[elecena] ST232BTR - zmiany ceny IC: interfejs; transceiver; full duplex,RS232; 220kbps; TSSOP16 ST232BTR - 1.65 PLN https://elecena.pl/product/30722731/st232btr 2026-09-23 ST232BTR - 1.66 PLN https://elecena.pl/product/30722731/st232btr 2026-10-05