2 Channel Solid State Relay Controller Board - module with 2 SSR AC relays

The 5 V relay module enables safe switching of high-voltage loads via microcontroller logic. Its compact size, mechanical durability, and wide operating conditions make it a versatile choice for automation, lighting control, and DIY electronics projects.

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

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 32 24 V relays with a load of up to 7 A. The board communicates via the Ethernet interface. Numato Lab 32ETHRL001-24

Module with 16 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 NLRM1001-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.

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

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 4 SSR relays with a load of up to 3 A. The board communicates via the Ethernet interface. Numato Lab 4ETHSSR001-DC

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

The module with the TPL5110 timer, which can generate a signal with an adjustable period from 100 ms to 2 h. It also works well as an external Watchdog Timer. Adafruit 3435

Module with 32 relays and 8 analog inputs. Communicates via the WiFi wireless interface. Numato Lab WFRL320001

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

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

Industrial relay module controlled via RS485 interface with Modbus RTU protocol support, offering 8 outputs with maximum load of 10 A. Equipped with galvanic isolation, opto-isolation, TVS diodes and DIN mounting, it ensures safe and reliable operation in harsh industrial conditions. Thanks to functions such as flash-on/off, configurable RS485 address (1-255), signaling diodes and wide power supply range (7-36 V), the module is perfect for building automation and device control. Waveshare Modbus RTU Relay (B)

Extension module compatible with Raspberry Pi. The board is equipped with three 24 V 2 A relays, three buffer inputs, three sink outputs and three analog inputs with a working range up to 24 V. Pimoroni PIM213