Grove SPDT Relay - module with 30A relay

The module is equipped with four 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. ICSTATION ICSE012A

Module with monostable relay. It allows you to control high-power elements with a microcontroller. Adafruit 2895

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 24 V with a maximum switching current of 7 A. Communicates via the USB interface. Numato Lab RL80001-24

The module with 4 relays is designed to work with Arduino. It allows you to control devices with operating parameters up to 250VAC/7A or 30VDC/10A. Seeed Studio 103030009

Module with 16 relays and 8 analog inputs. Communicates via the WiFi wireless interface. Numato Lab WFRL160001

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

Module with relay up to 5.5 A and 240 V AC controlled by the I2C interface. SparkFun COM-15093

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

Module with 5 A 250 VAC relay. DFRobot DFR0017

A magnetic latching relay that features low power consumption and quiet operation. It allows switching of signals up to 36 V and 10 A. It remains in the last position it was in before power was lost. DFRobot DFR0996

16-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 NLRP1002-A

Module with 32 relays and 8 GPIO pins and 8 analog inputs. It communicates via the RS485, USB or Ethernet interface and supports the Modbus RTU/TCP protocol. Numato Lab NLRM1002-A

Module with 24V relay and timer. It allows the implementation of delayed switching on or off of the circuit with adjustable time in the range from 1 s to 100 s and from 1 s to 15 min.