2 Channel Relay Controller Board - module with 2 relays

4 route MOSFET switch module V2.0, IRF540, RoHS

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

Module with electromechanical relay. It allows you to control devices with an operating voltage of up to 250 V AC and a current of up to 3 A or a voltage of 30 V DC and a current of 3 A

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

2 Channel 5V Relay Module

Relay module for the WeMos D1 Mini WiFi set

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 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.

6-channel module with relays, designed to work with the Raspberry Pi. It can switch 250VAC/7A or 30VDC/10A signals. SB Components 21802

Module with 5 V relay with a maximum switching current of 2 A. It communicates via the USB interface and does not require an additional power supply. Numato Lab USBPOWRL002

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

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 the SLA-05VDC-SL-C relay with a maximum load of 30 A. The board is equipped with a Grove connector and is controlled by a digital signal. Seeed Studio 103020012

Module with 4 SSR relays with a load of up to 3 A. The board communicates via the USB interface. Numato Lab SSR40001-AC

Module with SSR 240V/2A relay controlled by 5V voltage with fuse. modSSR-1CH

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