Modbus RTU 8-relay module with RS485 interface - Waveshare 17658

The module is equipped with three 5A / 250VAC relays controlled by digital outputs. Relay contacts are led out to ARK screw terminals. Designed to work with NVIDIA Jetson Nano. Waveshare 3-CH Relay for Jetson Nano

Module with monostable relay. It allows you to control high-power elements with a microcontroller. Adafruit 3191

2-channel module with relays designed to work with the Raspberry Pi Pico. It can switch signals up to 250 V AC and 7 A or 30 V DC and 10 A. SB Components 21284

Module with 4 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 SSRC40001-DC

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

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

Pololu 5425 offers silent, reliable operation when switching currents up to 10 A and voltages up to 30 V, providing galvanic isolation and full configurability of RC control parameters. The version without soldered connectors allows easy adaptation to individual mounting needs in RC and automation projects.

The module offers 16 TTL-compatible GPIOs, 10 analog channels and individual I/O configuration, making it ideal for automation, DIY projects and advanced system engineering, with the possibility of remote control via standard network interfaces. Numato Lab NLETHGC016-HA

The module contains a 5 V relay with a maximum current of 10 A (250 VAC) and optoisolated inputs, and with jumpers it is possible to select high or low switching. The module is equipped with screw connectors

Module with relay HF152FD 16A. It allows you to control devices with a current consumption of up to 16A using a low-power signal. The module has a relay activation time of about 10ms. DFRobot DFR0251

Adafruit FeatherWing module with snap relay. It allows you to control high-power components using a microcontroller. It allows switching current to 2A (at 40VAC or 30VDC) and voltage up to 250VAC. Adafruit 2923

Module with one 5 V relay with a maximum switching current of 10 A. It communicates via a USB interface and does not require additional power supply. Numato Lab NLRL1001-A

Module with 8 relays with a voltage of 12 V and a load of up to 10 A. The board communicates via the Ethernet interface. Numato Lab 8ETHRL001

Universal module supervised by the website, which can control both DC circuits as well as powered from 230 V mains. The states of digital inputs, relays and control buttons are presented on the website. AVTMOD05

Module with one 240V/2A relay controlled by 5V with a fuse triggered by a high state. modSSR-1CH-H

The module is dedicated to home automation based on the Raspberry Pi. It allows you to control two devices 250VAC/7A or 30VDC/10A, providing isolation with an optocoupler. SB Components 21932