I2C Attenuator


I found an attenuator board on ebay for less than 10 dollar.

My idea was to control this board over I2C so I could connect it to my I2C PLL controller or from another I2C micro controller board.
I designed a small board with an I2C to I/O converter (PCF8574).

ATT board with ATT


ATT board connections


Eagle schematic file
Eagle board file


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