modRL08

8-channel module with relays, designed to work with the Raspberry Pi. It can switch 250VAC/7A or 30VDC/10A signals. SB Components 21871

Module with four 240V/2A relays controlled by 5V with a fuse triggered by a high state. modSSR-4CH-H

Module with 2 relays with a maximum switching current of 7 A. It communicates via the USB interface. Numato Lab RL20001

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

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

I/O module supporting Modbus RTU via USB and RS485 and Modbus TCP via Ethernet. It has 4 built-in SPST relays and 8 digital inputs, 8 digital outputs and 4 analog inputs. Provides a flexible DIN rail mounting system. Numato Lab NLRXE002-A

Module with electromechanical relay. It allows you to control devices with an operating voltage of up to 250 V AC and a current of up to 3 A or a voltage of 30 V DC and a current of 3 A

4-channel SSR 240V / 2A relay module with fuse. modSSR-4CH

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

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 digital inputs, 4 outputs and 6 analog (current) inputs. It communicates via the RS485 interface and supports the Modbus RTU protocol. The board is enclosed in an industrial housing. Wellpro WP9038ADAM

Module with 4 relays SRD-05VDC-SL-C with a load up to 10 A. The board was equipped with a Grove connector and communicates via I2C. Seeed Studio 103020133

Module with 2 relays SRD-05VDC-SL-C with a load up to 10 A. The board is equipped with a Grove connector and is controlled by a digital signal. Seeed Studio 103020132

4-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 21178

Module with 8 relays 12 V with a maximum switching current of 7 A. Communicates via the USB interface. Numato Lab RL80001

The remotely controlled modulation module MOD-34 / AZ allows wireless load control with up to 10 A current consumption via a relay. It does not contain nRF24l01.