Scheda di espansione ESP32 S3 WiFi BLE RS485 485 BUS 2.4G Smart Home modulo guida DIN
DNS3485 is a 44-pin ESP32 S3 expansion board with RS485 bus interface produced by ELETECHSUP. It lead out all the useful pins except the 3 ports required for RS485. 44PIN ESP32 S3 RS485 expansion board.