PCF8575TS Expansion Board I2C Communication Control 16 IO Ports For Arduino
2,33 €
Are the I / O pins exhausted?. For Arduino. Adapter Module. Step up module. Step down module. Display module. Wireless module. On board 3.3V level converter circuit, if you don't solder pad of VCC-VDD, the PCF8575 level is 3.3V.
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