8 Channel USB Solid State Relay Module - module with 8 SSR AC relays and USB communication

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

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

Module with 8 relays and 8 IO pins and 8 analog inputs. It communicates via the RS485 or USB interface and supports the Modbus RTU protocol. Numato Lab NLRE1001-A

Industrial module with 8 relays and 8 digital inputs. It communicates via the RS485 interface and supports communication using the Modbus RTU protocol. Waveshare Modbus RTU Relay (D)

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

The Pololu 5423 module provides reliable load control in RC systems with full galvanic isolation. The SPST solid-state relay supports up to 6 A at voltages up to 60 V and is suitable for applications requiring silent operation, durability, and precise control using RC signals. The version without soldered connectors offers flexibility for adaptation to individual projects.

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 with 2 relays is designed for the M5Stack sets. It allows you to control devices with an operating voltage of up to 250 V AC and a current of up to 8 A or a voltage of 28 V DC and a current of 8 A. M5Stack U131

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

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 a 12 V relay and a timer. It enables the implementation of delayed switching on or off of the circuit with the possibility of time adjustment

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

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

Module with 4 relays with a maximum switching current of 7 A. Equipped with the ATmega328P microcontroller, it can be programmed in the Arduino IDE. Numato Lab PRLY002

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

Module with 32 relays 12 V with a maximum switching current of 7 A. Numato Lab RL320003