Businesspro Mall M5Stack RS485 to TTL Unit (行貨1年保養) RS485 is a TTL to RS485 convertor. RS485 is a standard defining the electrical characteristics of drivers and receivers for use in serial communications system Product #: businesspro-M5Stack RS485 to TTL Unit (行貨1年保養) Regular price: $HKD$25.0 Available from: Businesspro MallIn stock
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