Adafruit FeatherWing module with snap relay

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

4-channel module with relays, designed to work with the Raspberry Pi. It can switch 250VAC/7A or 30VDC/10A signals. SB Components 06670

Module with 4 SSR relays with a load of up to 3 A. The board is equipped with the ULN2003 system and communicates via a digital interface. Numato Lab SSRC40001-DC

This SPST solid-state relay module allows for safe switching of DC circuits up to 30 V and 11 A, offering galvanic isolation and low conduction resistance (approx. 30 mΩ) thanks to the use of back-to-back MOSFET transistors. It features fast switching time (up to 1 ms), low control current consumption (approx. 10 mA), and the ability to control a signal from 2.7 to 40 V. Its compact design, lack of mechanical components, and the ability to mount on 2.54 mm connectors or screw terminals make the module a durable and quiet solution for systems requiring reliable insulation and long service life. Pololu 5421

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

The module is designed for easy and reliable switching between two different power sources. It ensures safe use of two power sources (with voltage from 1.6 to 5.5 V) without the risk of damaging components. Adafruit 5830

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

The 24 V relay module with adjustable delay time offers a practical solution for AC/DC load control in automation and electronics applications

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

The module with 4 relays is designed to work with Arduino. It allows you to control devices with operating parameters up to 250VAC/7A or 30VDC/10A. Seeed Studio 103030009

Module with 8 SSR relays with a load of up to 3 A. The board is equipped with the ULN2003 system and communicates via a digital interface. Numato Lab SSRC80001-AC

The module is equipped with three 5A / 250VAC relays controlled by digital outputs. Relay contacts are led out to ARK screw terminals. Designed to work with NVIDIA Jetson Nano. Waveshare 3-CH Relay for Jetson Nano

The module with the HLS8-T73 relay with a load up to 5 A. The board is equipped with a Grove connector and is controlled by a digital input. Seeed Studio 103020005

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

This industrial relay module, powered by the Raspberry Pi RP2350B microcontroller, features six 10A 250VAC/30VDC relays and an isolated RS485 interface. It ensures safe and stable operation thanks to opto-isolation, power isolation, and surge protection. It supports programming in C/C++, MicroPython, and the Arduino IDE, and the 40-pin Pico HAT connector allows for easy expansion. Its robust DIN housing and 7–36V DC power supply make it ideal for industrial automation and IoT projects. Waveshare RP2350-Relay-6CH

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