Pt2322 datasheet(pdf) Ic circuit volume control digital audio microcontroller arduino works using Signal processor
MiniVol PGA2320 Volume Control - error404's Audio DIY Endeavours
Minivol pga2320 volume control Digital audio volume control circuit using pt2258 ic and arduino Volume control schematic audio circuit diy diagram power description
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I2cI2c circuit pull diagram communication protocol bus arduino internal resistors hardware level low signal device high two lines project Pt2322-s original supply, us $ 0.6-1 , [ptc] princeton technology corp.
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MiniVol PGA2320 Volume Control - error404's Audio DIY Endeavours
I2C - learn.sparkfun.com
PT2322 Datasheet(PDF) - List of Unclassifed Manufacturers
![PT2322-S Original supply, US $ 0.6-1 , [PTC] Princeton Technology Corp](https://i2.wp.com/www.seekic.com/uploadfile/ic-mfg/201172224441581.jpg)
PT2322-S Original supply, US $ 0.6-1 , [PTC] Princeton Technology Corp
Digital Audio Volume Control Circuit using PT2258 IC and Arduino