modRL02

Module with 16 relays with a maximum switching current of 7 A. It communicates via a USB interface. Numato Lab RL160001-24

AO3406 MOSFET transistor module with N channel and JST PH2.0 connector designed to control motor, solenoid or LEDs. Adafruit 5648

Industrial module with an Ethernet interface that allows you to control 8 relays via the RJ45 port. It uses Modbus TCP protocol, supports PoE (Power over Ethernet) and is equipped with a rail-mounted housing. Waveshare Modbus POE ETH Relay

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

4 Channel 5V Relay Module

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 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

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.

Module with 8 digital inputs and 4 relays with a maximum switching current of 2 A. It communicates via the RS485 interface and supports the Modbus RTU protocol. The board is enclosed in an industrial housing. Wellpro WP8024ADAM

The module is ideal for applications requiring precise control and signal processing, with the ability to be easily controlled via Ethernet. Numato Lab NLETHGC016-HB

Compact module with MOSFET IRF520 24V/5A transistor.

8-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 NLRP1001-A

Switch module with a maximum voltage of 40 V and a current of 10 A, based on a MOSFET transistor, HT0740 driver and I2C expander. It has a screw connection and a status LED. Pimoroni PIM455

Module with MOSFET and a Gravity connector. It allows you to easily connect and control the voltage from 5V to 30V and the current up to 2.5A. DFRobot DFR0643

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.