32 Channel Ethernet Relay Module - module with 32 12V relays and Ethernet communication

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.

4-channel module with relays, designed to work with the Raspberry Pi. It can switch 120VAC/2A or 24VDC/2A signals. SB Components 14071

8-channel module with relays designed to work with the Raspberry Pi Pico. Has built-in power isolation. Perfect for industrial applications. Waveshare Pico-Relay-B

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

The module with 4 relays, designed to work with the micro:bit. It allows you to control devices with operating parameters up to 120VAC/2A or 24VDC/2A. SB Components 14118

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.

Module with 4 5 V relays with a maximum switching current of 2 A. It communicates via the USB interface and does not require an additional power supply. Numato Lab USBPOWRL004

Numato Lab NLETHGC032-HT is a versatile 32-channel GPIO Ethernet module, ideal for advanced automation projects and expansion of electronic systems.

Module with SSR M281 relay with a load of up to 1 A. The board is equipped with a Grove connector and is controlled by a digital input. Seeed Studio 101020603

This module allows independent control of two Omron G5LE-14-DC5 SPDT relays, supporting currents up to 10A. Thanks to built-in BSS138K MOSFETs, it can be controlled directly from 3.3V or 5V development boards such as Arduino or Raspberry Pi. Each channel is equipped with an LED to indicate relay activation and 5mm screw terminals for convenient circuit connection. Pololu 5665

Industrial module with Ethernet interface that allows control of 8 relays via RJ45 port and has 8 built-in digital inputs. It uses Modbus TCP protocol, PoE (Power over Ethernet) power supply and is equipped with a rail-mounted housing. Waveshare Modbus POE ETH Relay (B)

Module with 8 SSR relays with a load of up to 3 A. The board communicates via the USB interface. Numato Lab SSR80001-DC

Module with 5V 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.

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

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.