GY-39 Weather Sensor Outdoor Monitor Temperature And Humidity UART Serial Output

74HC164D SMD 8 BIT SERIAL IN SHIFT REGISTER

8 Channel RS485 -Isolated Serial Port Hub Support 32 Nodes Half-Duplex2621

8 Channel RS485 -Isolated Serial Port Hub Support 32 Nodes Half-Duplex8153

8 Channel RS485 -Isolated Serial Port Hub Support 32 Nodes Half-Duplex3932

8 Channel RS485 -Isolated Serial Port Hub Support 32 Nodes Half-Duplex3578

8 Channel RS485 -Isolated Serial Port Hub Support 32 Nodes Half-Duplex6716

8 Channel RS485 -Isolated Serial Port Hub Support 32 Nodes Half-Duplex2095