ADS1115/ADS1015 I2C 16-Bit Modul ADC 4-Kanal mit Pro Verstärkungsverstärker für Arduino
ab 3,36 €
As a nice bonus, it even includes a programmable gain amplifier, up to x16, to help boost up smaller single/differential signals to the full range. It is a great general purpose 12 bit converter. Interfacing is done via I2C.
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