PCF8575TS Erweiterungsplatine I2C Kommunikationssteuerung 16 E/A-Port für Arduino
2,06 €
Are the I / O pins exhausted?. On board 3.3V level converter circuit, if you don't solder pad of VCC-VDD, the PCF8575 level is 3.3V. Open drain interrupt output pin for input change interruption. Due to the difference between different monitors, the picture may not reflect the actual color of the item.
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