32 Channel USB Relay Module - module with 32 12V relays and USB interface

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

Industrial module with 8 relays and 8 digital inputs. It communicates via the RS485 interface and supports communication using the Modbus RTU protocol. Waveshare Modbus RTU Relay (D)

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

Module with 4 relays JZC-11F with a load of 5A. It enables switching devices with high power using a microcontroller. I2C communication. SparkFun COM-16566

Module with 8 relays SSR G3MC202P with a load up to 2 A. The board is equipped with a Grove connector and communicates via I2C. Seeed Studio 103020136

Module with 4 5 V relays with a maximum switching current of 2 A. It communicates via the USB interface and does not require an additional power supply. Enclosure included. Numato Lab USBPOWRL004E

Module with 16 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 NLRE1002-A

Industrial Ethernet module that allows control of 30 relays via RJ45 port. It uses Modbus TCP protocol, PoE (Power over Ethernet) power supply and comes with a rail-mounted housing. Waveshare Modbus POE ETH Relay 30CH

Module with SSR M281 relay with a load of up to 1 A. The board is equipped with a Grove connector and is controlled by a digital input. Seeed Studio 101020603

The module is designed for easy and reliable switching between two different power sources. It ensures safe use of two power sources (with voltage from 1.6 to 5.5 V) without the risk of damaging components. Adafruit 5830

The module with 4 relays is designed for the M5Stack sets. It allows you to control devices with an operating voltage of up to 250 V AC and a current of up to 10 A or a voltage of 28 V DC and a current of 10 A. M5Stack U097

Module with relay SSR G3MC202P with a load up to 2 A. The board is equipped with a Grove connector and is controlled via digital input. Seeed Studio 103020137

Module with 4 relays with a maximum switching current of 7 A. Equipped with the ATmega328P microcontroller, it can be programmed in the Arduino IDE. Numato Lab PRLY002

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.

Your 5V system can wield great power with this big, beefy relay board. Kit contains all the parts you need to get your high-power load under control. Sparkfun KIT-13815

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