Instructables

Step 5: GAIN Controller

Picture of GAIN Controller
DSC00057.JPG
4-Now join the 1st pin of IC with the A pin of the 5 k ohm variable resistor.
Join th A pin of this variable resistor with the C pin.Lastly join the 8th pin of IC with the B of this variable resistor.This becomes the GAIN.
 
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OXI2vasyl4 years ago
help me !
i did all circuit and its works but GAIN doesnt work T_T!
my resistors are ok, i dont now what problem is happening.