Modbus RTU Relay 16-channel module with RS485 interface - Waveshare 24921

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-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

Module equipped with 12 SPDT electromagnetic relays 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 MD20001

A relay module enabling remote control and automation of devices in IoT systems, smart homes, and industrial automation. Equipped with two independent relays and four digital inputs, it supports 2.4 GHz Wi-Fi, MQTT/MQTTS, and REST API protocols, enabling cloud integration and local control. The module features an AP mode for easy network-free configuration and a color-coded RGB indicator to indicate the device\'s current status. Numato Lab NLWFR002

This module allows you to control two SPDT relays and eight digital inputs up to 24V. Powered via USB Type-C, it operates as a CDC device, allowing for simple operation without additional software. The module is ideal for home automation, IoT projects, test systems, and lighting control. Indicator LEDs and a rugged design ensure intuitive control and reliable operation in a variety of applications. Numato Lab NLUSBRC002

Isolated SPST solid state relay (SSR) for switching loads up to 100 V and 4.5 A with a control signal from 2.7 V to 40 V. The module uses galvanic opto-isolation and a pair of MOSFET transistors, providing silent operation, bidirectional switching, and the ability to operate as a high-side or low-side switch. Pololu 5426

Single-channel relay module equipped with a Qwiic interface, designed for controlling AC and DC loads using a microcontroller. The relay supports loads of up to 10 A at 250 V AC or 10 A at 30 V DC, while the Qwiic connector allows the module to be connected without soldering using a suitable cable. Soldered 333021

Four-channel relay module designed for independent control of four AC or DC loads using a microcontroller. Each of the four relays supports loads of up to 10 A at 250 V AC or 10 A at 30 V DC, while the control circuit is compatible with 3.3 V and 5 V logic levels. Soldered 333022

Two-channel relay module designed for independent control of two AC or DC loads using a microcontroller. Each of the two relays supports loads of up to 10 A at 250 V AC or 10 A at 30 V DC, while the control circuit is compatible with 3.3 V and 5 V logic levels. Soldered 333023