CentIoT - 2 Channel 5V 10A Relay Module WITH OPTOCOUPLER - AC and DC Appliance Control - for Arduino DSP AVR PIC ARM

CentIoT - 2 Channel 5V 10A Relay Module WITH OPTOCOUPLER - AC and DC Appliance Control - for Arduino DSP AVR PIC ARM

4.1
33 Br
ELEGOO 8 Channel DC 5V Relay Module with Optocoupler Compatible with Arduino UNO R3 MEGA 1280 DSP ARM PIC AVR STM32

ELEGOO 8 Channel DC 5V Relay Module with Optocoupler Compatible with Arduino UNO R3 MEGA 1280 DSP ARM PIC AVR STM32

4.6
41 Br
AEDIKO 4pcs Relay Module DC 5V 1 Channel Relay Board with Optocoupler Isolation Support High or Low Level Trigger

AEDIKO 4pcs Relay Module DC 5V 1 Channel Relay Board with Optocoupler Isolation Support High or Low Level Trigger

4.7
156 Br
Relay Module 4 Channel 5V for Arduino UNO R3 MEGA 2560 DSP ARM PIC AVR STM32 Raspberry Pi

Relay Module 4 Channel 5V for Arduino UNO R3 MEGA 2560 DSP ARM PIC AVR STM32 Raspberry Pi

4.2
193 Br
5v Relay Module 5V Indicator Light LED 1 Channel Relay Module for Arduino ARM PIC AVR MCU

5v Relay Module 5V Indicator Light LED 1 Channel Relay Module for Arduino ARM PIC AVR MCU

4.6
180 Br
kwmobile 2 Channel Relay Module - 5V Relay Board for Arduino Raspberry Pi with Optocoupler - Pack of 3

kwmobile 2 Channel Relay Module - 5V Relay Board for Arduino Raspberry Pi with Optocoupler - Pack of 3

4.5
230 Br
RIV International 5V 1 Channel Relay Module For Arduino 2 Pcs Pack

RIV International 5V 1 Channel Relay Module For Arduino 2 Pcs Pack

4.5
43 Br
VooGenzek 5 PCS 5V 1-Channel Relay Module Board Shield High Level Trigger for PIC AVR DSP ARM Compatible with Arduino

VooGenzek 5 PCS 5V 1-Channel Relay Module Board Shield High Level Trigger for PIC AVR DSP ARM Compatible with Arduino

4.4
216 Br
DC 5V Relay Module 1-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger, Pack of 10

DC 5V Relay Module 1-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger, Pack of 10

4.7
57 Br
AZDelivery 1-Relay 5V KY-019 Module High-Level-Trigger compatible with Arduino including E-Book!

AZDelivery 1-Relay 5V KY-019 Module High-Level-Trigger compatible with Arduino including E-Book!

4.6
22 Br
HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger

HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger

4.6
296 Br
HiLetgo 2pcs DC 12V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 12V

HiLetgo 2pcs DC 12V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 12V

4.5
65 Br
AITRIP 10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger Compatible with Arduino Raspberry pi ARM AVR

AITRIP 10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger Compatible with Arduino Raspberry pi ARM AVR

4.4
247 Br
Pcchips 2 Channel Relay Module

Pcchips 2 Channel Relay Module

4.0
184 Br
four 4 Channel 5V Relay Module Board Arduino raspberry pi

four 4 Channel 5V Relay Module Board Arduino raspberry pi

4.6
169 Br
SunFounder Lab 4 Relay Module 5V 4 Channels Relay Module Compatible with Arduino R3 1280 Arm PIC AVR STM32

SunFounder Lab 4 Relay Module 5V 4 Channels Relay Module Compatible with Arduino R3 1280 Arm PIC AVR STM32

4.6
209 Br
PENGLIN 5PCS 5V Relay Module with Optocoupler High or Low Level Trigger Expansion Board for Raspberry Pi Arduino

PENGLIN 5PCS 5V Relay Module with Optocoupler High or Low Level Trigger Expansion Board for Raspberry Pi Arduino

4.0
59 Br
6Pack 2 Channel DC 5V Relay Module with Optocoupler Relay Board for Arduino Raspberry Pi MEGA2560

6Pack 2 Channel DC 5V Relay Module with Optocoupler Relay Board for Arduino Raspberry Pi MEGA2560

4.7
284 Br
Generic(Unbranded)4-Channel Relay Control Board Module With Optocoupler, 4 Way Relay Module for Arduino

Generic(Unbranded)4-Channel Relay Control Board Module With Optocoupler, 4 Way Relay Module for Arduino

4.1
176 Br
Gasea 2pcs 8 Channel DC 5V Relay Module with Optocoupler for Arduino Raspberry Pi DSP AVR PIC ARM

Gasea 2pcs 8 Channel DC 5V Relay Module with Optocoupler for Arduino Raspberry Pi DSP AVR PIC ARM

4.6
348 Br
Yizhet 5V 8 Channel-Relay DC 5V 230V Relay Shield Module Control Board with Optocoupler for Raspberry Pi Arduino PIC AVR MCU DSP ARM TTL Logic (8 Channel)

Yizhet 5V 8 Channel-Relay DC 5V 230V Relay Shield Module Control Board with Optocoupler for Raspberry Pi Arduino PIC AVR MCU DSP ARM TTL Logic (8 Channel)

4.3
245 Br
DollaTek 5PCS KY-019 5V One Channel Relay Module Board Shield For PIC AVR DSP ARM for arduino Relay

DollaTek 5PCS KY-019 5V One Channel Relay Module Board Shield For PIC AVR DSP ARM for arduino Relay

4.3
29 Br
Arduino and Raspberry Pi 5v Relay Module 1 Channel for Switching Automation

Arduino and Raspberry Pi 5v Relay Module 1 Channel for Switching Automation

4.3
185 Br
2PCS 4 Channel 5V Relay Module with Optocoupler High or Low Level Trigger Expansion Board for Raspberry Pi Arduino

2PCS 4 Channel 5V Relay Module with Optocoupler High or Low Level Trigger Expansion Board for Raspberry Pi Arduino

4.4
254 Br
UIOTEC 5v Relay Module for Arduino ARM PIC AVR MCU 5V Indicator Light LED 1 Channel Relay Module Works with Official Arduino Boards

UIOTEC 5v Relay Module for Arduino ARM PIC AVR MCU 5V Indicator Light LED 1 Channel Relay Module Works with Official Arduino Boards

4.6
205 Br
Yizhet 8 Channel DC 5V DC 230V Relay Shield Module Control Board with Optocoupler for Raspberry Pi DSP AR PIC ARM TTL Logic (5V 8 Channels)

Yizhet 8 Channel DC 5V DC 230V Relay Shield Module Control Board with Optocoupler for Raspberry Pi DSP AR PIC ARM TTL Logic (5V 8 Channels)

4.3
131 Br
4 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM

4 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM

4.6
202 Br
Treedix 4 Channel DC 12V Relay Module with Optocoupler Isolation Relay Control Board Compatible with Arduino UNO R3 Raspberry Pi DSP AVR PIC ARM

Treedix 4 Channel DC 12V Relay Module with Optocoupler Isolation Relay Control Board Compatible with Arduino UNO R3 Raspberry Pi DSP AVR PIC ARM

4.1
152 Br
RIV International 2pcs 5V Single 1 Channel Relay Module Board Shield For Arduino

RIV International 2pcs 5V Single 1 Channel Relay Module Board Shield For Arduino

33 Br
HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger

HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger

4.6
205 Br
Robodo MO57 12V 10A 8 Ch Channel Opto Coupler Relay Board Module for Arduino Raspberry Pi

Robodo MO57 12V 10A 8 Ch Channel Opto Coupler Relay Board Module for Arduino Raspberry Pi

4.0
176 Br
Robotbanao 2-Channel 5V Relay Board Expansion Module-Control Large Voltages-Optocoupler Low Level Trigger Expansion Board-AC-DC Appliance Control

Robotbanao 2-Channel 5V Relay Board Expansion Module-Control Large Voltages-Optocoupler Low Level Trigger Expansion Board-AC-DC Appliance Control

3.8
154 Br
1 Channel Relay Shield Module, 3PCS DC 5V Indicator Light LED Module for Arduino R3 MEGA 2560 1280 ARM PIC AVR STM32 Raspberry Pi MCU DSP Official Boards Shield (3PCS)

1 Channel Relay Shield Module, 3PCS DC 5V Indicator Light LED Module for Arduino R3 MEGA 2560 1280 ARM PIC AVR STM32 Raspberry Pi MCU DSP Official Boards Shield (3PCS)

4.5
203 Br
4pcs 4 Channel 5V Relay Module with Optocoupler for R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 for Raspberry Pi

4pcs 4 Channel 5V Relay Module with Optocoupler for R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 for Raspberry Pi

47 Br
Robodo MO24 5V 2Ch 2 Channel Relay Module Ttl Arduno Compatible PIC Arm AVR

Robodo MO24 5V 2Ch 2 Channel Relay Module Ttl Arduno Compatible PIC Arm AVR

4.2
143 Br
5pcs 2 Channel DC 5V 12V 24V Relay Module with Optocoupler Low Level Trigger Expansion Board (5V)

5pcs 2 Channel DC 5V 12V 24V Relay Module with Optocoupler Low Level Trigger Expansion Board (5V)

30 Br
Besomi Electronics 4 Channel Relay Opto-Couple for ARM AVR DSP Arduino 4-Channel Relay Interface Board (5VDC)

Besomi Electronics 4 Channel Relay Opto-Couple for ARM AVR DSP Arduino 4-Channel Relay Interface Board (5VDC)

182 Br
UIOTEC 8 Channel DC 12V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM

UIOTEC 8 Channel DC 12V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM

5.0
33 Br
JBtek4 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM

JBtek4 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM

4.6
208 Br
3pcs Relay Module for Arduino, ESP32, ESP8266, Raspberry Pi, 1 Channel, 5V, High/Low Level Trigger

3pcs Relay Module for Arduino, ESP32, ESP8266, Raspberry Pi, 1 Channel, 5V, High/Low Level Trigger

4.2
225 Br
Robodo 1C12VRELAY 1 Channel 12V Low Level Trigger Relay Module for Arduino

Robodo 1C12VRELAY 1 Channel 12V Low Level Trigger Relay Module for Arduino

4.0
155 Br
12v Relay Module，8Pack 1 Channel Relay Module 12v Relay Board with Optocoupler Support High/Low Level Trigger for Arduino Relay

12v Relay Module，8Pack 1 Channel Relay Module 12v Relay Board with Optocoupler Support High/Low Level Trigger for Arduino Relay

4.6
65 Br
SainSmart 16-Channel 12V Relay Module Board for Arduino DSP AVR PIC ARM

SainSmart 16-Channel 12V Relay Module Board for Arduino DSP AVR PIC ARM

4.4
319 Br
5v 8 Channel Relay Module With Optocoupler For Arduino

5v 8 Channel Relay Module With Optocoupler For Arduino

4.4
39 Br
HiLetgo 2pcs DC 12V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 12V

HiLetgo 2pcs DC 12V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 12V

4.5
216 Br
Robotbanao 5V 10A 2 Channel Relay Module Shield for Arduino Arm Pic AVR DSP

Robotbanao 5V 10A 2 Channel Relay Module Shield for Arduino Arm Pic AVR DSP

4.2
159 Br
5v Relay Module 1 Channel Relay Board for Raspberry Pi with Opto-Isolated High or Low Level Trigger 5v 1 Channel Relay Switch for Arduino

5v Relay Module 1 Channel Relay Board for Raspberry Pi with Opto-Isolated High or Low Level Trigger 5v 1 Channel Relay Switch for Arduino

4.4
49 Br
xcluma 4 Channel 5V Relay Board Module Relay Expansion Board For Arduino Rasp

xcluma 4 Channel 5V Relay Board Module Relay Expansion Board For Arduino Rasp

4.3
154 Br
JBtek 8 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM

JBtek 8 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM

4.4
247 Br
Electronic Spices 5v 1 Channel Relay Module Compatible With 5v Microcontroller

Electronic Spices 5v 1 Channel Relay Module Compatible With 5v Microcontroller

3.7
4 Br
Azuocn 4 Pack 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger (5V)

Azuocn 4 Pack 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger (5V)

4.0
265 Br
HiLetgo 12V 4 Channel Relay Module with OPTO-Isolated Support High and Low Level Trigger

HiLetgo 12V 4 Channel Relay Module with OPTO-Isolated Support High and Low Level Trigger

4.5
52 Br
Low Level Triggered 4 Channel 12V, 4-way Relay Module for Arduino

Low Level Triggered 4 Channel 12V, 4-way Relay Module for Arduino

213 Br
Tongling Arduino 1-Channel Relay Module Board (5V)

Tongling Arduino 1-Channel Relay Module Board (5V)

1
18 Br
Eight Channel Relay Arduino model with light coupling

Eight Channel Relay Arduino model with light coupling

41 Br
High-Precision KY-040 Rotary Encoder Module for Arduino and Raspberry Pi - Ultra-Sensitive Rotational Sensor with Integrated Push Button - Ideal for Robotic, Automation, and DIY Electronics Projects

High-Precision KY-040 Rotary Encoder Module for Arduino and Raspberry Pi - Ultra-Sensitive Rotational Sensor with Integrated Push Button - Ideal for Robotic, Automation, and DIY Electronics Projects

65 Br
CentIoT - 8 Channel 5V 10A Relay Module WITH OPTOCOUPLER - AC and DC Appliance Control - for Arduino DSP AVR PIC ARM

CentIoT - 8 Channel 5V 10A Relay Module WITH OPTOCOUPLER - AC and DC Appliance Control - for Arduino DSP AVR PIC ARM

23 Br
HiLetgo Relay Shield 5V 4 Channel Arduino UNO R3 Relay Shield Arduino Shield

HiLetgo Relay Shield 5V 4 Channel Arduino UNO R3 Relay Shield Arduino Shield

4.1
281 Br
RIV International 2 Pcs 1 Channel 5V Relay Module With Optocoupler Isolation Support High or Low Level Trigger

RIV International 2 Pcs 1 Channel 5V Relay Module With Optocoupler Isolation Support High or Low Level Trigger

276 Br
ELEGOO Upgraded 37 in 1 Sensor Modules Kit with Tutorial Compatible with Arduino IDE UNO R3 MEGA Nano

ELEGOO Upgraded 37 in 1 Sensor Modules Kit with Tutorial Compatible with Arduino IDE UNO R3 MEGA Nano

5.0
350 Br
ARCELI 4 Channel DC 5V Relay Module with Expansion Card for Arduino UNO3 Protection Optical Optocoupler

ARCELI 4 Channel DC 5V Relay Module with Expansion Card for Arduino UNO3 Protection Optical Optocoupler

4.6
26 Br
ArduinoRelay 16 Channel - 5V Module for Uno Mega2560 and Raspberry Pi

ArduinoRelay 16 Channel - 5V Module for Uno Mega2560 and Raspberry Pi

3.2
233 Br
Arduino IR Infrared Obstacle Avoidance Sensor Module for

Arduino IR Infrared Obstacle Avoidance Sensor Module for

3.8
148 Br
bizofft 1 Channel Solid State Relay Board, Signal Trigger Mode Low Control Power Electronic Components Durable 1 Channel SSR Boards for Motor(5V)

bizofft 1 Channel Solid State Relay Board, Signal Trigger Mode Low Control Power Electronic Components Durable 1 Channel SSR Boards for Motor(5V)

20 Br
Yizhet 5V 2 Channel-Relay DC 5V Relay Shield Module Control Board with Optocoupler for Arduino PIC AVR MCU DSP ARM TTL Logic 258032

Yizhet 5V 2 Channel-Relay DC 5V Relay Shield Module Control Board with Optocoupler for Arduino PIC AVR MCU DSP ARM TTL Logic 258032

4.4
659 Br
1 Channel 5V Learning Wireless Smart Relay Module DIY Remote Control Smart Switch with Shell

1 Channel 5V Learning Wireless Smart Relay Module DIY Remote Control Smart Switch with Shell

24 Br
SainSmart 8-Channel Relay Module

SainSmart 8-Channel Relay Module

64 Br
TOLAKO5v Relay Module 5V Indicator Light LED 1 Channel Relay Module for Arduino ARM PIC AVR MCU

TOLAKO5v Relay Module 5V Indicator Light LED 1 Channel Relay Module for Arduino ARM PIC AVR MCU

4.7
115 Br
Reland SunCH16 16-Channel Relay Module board (12V)

Reland SunCH16 16-Channel Relay Module board (12V)

122 Br
Relay 16 Channel 5V Module for Arduino UNO MEGA 2560 R3 Raspberry Pi Board

Relay 16 Channel 5V Module for Arduino UNO MEGA 2560 R3 Raspberry Pi Board

44 Br
CentIoT1 Channel 5V 10A Relay Module WITH OPTOCOUPLER - AC and DC Appliance Control - for Arduino DSP AVR PIC ARM

CentIoT1 Channel 5V 10A Relay Module WITH OPTOCOUPLER - AC and DC Appliance Control - for Arduino DSP AVR PIC ARM

4.9
162 Br
SongHe 1 Channel DC 3V Relay High Level Driver Module Optocoupler Relay Module Isolated Drive Control Board for Arduino (Pack of 5)

SongHe 1 Channel DC 3V Relay High Level Driver Module Optocoupler Relay Module Isolated Drive Control Board for Arduino (Pack of 5)

4.4
415 Br
ESP8266 Relay Module, Relay Module Development Board for Smart Home Control

ESP8266 Relay Module, Relay Module Development Board for Smart Home Control

241 Br
Besomi Electronics5V Relay Module | 1-Channel Relay Board | High-Performance Control for Electronics Projects (10PCS)

Besomi Electronics5V Relay Module | 1-Channel Relay Board | High-Performance Control for Electronics Projects (10PCS)

83 Br
ELEGOO Upgraded Electronics Fun Kit w/Power Supply Module, Jumper Wire, Precision Potentiometer, 830 tie-Points Breadboard for Arduino, STM32

ELEGOO Upgraded Electronics Fun Kit w/Power Supply Module, Jumper Wire, Precision Potentiometer, 830 tie-Points Breadboard for Arduino, STM32

4.5
347 Br
Hailege 2pcs 12V 1 Channel Relay Module Relay Switch With Optocoupler Isolation Support High or Low Level Trigger

Hailege 2pcs 12V 1 Channel Relay Module Relay Switch With Optocoupler Isolation Support High or Low Level Trigger

4.4
278 Br
AZDelivery8-Channel 5V Relay Module with Optocoupler Low Level Trigger compatible with Arduino Including E-Book!

AZDelivery8-Channel 5V Relay Module with Optocoupler Low Level Trigger compatible with Arduino Including E-Book!

4.6
253 Br
Hailege 2pcs DC 12V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 12V

Hailege 2pcs DC 12V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 12V

3.8
37 Br
AZDelivery 4 Channel Relay Module DC 5V with Optocoupler Low-Level Trigger Relay Shield Board compatible with Arduino Including E-Book! (Pack of 3)

AZDelivery 4 Channel Relay Module DC 5V with Optocoupler Low-Level Trigger Relay Shield Board compatible with Arduino Including E-Book! (Pack of 3)

4.6
278 Br
ONE CHANNEL RELAY MODULE 5VDC

ONE CHANNEL RELAY MODULE 5VDC

100 Br
DollaTek 5V 1-Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

DollaTek 5V 1-Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

5
24 Br
Valefod DC 5V Relay Module 1-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger, Pack of 10

Valefod DC 5V Relay Module 1-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger, Pack of 10

4.3
315 Br
UIOTEC WiFi Relay Module Control Switch ESP8266 ESP-01S 5V for Arduino Phone APP ESP01S

UIOTEC WiFi Relay Module Control Switch ESP8266 ESP-01S 5V for Arduino Phone APP ESP01S

61 Br
Hailege 2pcs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger

Hailege 2pcs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger

5
52 Br
2pcs 12V 4 Channel Relay Module with OPTO-Isolated Support High and Low Level Trigger

2pcs 12V 4 Channel Relay Module with OPTO-Isolated Support High and Low Level Trigger

44 BYN
1 Channel Relay Module For Arduino PI ARM AVR DSP PIC (5V) - UMTMedia®

1 Channel Relay Module For Arduino PI ARM AVR DSP PIC (5V) - UMTMedia®

66 Br
AZDelivery 5 x 16 Channel Relay Module DC 12V with Optocoupler Low Level Trigger Relay Module Board compatible with Arduino Including E-Book!

AZDelivery 5 x 16 Channel Relay Module DC 12V with Optocoupler Low Level Trigger Relay Module Board compatible with Arduino Including E-Book!

4.5
FREE
AEDIKO 8 Channel Relay Module DC 5V Relay Switch with Optocoupler Isolation High/Low Level Trigger

AEDIKO 8 Channel Relay Module DC 5V Relay Switch with Optocoupler Isolation High/Low Level Trigger

5.0
39 Br
Valefod DC 12V Relay Module 1-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger, Pack of 10

Valefod DC 12V Relay Module 1-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger, Pack of 10

4.7
301 Br
4 Channel Relay Module, 4 Channel Relay Board 5V Relay Module with Optocoupler High & Low Trigger Module for Arduino 5V/12V/24V(5V)

4 Channel Relay Module, 4 Channel Relay Board 5V Relay Module with Optocoupler High & Low Trigger Module for Arduino 5V/12V/24V(5V)

4.4
53 Br
sainsmart4-Channel Relay Module

sainsmart4-Channel Relay Module

4.6
44 Br
Hailege 12V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module

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

4.3
239 Br
Innfeeltech6pcs DC 5V Relay Module 2 Channel Relay with Optocoupler High or Low Level Trigger Expansion Board

Innfeeltech6pcs DC 5V Relay Module 2 Channel Relay with Optocoupler High or Low Level Trigger Expansion Board

68 Br
Arduino RC522 RFID Card Reader Module Kit

Arduino RC522 RFID Card Reader Module Kit

4.2
166 Br
1 Channel Relay Module, 5V 1 Channel Relay Module Relay Board with Optocoupler Low Level Trigger Expansion Board for Arduino 5V/12V/24V(5V)

1 Channel Relay Module, 5V 1 Channel Relay Module Relay Board with Optocoupler Low Level Trigger Expansion Board for Arduino 5V/12V/24V(5V)

4.3
195 Br
Relay Module, 2 Channel Relay Module Relay Board with Optocoupler Low Level Trigger Expansion Board for Arduino 5V/12V/24V(12V)

Relay Module, 2 Channel Relay Module Relay Board with Optocoupler Low Level Trigger Expansion Board for Arduino 5V/12V/24V(12V)

4.4
37 Br
AZDelivery 2 Channel Relay Module DC 5V with Optocoupler Low-Level Trigger Relay Shield Board Compatible with Arduino and Raspberry Pi Including E-Book! (Pack of 5)

AZDelivery 2 Channel Relay Module DC 5V with Optocoupler Low-Level Trigger Relay Shield Board Compatible with Arduino and Raspberry Pi Including E-Book! (Pack of 5)

4.6
276 Br
DollaTek 8 Channel 5V DC Relay Module Expansion Board for Arduino Raspberry Pi DSP AVR PIC ARM

DollaTek 8 Channel 5V DC Relay Module Expansion Board for Arduino Raspberry Pi DSP AVR PIC ARM

4.4
232 Br
HiLetgo4pcs L298N Motor Driver Controller Board Module Stepper Motor DC Dual H-Bridge for Arduino Smart Car Power UNO MEGA R3 Mega2560

HiLetgo4pcs L298N Motor Driver Controller Board Module Stepper Motor DC Dual H-Bridge for Arduino Smart Car Power UNO MEGA R3 Mega2560

4.5
36 Br

Brands

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