4 Channel Programmable Relay Module - a programmable module with 4 relays

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 31790

The module with two 12 V relays and optoisolation enables safe control of AC and DC loads from a microcontroller. Support for high-level or low-level triggering and LED indication make it a universal component in automation systems, control applications, and DIY projects. modRL02_ISO-12V

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.

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.

Pololu 5424 enables precise switching of loads up to 10 A at voltages up to 30 V, providing galvanic isolation as well as silent and maintenance-free operation thanks to the use of a solid-state relay. Ideal for controlling devices in RC systems, automation, and projects requiring durability and reliability.

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.

The Pololu 5422 module enables precise and safe control of loads in RC systems while maintaining galvanic isolation. The solid-state relay with SPST configuration provides silent switching of currents up to 6 A and voltages up to 60 V. It is dedicated to switching motors, valves, and other components in RC and automation projects.

Four-channel relay module with optoisolation, allowing control of loads up to 10 A at 250 V AC or 30 V DC. Thanks to standard interfaces and separate JD-VCC power supply, it is compatible with most microcontrollers and automation systems, ensuring safe integration and convenient installation.

Iduino relay module with 2 channels and optoisolation, enabling control of loads up to 10 A at 250 V AC or 110 V DC. Powered by 5 V, it is ideally compatible with microcontrollers and development kits, providing safe and convenient circuit switching.

A versatile board for two SPDT "sugar cube" relays, allowing for easy control using 2.5-20V logic signals. Built-in BSS138K MOSFETs and LEDs indicating channel activation make the module ideal for use with Arduino and Raspberry Pi. The board supports 5V or 12V relays, and JST SH connectors and 5mm terminal holes ensure convenient connection. Pololu 5667

This module allows independent control of two Omron G5LE-14-DC12 SPDT relays, supporting currents up to 10A. Thanks to built-in BSS138K MOSFETs, it can be controlled directly from 3.3V or 5V development boards such as Arduino or Raspberry Pi. Each channel is equipped with an LED to indicate relay activation and 5mm screw terminals for convenient circuit connection. Pololu 5666

This module allows independent control of two Omron G5LE-14-DC5 SPDT relays, supporting currents up to 10A. Thanks to built-in BSS138K MOSFETs, it can be controlled directly from 3.3V or 5V development boards such as Arduino or Raspberry Pi. Each channel is equipped with an LED to indicate relay activation and 5mm screw terminals for convenient circuit connection. Pololu 5665

A compact board that allows for easy connection of a standard SPDT "sugar cube" relay in electronics projects. An integrated MOSFET transistor allows for relay control using a 2.5V to 20V logic signal, and two LEDs indicate its status. The module is equipped with a 3-pin JST SH connector and 5mm terminal holes for easy installation and integration with microcontrollers. Pololu 5664

A compact Omron G5LE-14-DC12 relay module that allows you to control loads up to 10 A with a coil voltage of 12 V. Thanks to the BSS138K MOSFET transistor, it can be activated by a 2.5 V to 20 V logic signal, facilitating interoperability with microcontrollers. The module is equipped with 5 mm screw terminals, a 3-pin JST SH connector, and LEDs to indicate operation. Pololu 5663

A compact relay module with an Omron G5LE-14-DC5 relay, capable of controlling loads up to 10 A with a 5 V coil voltage. Thanks to a BSS138K MOSFET transistor, it can be activated by a 2.5 V to 20 V logic signal, facilitating interoperability with microcontrollers. The module is equipped with 5 mm screw terminals, a 3-pin JST SH connector, and LEDs to indicate operation. Pololu 5662

Crowtail – Dry-Reed Relay 2.0 is a compact reed relay with hermetically sealed contacts, providing fast and reliable switching. Used in automation systems, microelectronics, and detection systems requiring precision and durability.