4-Channel Modbus RTU Relay Module with RS-485 Interface _ARD_SHIELD_UNO Switch Joy-con

Switch Joy-con

please ensure electrical safety and take protective measures such as anti-leakage and insulation

These small brushed Pololu 20D DC gearmotors can deliver a lot of power for their size

which (after a simple software install) manages the safe shutdown and startup of your Raspberry Pi and includes a 30mm cooling fan with fan power pins

MQTT and HTTP APIs are also available for further integration and development

4-Channel Modbus RTU Relay Module with RS-485 Interface _ARD_SHIELD_UNO Switch Joy-conThis 4 channel relay module operates via RS 485 using the Modbus RTU protocol. It features high current relays rated up to 30A at 250V AC or 28V DC and is built for applications requiring reliable switching and communication. The ABS DIN rail mount case makes it easy to install in industrial environments. The module includes multiple protection circuits such as power isolation, ADI magnetic signal isolation, a resettable fuse, and a TVS diode. It also