32 Channel WiFi Relay Module - module with 32 relays and WiFi communication

Industrial module with 8 relays. It communicates via RS485 interface and supports Modbus RTU protocol. Waveshare Modbus RTU Relay (EN)

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

Module with 32 24 V relays with a load of up to 7 A. The board communicates via the Ethernet interface. Numato Lab 32ETHRL001-24

Module with 16 12 V relays with a load of up to 7 A. The board communicates via the Ethernet interface. Numato Lab 16ETHRL001

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 32 relays 12 V with a maximum switching current of 7 A. Numato Lab RL320003

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

This SPST solid-state relay module allows for safe switching of DC circuits up to 60 V and 7 A, offering galvanic isolation and low conduction resistance (approx. 30 mΩ) thanks to the use of back-to-back MOSFET transistors. It features fast switching time (up to 1 ms), low control current consumption (approx. 10 mA), and the ability to control a signal from 2.7 to 40 V. Its compact design, lack of mechanical components, and the ability to mount on 2.54 mm connectors or screw terminals make the module a durable and quiet solution for systems requiring reliable isolation and long service life. Pololu 5420

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

2-channel module with relays designed to work with the Raspberry Pi Pico. It can switch signals up to 120 V AC or 24 V DC and currents up to 2 A. SB Components 21376

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

Extension module designed for home automation projects compatible with Raspberry Pi. The board is equipped with a 24 V 2 A relay, three buffer inputs, three sink outputs and three analog inputs with a working range up to 24 V. Pimoroni PIM487

Board with the WiFi ESP-12F (ESP8266) module and a 5 V relay. Equipped with an AC adapter

Gravity: Digital 10A Relay Module is a module with 10A 35VAC / 30VDC relay compatible with devices with control signals in the range of 2.8 ... 5.5V. DFRobot DFR0473

Pololu 5424 enables precise switching of loads up to 10 A at voltages up to 30 V, providing galvanic isolation as well as silent and maintenance-free operation thanks to the use of a solid-state relay. Ideal for controlling devices in RC systems, automation, and projects requiring durability and reliability.