€14.17, located in Cerdanyola del Valles, Spain (08***), item #325255942149
Have you run out of I/O pins?. On board 3.3V level converter circuit, if you donot solder VCC-VDD pad, the PCF8575 level is 3.3V. 5pcs x PCF8575 16-bit IO Expander Module.
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