

A module with 8 PC817 optocouplers. Allows you to add galvanic separation in the form of opto-isolation between electrical circuits. It provides information exchange by physically separating the circuits, which increases the safety of the device and reduces the impact of interference. It is used in automation, control systems and switching power supplies.
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A module with two PC817 optocouplers. Allows you to add galvanic separation in the form of opto-isolation between electrical circuits
A module with 4 PC817 optocouplers. Allows you to add galvanic separation in the form of opto-isolation between electrical circuits
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.
Module with 8 relays and 10 analog inputs. Communicates via the WiFi wireless interface. Numato Lab WFRL80001
No product available!
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 8 relays SSR G3MC202P with a load up to 2 A. The board is equipped with a Grove connector and communicates via I2C. Seeed Studio 103020136
No product available!
Switch module with a maximum voltage of 12 V and a current of 10 A based on a MOSFET transistor, controlled by a digital pin. It is equipped with a screw connection and a status LED. SparkFun SPX-19799
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
The module is ideal for applications requiring precise control and signal processing, with the ability to be easily controlled via Ethernet. Numato Lab NLETHGC016-HT
No product available!
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
Module with 8 relays with a voltage of 12 V and a load of up to 7 A. The board communicates via the Bluetooth wireless interface. Numato Lab BTRL001
No product available!
Numato Lab\'s 1-Channel USB Relay Module is an easy-to-use, flexible and versatile device, ideal for remote control of devices, home automation, prototyping and DIY projects, offering a 5V DPDT relay, GPIO, analog inputs and compatibility with multiple operating systems and serial console applications
No product available!
Industrial module based on the ESP32-S3 microcontroller, which supports WiFi, Bluetooth and RS485 interface. Equipped with 6 high-power relays (up to 10A at 250VAC/30VDC), it allows for safe control of various devices and integration with industrial sensors via the Modbus protocol. The module supports popular programming environments such as Arduino and MicroPython, making it ideal for AIoT and remote monitoring applications. Waveshare ESP32-S3-Relay-6CH
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
The module contains four 5V relays with a maximum current of 10A (250 VAC) and opto-isolated inputs, and with jumpers it is possible to select switching with high or low status. The module is equipped with screw connectors. modRL04_ISO
No product available!
Module with 32 relays 12 V with a maximum switching current of 7 A. Numato Lab RL320003
No product available!
A module with 4 PC817 optocouplers. Allows you to add galvanic separation in the form of opto-isolation between electrical circuits
1-channel module with a relay 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 21277
A module with 8 PC817 optocouplers. Allows you to add galvanic separation in the form of opto-isolation between electrical circuits