diymore | ESP32 RS485 Modbus Wifi Bluetooth Relay Optocoupler Isolation Module Tyep C 4/8 Channel Relay Module DC 9-24V

Features:1. Optional 4-channel or 8-channel relays, flexibly adaptable to various scenarios.2. Built in CH340 chip, Type-C interface for one click program burning.3. Optocoupler input and output isolation, strong anti-interference, stable operation.4. Supports Modbus protocol and is compatible with industrial automation systems.5. RS485 and USART interface integration, strong scalability and easy networking.Parameter:Specifications: 4-way, 8-way (optional)Power supply: DC 9-24V power supply/TYPE-C power supplyModule: ESP32; Equipped with WIFI and BluetoothTYPE-C interface: power supply and burningEN reset button: Press the reset buttonBOOT key: Press and hold the reset key once to enter download modeOptocoupler input: controllable relaySerial port chip: Built in CH340 (can burn programs with one click)Built in: RS485 interface; Support ModbusPCB board size:4 channels: 93mm * 87mm; Positioning hole 4mmRoute 8: 152mm * 87mm; Positioning hole 3.5mmPackage Include:1X relay module