits/slave.htm

 

audioguru

Well-Known Member

Most Helpful Member

• Apr 1, 2005

• #2

It looks like a piece of wire will work just as well as that photodarlington, with its base connected to its emitter as shown. :roll:

 

audioguru

Well-Known Member

Most Helpful Member

• Apr 1, 2005

• #3

Wait a minute! It's connected as a photodiode.

 

S

simple&cheap

New Member

• Apr 1, 2005

• #4

AND :lol: