RS422 modul átvitel a TTL kétirányú jelek között Full duplex 422 fordulatú mikrokontroller MAX490 TTL modul

Warm prompt: Dear buyer, Our cheapest transportation services Economic category logistics (SunYou Economic Air Mail ,China Post Ordinary Small Packet Plus ) can be traced only befor it arrive your country,please choose Standard category logistics if you want a full tracking info.
RS422 module transfers between TTL bidirectional signals Full duplex 422 turn microcontroller MAX490 TTL module