modRL04_ISO - power module with four 5V relays and optoisolation of inputs

This XIAO ESP32-C6-based relay module is designed for intelligent automation. It allows independent control of six channels via Wi-Fi, Zigbee, Thread, or BLE, and thanks to the built-in ESPHome, it easily integrates with Home Assistant. It supports DC devices up to 30V, features two Grove ports for expansion, and comes in an aesthetically pleasing PLA enclosure. Ideal for IoT systems, home automation, lighting, and motor control. Seeed Studio 114993588

Module with 8 SSR relays with a load of up to 3 A. The board communicates via the USB interface. Numato Lab SSR80001-DC

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

4 route MOSFET switch module V2.0, IRF540, RoHS

Module with 8 relays 12 V with a maximum switching current of 7 A. Numato Lab RL40004

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

Module with 5 V relay with a maximum switching current of 2 A. It communicates via the USB interface and does not require an additional power supply. Numato Lab USBPOWRL002

Industrial module based on the ESP32-S3 microcontroller, which supports WiFi, Bluetooth and RS485 interface. Equipped with 6 high-power relays (up to 10A at 250VAC/30VDC), it allows for safe control of various devices and integration with industrial sensors via the Modbus protocol. The module supports popular programming environments such as Arduino and MicroPython, making it ideal for AIoT and remote monitoring applications. Waveshare ESP32-S3-Relay-6CH

Module with 8 SSR relays with a load of up to 3 A. The board is equipped with the ULN2003 system and communicates via a digital interface. Numato Lab SSRC80001-DC

Industrial module with Ethernet interface that allows control of 8 relays via RJ45 port and has 8 built-in digital inputs. It uses Modbus TCP protocol, PoE (Power over Ethernet) power supply and is equipped with a rail-mounted housing. Waveshare Modbus POE ETH Relay (B)

The module is equipped with eight 10A / 250VAC relays controlled independently via a serial bus (UART) or from a PC (through a microUSB connector). The NO / NC contacts of the relays have been led to the ARK screw terminals. The board recommended for use with Arduino enables the control of eight relays using only two microcontroller lines. ICSTATION ICSE014A

Module with 2 relays 12 V with a load of up to 7 A. The board communicates via the Bluetooth wireless interface. Numato Lab BTRL002

The Pololu 5423 module provides reliable load control in RC systems with full galvanic isolation. The SPST solid-state relay supports up to 6 A at voltages up to 60 V and is suitable for applications requiring silent operation, durability, and precise control using RC signals. The version without soldered connectors offers flexibility for adaptation to individual projects.

Module with SSR 240V/2A relay controlled by 5V voltage with fuse. modSSR-1CH

Module with two 240V/2A relays controlled by 5V with a fuse triggered by a high state. modSSR-2CH-H

4-channel module with relays, designed to work with the Raspberry Pi. It can switch 120VAC/2A or 24VDC/2A signals. SB Components 14071