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

6pcs KY 019 5V 12V 1 Channel Relay Module High Level Trigger with Mounting Hole for Arduino Home Automation

1 2 4 8 channel relay module board Shielded 5/12/24 V with optocoupler supports high and low level triggering for Arduino

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

10pcs KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino 1 Way Relays

DC 5V 12V 1 Channel Output Tilt Slant Angle Sensors Relay Module Golden SW520D Ball Switch Tilt Sensors Module 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

4 Channel 5V Relay Module Relay Control Board for Arduino Raspberry Pi

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

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

ABKI-For PIC AVR DSP For Arduino Compatible 1-Channel Relay Module KY-019 5V 20Pcs Relay Module Shield

10PCS KY-019 5V 1 Channel Relay Module Board High Level Trigger for Arduino PIC AVR ARM 1 Way Relays Board

1PC 4 Channel 5V Relay Module Control Board with LED Indicator Micro USB Input for Arduino Raspberry Pi DIY Project

Single‑Channel Relay ESP32‑S3 N16R8 WiFi Bluetooth Module Development Board DC5‑60V Compatible with ESP‑IDF for Arduino IDE

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

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

4 Channel Relay Module 12V 24V Input Optocoupler Isolation BMZ-04R1 for Arduino

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

Grove Relay Module Relay High Current 5V/10A Small 1-channel Mechanical Relay Switch Arduino

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

HDL 3.3V-5V 1-Channel Relay Module Adjustable Resistance Sensor for Arduino Development Board

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

8 channel 8-channel relay control panel PLC relay 5V module for arduino hot sale in stock

5pcs 1/2 Channel 5V Solid State Relay Module Low-level Direct Current Controlling Alternating Current 250V2A For Arduino

ESP8266 Wireless WIFI Relay Module 2/4/8 Channel ESP-12F Wifi Development Board AC/DC 5V/7-28V/5-80V Power Supply for Arduino

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

3V 3.3V 1/2/4 Channel Relay Module, Low Trigger Lighting Relay with Light, 4-way Arduino

AA08-2X Wireless WIFI 4 Channel Relay Module ESP-12F Wifi Development Board For Arduino AC/DC 5V/8-80V Power Supply

8 Channel Pro Module for Arduino LED Home Battery Car Delay Relay Time Switch for Smart Motorcycle

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

5pcs 1 Channel Relay Module High Level Trigger Expansion Board 10A for Arduino Microcontroller Home Automation