30-Channel Ethernet Relay Module with PoE Compatible With_Raspberry Pi 3A Plus 13 piano keys (a full

13 piano keys (a full octave)

500mA for all ports in bus-power mode

which can effectively prevent the probe from polarization and prolong the life of the probe

Driver-free

30-Channel Ethernet Relay Module with PoE Compatible With_Raspberry Pi 3A Plus 13 piano keys (a fullThis 30 channel relay module allows you to manage multiple devices simultaneously through a single Ethernet port, using Modbus RTU and Modbus TCP protocols. Its support for Power over Ethernet (PoE) means you can power the device directly through the Ethernet cable, simplifying installation and reducing the need for extra wiring. Additionally, the module comes housed in a durable ABS rail mount case for easy and secure installation in various