Aideepen | 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 relay for flexible adaptation to various scenarios.2. Built-in CH340 chip enables one-click programming via Type-C interface.3. Optocoupler input/output isolation ensures strong anti-interference capability and stable operation.4. Supports Modbus protocol for compatibility with industrial automation systems.5. Integrated RS485 and USART interfaces offer strong expandability and easy networking.Product Parameters:Specifications: 4-channel, 8-channel (selectable)Power Supply: DC 9-24V / Type-C power supplyModule: ESP32 with Wi-Fi + BluetoothType-C Port: Power supply and programmingEN Reset Button: Press to resetBOOT Button: Press and hold, then press the reset button to enter download modeOptocoupler Input: Controls relaysSerial Chip: Built-in CH340 (supports one-click programming)Built-in: RS485 interface; supports ModbusPCB Dimensions:4-Channel: 93mm x 87mm; 4mm mounting holes8-Channel: 152mm x 87mm; 3.5mm mounting holesProduct List:1x Relay Module