[elecena] PCF8574AMT/TR - zmiany ceny IC I/O Expander 8bit 100kHz I2C SMBus TSSOP16 PCF8574AMT/TR - 4.06 PLN https://elecena.pl/product/30638917/pcf8574amt-tr 2026-08-29 PCF8574AMT/TR - 4.14 PLN https://elecena.pl/product/30638917/pcf8574amt-tr 2026-10-15