32 Channel Relay Controller Board - a module with 32 relays

The module contains four 5V relays with a maximum current of 10A (250 VAC) and opto-isolated inputs, and with jumpers it is possible to select switching with high or low status. The module is equipped with screw connectors. modRL04_ISO

The module with the relay is designed for the M5Stack sets. It allows you to control devices with a working voltage of up to 220 V AC and a current of up to 3 A or a voltage of 30 V DC and an intensity of 3 A. M5Stack U023

Module with SSR M281 relay with a load of up to 1 A. The board is equipped with a Grove connector and is controlled by a digital input. Seeed Studio 101020603

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.

Switch module with a maximum voltage of 40 V and a current of 10 A, based on a MOSFET transistor, HT0740 driver and I2C expander. It has a screw connection and a status LED. Pimoroni PIM455

Extension module compatible with Raspberry Pi. The board is equipped with three 24 V 2 A relays, three buffer inputs, three sink outputs and three analog inputs with a working range up to 24 V. Pimoroni PIM213

Module with 32 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 NLRM1002-A

The module is dedicated to home automation based on the Raspberry Pi. It allows you to control two devices 250VAC/7A or 30VDC/10A, providing isolation with an optocoupler. SB Components 21932

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

The module is ideal for applications requiring precise control and signal processing, with the ability to be easily controlled via Ethernet. Numato Lab NLETHGC016-HB

Module with 8 relays 24 V with a maximum switching current of 7 A. Communicates via the USB interface. Numato Lab RL80001-24

Module with 16 relays and 8 IO pins and 8 analog inputs. It communicates via the RS485 or USB interface and supports the Modbus RTU protocol. Numato Lab NLRE1002-A

ModRL01 module with 10A/250VAC (10A/24VDC) relay, supply of 5 V load relay coil, additional control circuit, protected overvoltage control

5V relay module with IR receiver. Comes with a remote control

Module with SSR relay with a load of up to 3 A. It communicates via the USB interface and does not require additional power supply. Numato Lab SSRP20001-AC

Module with 8 relays with a voltage of 24 V and a load of up to 10 A. The board communicates via the Ethernet interface. Numato Lab 8ETHRL001-24