Pt2322 Circuit Diagram
Pt2322 datasheet(pdf) Volume control schematic audio circuit diy diagram power description I2c
I2C - learn.sparkfun.com
Signal electro I2c pull communication circuit diagram internal protocol resistors hardware level low signal device high two lines project Minivol pga2320 volume control
Datasheet unclassifed manufacturers list pdf number part electronics related
Pt2322-s original supply, us $ 0.6-1 , [ptc] princeton technology corp .
.