4-channel SSR relay module 240V/2A triggered by high state

Industrial module with 32 relays. It uses communication via the RS485 interface and supports the Modbus RTU protocol. Waveshare Modbus RTU Relay 32CH

6-channel module with relays, designed to work with the Raspberry Pi. It can switch 250VAC/7A or 30VDC/10A signals. SB Components 21802

Module with 8 relays with a voltage of 12 V and a load of up to 7 A. The board communicates via the Bluetooth wireless interface. Numato Lab BTRL001

Module with MOSFET and a Gravity connector. It allows you to easily connect and control the voltage from 5V to 30V and the current up to 2.5A. DFRobot DFR0643

Module with 8 relays and 8 IO pins and 8 analog inputs. It communicates via the RS485 or USB interface and supports the Modbus RTU protocol. Numato Lab NLRE1001-A

HF32FA-G relay module for controlling devices with current consumption and voltage up to 10A/250VAC. Its compact design and high electrical performance make it ideal for use in home automation systems, DIY projects and IoT devices. Seeed Studio 114993555

Module with a relay and WiFi communication. Compatible with ESP-01 or ESP-01S

Industrial module with 16 relays. It communicates via the RS485 interface and supports the Modbus RTU protocol. Waveshare Modbus RTU Relay 16CH

Numato Lab\'s 1-Channel USB Relay Module is an easy-to-use, flexible and versatile device, ideal for remote control of devices, home automation, prototyping and DIY projects, offering a 5V DPDT relay, GPIO, analog inputs and compatibility with multiple operating systems and serial console applications

The module contains two 5V relays with a maximum current of 10A (250 VAC) and opto-isolated inputs, and with jumpers it is possible to select switching with high or low status. The module is equipped with screw connectors. modRL02_ISO

8-channel PoE module with relays allowing you to connect your PC to other electronic circuits via the network. It does not need a separate cable for power and data transmission. It can be controlled via a simple web interface or Telnet. Numato Lab NLRP1001-A

Module with 8 relays and 10 analog inputs. Communicates via the WiFi wireless interface. Numato Lab WFRL80001

The module with the HLS8-T73 relay with a load up to 5 A. The board is equipped with a Grove connector and is controlled by a digital input. Seeed Studio 103020005

The 24 V relay module with adjustable delay time offers a practical solution for AC/DC load control in automation and electronics applications

The module with SSR BT136S relay with a load of up to 2 A, designed for M5Stack sets. The board is equipped with a Grove connector and is controlled by a digital input. M5Stack U122

Industrial relay module controlled via RS485 interface with Modbus RTU protocol support, offering 8 outputs with maximum load of 10 A. Equipped with galvanic isolation, opto-isolation, TVS diodes and DIN mounting, it ensures safe and reliable operation in harsh industrial conditions. Thanks to functions such as flash-on/off, configurable RS485 address (1-255), signaling diodes and wide power supply range (7-36 V), the module is perfect for building automation and device control. Waveshare Modbus RTU Relay (B)