Arduino Channel Relay

1Pc ESP8266 4 Channel Wireless WIFI Relay Module -DC Switching Power Supply Module ESP-12F Wifi Development Board For Arduino

ESP32 Relay Board Dual Channel WIFI Relay Module ESP32-WROOM Development Board DC5-60V AC90-250V Arduino Power Supply

T-Relay 5V 8-Channel Relay Module for Arduino ESP32 Wireless Development Board with WIFI Bluetooth and Optocoupler Isolation

4pcs 2 Channel Optocoupler Isolation Relay Module 5V 12V Anti Interference Expansion Board for Arduino PLC

12V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino

2pcs 4 Channel Relay Module 5V 12V Optocoupler Isolation Expansion Board for AVR 51 PIC Arduino

3-Channel Relay Module 5V with Optocoupler for Arduino Control Supports Low Power Trigger and High Current AC/DC Load Handling

5pcs/lot 1 Channel Relay Module 5V Shield for Arduino AVR ARM PIC DSP SRD-05VDC-SL-C

5V 2 Channel Low Level Trigger Relay Module with Optocoupler Smart Home DIY Expansion Board Compatible with Arduino ESP32 Microb

ESP8266 4 Channel Wireless WIFI Relay Module AC-DC Switching Power Supply Module ESP-12F Wifi Development Board For Arduino

RCmall 10PCS 1 Channel Relay Module 5V Low Level Trigger Interface Board Shield DC AC 220V PIC AVR DSP ARM MCU for Arduino

ESP32S 4 Channel WiFi Bluetooth Relay Module 2.4G Antenna Smart Home IoT DIY Remote Control Switch For Arduino

10pcs 4 Channel Relay Board AVR 51 PIC 5V 12V 24V 4-Channel Relay Module With Optocoupler Relay 4 Way Relays Module For Arduino

2 PCS IO22C04*2 DC 5-24V 4 Channel Pro Mini PLC Board Relay Shield Module for Arduino Multifunction Delay Timer Switch Board

6 Channel Relay Module 5V 12V 24V Relay Board Shield With Optocoupler Isolation Support High and Low Level Trigger for Arduino

5PCS 2 Channel 5V 10A Relay Module with Optocoupler Low Level Trigger Expansion Board for Arduino STM32 Raspberry Pi

5V 12V 24V 1 Channel Relay Module Low Level for SCM Household Appliance Control for Arduino 1 Way Relays DIY Electronic Kit

12V 5V 16 Channel Relay Module Interface Board For Arduino PIC ARM DSP PLC With Optocoupler Protection LM2576 Power

LILYGO® T-Relay 5V 8 Channel Relay Module ESP32 Wireless Development Board WIFI Bluetooth With Optocoupler Isolation For Arduino

12V 5V 16 Channel Relay Module Interface Board For Arduino PIC ARM DSP PLC With Optocoupler Protection LM2576 Power

12V 16 Channel Relay Module for arduino ARM PIC AVR DSP Electronic Relay Plate Belt optocoupler isolation

Stlxy HK4100F Relay Module 1/2/3/4 Channel Optocoupler 3.3V-5V Trigger for Arduino

2pcs 1 Channel Relay Module Delay Off Timer Cycle Trigger Switch for Arduino Home Automation LED Control

5v 12v 1 2 4 6 8-channel relay module suitable for Arduino with optocoupler relay output 1 2 4 4 6 8-channel relay module

10pcs 1 Channel Relay Module Interface Board Shield For Arduino 5V 12V 24V Low Level Trigger PIC AVR DSP ARM MCU Relays Board

2016 China Wholesale 5V 16 Channel Relay Module for arduino ARM PIC AVR DSP Electronic Relay Plate Belt optocoupler isolation

[ABDH] 4X ESP8266 Wireless WIFI 4 Channel Relay Module ESP-12F Wifi Development Board for Arduino AC/DC 5V/8-80V Power Supply

Relay Module Modbus 7-24V 4 Channel RTU RS232/TTL UART Optocoupler Isolation 5V 10A MAX3232 For Arduino PLC Industrial Control

5pcs 1 Channel Relay Module Optocoupler Isolation High Low Level Trigger 5V 12V 24V for Arduino Home Automation

Modbus RTU Relay Module 7V 24V RS485 TTL 1 Channel Input Output with Reverse Polarity Protection for Arduino PLC

KY-019 5V 12V 1 Channel Relay Module for Arduino Raspberry Pi

10PCS 5V 12V 24V Relay Module 2 Channel Relays Low Level Triggered 2-Way 2CH Relay Board With Optocoupler Expansion For Arduino

10pcs DC 12V 1 Channel Relay Board Module High Level Trigger for Arduino

5V 16 Channel Relay Module for arduino ARM PIC AVR DSP Electronic Relay Plate Belt optocoupler isolation

12V 5V 16 Channel Relay Module Interface Board For Arduino PIC ARM DSP PLC With Optocoupler Protection LM2576 Power

LCUS 1 2 Channel USB Serial Relay Module PC Computer PLC Intelligent Control Switch for Arduino Smart Home