1PC NEW Modbus-Rtu 1/2/4/8 Relay module quantity Input/output RS485/TTL

1PC NEW GY-485-44009 High precision RS485 light intensity sensor module #YT

1PCS Modbus-rtu 2-way Relay Module Output 2 Input Channel Switch TTL / RS485

1PC NEW DC 3.3V/5V isolated TTL to RS485 level module 2Mbps #LL

1PC NEW 5V light switch search module Photoresistor plus relay module #YT

QTY:5 RS485 collector module Waterproof probe modbus T/H sensor transmitter #dr

1PC NEW 5V/12V raindrop controller module with relay waterless on switch #YT

5PC NEW T/H sensor transmitter RS485 collector module Waterproof probe modbus