Arduino Channel Relay

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

1/2/4/8 Channel Relay Module 5V 12V 24V Optocoupler Isolation High Low Level Trigger Relay Board For MCU Arduino DIY

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

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

ESP32 WiFi Bluetooth Single-Channel Relay Module, AC 220V Input, 30A Relay, UART, Arduino ESP-IDF Development Board

Keyestudio 4 channel 5V Relay Shield module for Arduino UNO R3

16 Channel Relay Shield Module DC 5V 12V 24V with Optocoupler LM2576 Microcontrollers Interface Power Relay For Arduino DIY Kit

1-100PCS KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay diy kit electronics components

4Pcs Relay Module Single Channel Relay Board Module for Appliances Control Compatible with Arduino Arm Avr 5V

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

5V 1/2/4/6/8 Channel Solid State Relay Module Hight / Low Level SSR G3MB-202P 240V 2A Output with Resistive Fuse For Arduino

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

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

[NEWA76K!】 For Switch PCB Board For Arduino Raspberry Pi Compatible 5 Pack Mini 1 Channel 12V DC DPDT Relay Module

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

Caspian store100Pcs 1-Channel 5V/12V Relay Module, Low Level Trigger, Opto-Isolated for Arduino/SCM

5V 2 Channel Relay Module with Optocoupler Isolation Compatible Arduino ESP32 Raspberry Pi PLC DIY Projects

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

4-Channel 5v relay module UNO R3 relay control board relay expansion board compatible with Arduino

Relay Module 8 Channel 5V 12V 24V Board Shield With Optocoupler Isolation Support High and Low Level Trigger for Rasp Pi Arduino

10/20/50/100PCS UMW ULN2003A SOP‑16 SMD Darlington Transistor Array Chip 7‑Channel Relay Driver IC For Arduino

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

DC 5-10V Channel High Current PWM Relay Module with High and Low Level Trigger for arduino Raspberry

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

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

1/2/5/10PCS 5V 2 Channel Relay Module with Optocoupler Isolation Compatible Arduino ESP32 Raspberry Pi PLC DIY Projects

10pcs 5V 12V 1 One Channel Relay Module Low Level For SCM Household Appliance Control For arduino DIY Kit

5V 1 One Channel Relay Module Low Level for SCM Household Appliance Control for arduino DIY Kit

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

4Pcs Relay Module Single Channel Control Relay Board Compatible for Arduino Arm Avr Appliances Control Module 5V

8 Channel 12V 24V Relay Shield Module RS485 PLC IO Expanding Board For Arduino NANO V3.0

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

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