WiFi-controlled relay module for ESP-01/01S

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.

Crowtail-MOSFET 2.0 enables controlling devices powered with up to 50 V DC using a low-voltage signal from a microcontroller. It is used in projects requiring power isolation or switching, such as fans, LED strips or DC motors.

Module Crowtail-SPDT Relay-V2.0 relay module enables controlling devices with high current consumption up to 30 A by means of 5 V logic signals. Intended for automation and control systems, it is used in home and industrial projects.

Crowtail – Dual Coil Latching Relay Module 2.0 is an energy-efficient dual-channel latching relay that retains its state after power loss. Intended for use in automation systems, remote control, and battery-powered projects.

Crowtail-TPL5111 Reset Enable Timer is a module for energy-efficient power control of devices in battery-powered projects. It offers six programmable time intervals and an automatic reset mode, supporting the design of low-power circuits.

This XIAO ESP32-C6-based relay module is designed for intelligent automation. It allows independent control of six channels via Wi-Fi, Zigbee, Thread, or BLE, and thanks to the built-in ESPHome, it easily integrates with Home Assistant. It supports DC devices up to 30V, features two Grove ports for expansion, and comes in an aesthetically pleasing PLA enclosure. Ideal for IoT systems, home automation, lighting, and motor control. Seeed Studio 114993588

A power module for the Pimoroni Yukon platform that allows independent control of two high-current outputs within a voltage range of 5 to 17 V. Built-in diodes and chokes enable excellent handling of inductive loads such as pumps, fans, and solenoids. Each channel can also operate in PWM mode, allowing for smooth power regulation in slow-response devices. The module supports a total current of up to 15 A and includes temperature sensors and a "power good" signal. Pimoroni PIM692

Module equipped with 8 SPDT electromagnetic relays and 12 opto-isolated digital inputs controlled via the RS485 bus using the Modbus RTU protocol. The device enables remote control of loads up to 10 A at 250 V AC or 30 V DC, offering a galvanically isolated RS485 interface, surge protection and DIN 35 mm rail mounting. Configurable communication parameters and flexible power supply options facilitate integration with industrial and building automation systems. MODIG MD20004

Two-channel relay module equipped with optoisolated control inputs and relays with 5V coils. Designed for controlling loads up to 10A at 250VAC from a microcontroller or development platforms

Four-channel relay module equipped with optoisolated control inputs and JQC-3F relays with 5V coils. Designed for controlling loads up to 10A at 250VAC from a microcontroller or development platform

Industrial 6-channel relay module based on the RP2350 microcontroller, featuring an isolated RS485 interface, Pico HAT-compatible header, advanced isolation protection circuits, and integrated Wi-Fi and Bluetooth connectivity, designed for industrial automation and device control. Waveshare RP2350-Relay-6CH-W

Module equipped with 12 SSR solid-state relays and 8 opto-isolated digital inputs controlled via the RS485 bus using the Modbus RTU protocol. The device enables switching of AC loads from 100-240 V AC with currents up to 2 A per channel, offering a galvanically isolated RS485 interface, surge protection and DIN 35 mm rail mounting. Configurable communication parameters and flexible power supply options facilitate integration with industrial and building automation systems. MODIG MD20003