购买 1 channel relay module

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$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
436
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Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
436
$6.97
JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
Amazon.com
$6.97
JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
Amazon.com
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1 Channel 12V Relay Module Board Shield With Optocoupler Support High/Low Level Trigger Compatible Relay(Pack Of 8) (12V)
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4
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1 Channel 12V Relay Module Board Shield With Optocoupler Support High/Low Level Trigger Compatible Relay(Pack Of 8) (12V)
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$11.99
Teyleten Robot DC 1 Channel Optocoupler 3V/3.3V Relay High Level Driver Module Isolated Drive Control Board 3V/3.3V Relay Module For Arduino (Pack Of
Amazon.com
117
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Teyleten Robot DC 1 Channel Optocoupler 3V/3.3V Relay High Level Driver Module Isolated Drive Control Board 3V/3.3V Relay Module For Arduino (Pack Of
Amazon.com
117
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Cenrykay 5V 1 Channel Relay Module10pcs 5V Relay Module Board Switch Optocoupler Support High And Low Level Trigger For Arduino
Amazon.com
79
$18.99
Cenrykay 5V 1 Channel Relay Module10pcs 5V Relay Module Board Switch Optocoupler Support High And Low Level Trigger For Arduino
Amazon.com
79
$54.49
Shelly Pro 1 | Wi-Fi & LAN, 1-Channel Smart Relay Switch | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | No Hub Required
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Shelly Pro 1 | Wi-Fi & LAN, 1-Channel Smart Relay Switch | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | No Hub Required
Amazon.com
1 千+
$2.99
1 Channel 3.3V Low Level Trigger Relay Module For Arduino With Optocoupler Isolation
Evalm
$2.99
1 Channel 3.3V Low Level Trigger Relay Module For Arduino With Optocoupler Isolation
Evalm
$12.99
DIANN 12Pcs DC 5V Relay Module 1 Channel Relay Board With Optocoupler Support High/Low Level Trigger
Amazon.com
3
$12.99
DIANN 12Pcs DC 5V Relay Module 1 Channel Relay Board With Optocoupler Support High/Low Level Trigger
Amazon.com
3
$1.67
1 Channel Relay Module 5V Low Level Trigger Relay Shield Module Control Board With Optocoupler
Aliexpress
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1 Channel Relay Module 5V Low Level Trigger Relay Shield Module Control Board With Optocoupler
Aliexpress
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$15.00
GEYA 1 Channel Relay Module Board 5V 12V 24V 48V 110V 230VAC 1CH Relay Module Electromagnetic Relay
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5V1 5V 1 Channel 1CH Relay Module Relay Interface Board For Arduino MCU PIC AVR DSP ARM SCM
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1 Channel DC 5-28V Latching Relay Module Single Key Bistable Switch MCU Control One Channel Relay 5V
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eBay
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DC 5V 1-Channel Bistable Relay Module Single Key Switch Relay Switch Control Module High Level
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DC 5V 1-Channel Bistable Relay Module Single Key Switch Relay Switch Control Module High Level
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1 Channel Relay Module Low Level Trigger Optocoupler Isolation 5V 12V 24V Relay Module PLC Control
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12V 1 Channel Relay Module With Opto Isolation High Low Level Trigger
eBay
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eBay
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One 1 Channel Relay Module DC 5V 9V 12V 24V High And Low Level Trigger Relay Control With
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One 1 Channel Relay Module, With Optocoupler Isolation, Fully Compatible With 3.3V And 5V Signal,
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One 1 Channel Relay Module, With Optocoupler Isolation, Fully Compatible With 3.3V And 5V Signal,
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1 Channel One Way 5V 12V Low Level Trigger Relay Module Microcontroller Development Expansion Board
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1 Channel One Way 5V 12V Low Level Trigger Relay Module Microcontroller Development Expansion Board
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1 Channel 5V Relay Module Time Delay Relay Module Trigger OFF / ON Switch Timing Cycle 999 Minutes
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1 Channel 5V Relay Module Time Delay Relay Module Trigger OFF / ON Switch Timing Cycle 999 Minutes
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5V 12V 24V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level
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5V 12V 24V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level
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KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
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KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
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5V Low Level Trigger One 1 Channel Relay Module Interface Board Shield For PIC AVR DSP ARM MCU ESP32
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Valefod DC 12V Relay Module 1-Channel Relay Switch With Optocoupler Isolation High/Low Level Trigger, Pack Of 10
Amazon.com
419
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Valefod DC 12V Relay Module 1-Channel Relay Switch With Optocoupler Isolation High/Low Level Trigger, Pack Of 10
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1-5Pcs DC 5V 9V 12V 24V 1 Channel Relay Module With Optocoupler Shield Board High Low Level Trigger
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1-5Pcs DC 5V 9V 12V 24V 1 Channel Relay Module With Optocoupler Shield Board High Low Level Trigger
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5V 1 Single Channel Relay Board Module For Arduino Raspberry Pi ARM AVR DSP PIC. UN Brand. Relay Accessories.
eBay
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5V 1 Single Channel Relay Board Module For Arduino Raspberry Pi ARM AVR DSP PIC. UN Brand. Relay Accessories.
eBay
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DC 5V 12V 24V 1 Channel Relay Module 30A With Optocoupler Isolation High And Low Level Trigger Relay
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DC 5V 12V 24V 1 Channel Relay Module 30A With Optocoupler Isolation High And Low Level Trigger Relay
Aliexpress
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Keeyees 5Pcs 1 Channel 5V Relay Module Board Shield KY-019 LED Indicator For Arduino + 3Pcs 20cm 10Pin Female Male Jumper Wires
Amazon.com
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Keeyees 5Pcs 1 Channel 5V Relay Module Board Shield KY-019 LED Indicator For Arduino + 3Pcs 20cm 10Pin Female Male Jumper Wires
Amazon.com
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Shelly Wave 1PM US LR UL | Z-Wave Long Range Smart Switch Relay, 1-Channel 15 A With Power Metering | Home Automation | High Compatibility | Easy
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Shelly Wave 1PM US LR UL | Z-Wave Long Range Smart Switch Relay, 1-Channel 15 A With Power Metering | Home Automation | High Compatibility | Easy
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40 Amps, 7-20 V MSD Relay Modules | MSD Ignition 7566-1
Summit Racing
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40 Amps, 7-20 V MSD Relay Modules | MSD Ignition 7566-1
Summit Racing
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Barber Colman KEL-PAM-1 Multi Voltage Relay Module, 24Vac/Vdc, 115V, SPDT | Supplyhouse.Com
SupplyHouse.com
1
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Barber Colman KEL-PAM-1 Multi Voltage Relay Module, 24Vac/Vdc, 115V, SPDT | Supplyhouse.Com
SupplyHouse.com
1
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$48.19
DEVMO DC 5V/12V/ 1 Channel Relay Board Programmable Multifunctional Module Cycle Timing Circuit Switch Cycle Timer Delay Trigger Disconnect Module
jmpropiedadus
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DEVMO DC 5V/12V/ 1 Channel Relay Board Programmable Multifunctional Module Cycle Timing Circuit Switch Cycle Timer Delay Trigger Disconnect Module
jmpropiedadus
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Smart Wifi Relay Switch Module With Voice And App Control - 1R 1T 6 | Uplifted Goods
Inspire Uplift
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Inspire Uplift
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5Pcs 5V Relay Module 1 Channel TTL Signal Expansion Board For 5-12V Systems
Evalm
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5Pcs 5V Relay Module 1 Channel TTL Signal Expansion Board For 5-12V Systems
Evalm
Using 5V 1 channel relay module for Arduino
4:56
YouTubeRobojax
Using 5V 1 channel relay module for Arduino
This video shows you how to use 5V relay module for Arduino. First the 5V 1 channel relay is explained and tested. Then from the Arduino software the relay is turned ON and OFF to demonstrate how it work and buzzer is tested. Monitor Door(is it open or closed) from 20km or 13 mile for free using ESP32 with LoRa . Watch the video: https://youtu ...
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Lesson: 10 - How to Use a Relay Module with Arduino | Complete Beginner’s Guide
YouTubeElectro Nerds Academy
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Arduino relay basics - how it works and how to use it
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Arduino relay basics - how it works and how to use it
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How to use an Arduino Relay Module
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包括 1 channel relay module 的结果。
是否要仅显示 1Channel Relay Module 的结果?
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3:27
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购买 1 channel relay module

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$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
436
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
436
$6.97
JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
Amazon.com
$6.97
JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
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$9.99
1 Channel 12V Relay Module Board Shield With Optocoupler Support High/Low Level Trigger Compatible Relay(Pack Of 8) (12V)
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1 Channel 12V Relay Module Board Shield With Optocoupler Support High/Low Level Trigger Compatible Relay(Pack Of 8) (12V)
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Teyleten Robot DC 1 Channel Optocoupler 3V/3.3V Relay High Level Driver Module Isolated Drive Control Board 3V/3.3V Relay Module For Arduino (Pack Of
Amazon.com
117
$11.99
Teyleten Robot DC 1 Channel Optocoupler 3V/3.3V Relay High Level Driver Module Isolated Drive Control Board 3V/3.3V Relay Module For Arduino (Pack Of
Amazon.com
117
$18.99
Cenrykay 5V 1 Channel Relay Module10pcs 5V Relay Module Board Switch Optocoupler Support High And Low Level Trigger For Arduino
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79
$18.99
Cenrykay 5V 1 Channel Relay Module10pcs 5V Relay Module Board Switch Optocoupler Support High And Low Level Trigger For Arduino
Amazon.com
79
$54.49
Shelly Pro 1 | Wi-Fi & LAN, 1-Channel Smart Relay Switch | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | No Hub Required
Amazon.com
1 千+
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Shelly Pro 1 | Wi-Fi & LAN, 1-Channel Smart Relay Switch | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | No Hub Required
Amazon.com
1 千+
$2.99
1 Channel 3.3V Low Level Trigger Relay Module For Arduino With Optocoupler Isolation
Evalm
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1 Channel 3.3V Low Level Trigger Relay Module For Arduino With Optocoupler Isolation
Evalm
$12.99
DIANN 12Pcs DC 5V Relay Module 1 Channel Relay Board With Optocoupler Support High/Low Level Trigger
Amazon.com
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DIANN 12Pcs DC 5V Relay Module 1 Channel Relay Board With Optocoupler Support High/Low Level Trigger
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1 Channel Relay Module 5V Low Level Trigger Relay Shield Module Control Board With Optocoupler
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GEYA 1 Channel Relay Module Board 5V 12V 24V 48V 110V 230VAC 1CH Relay Module Electromagnetic Relay
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GEYA 1 Channel Relay Module Board 5V 12V 24V 48V 110V 230VAC 1CH Relay Module Electromagnetic Relay
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5V1 5V 1 Channel 1CH Relay Module Relay Interface Board For Arduino MCU PIC AVR DSP ARM SCM
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5V1 5V 1 Channel 1CH Relay Module Relay Interface Board For Arduino MCU PIC AVR DSP ARM SCM
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1 Channel DC 5-28V Latching Relay Module Single Key Bistable Switch MCU Control One Channel Relay 5V
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1 Channel DC 5-28V Latching Relay Module Single Key Bistable Switch MCU Control One Channel Relay 5V
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12V 1 Channel Latching Relay Module With Touch Bistable Switch Mcu
eBay
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DC 5V 1-Channel Bistable Relay Module Single Key Switch Relay Switch Control Module High Level
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DC 5V 1-Channel Bistable Relay Module Single Key Switch Relay Switch Control Module High Level
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1 Channel Relay Module Low Level Trigger Optocoupler Isolation 5V 12V 24V Relay Module PLC Control
Aliexpress
$1.80
1 Channel Relay Module Low Level Trigger Optocoupler Isolation 5V 12V 24V Relay Module PLC Control
Aliexpress
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12V 1 Channel Relay Module With Opto Isolation High Low Level Trigger
eBay
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12V 1 Channel Relay Module With Opto Isolation High Low Level Trigger
eBay
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One 1 Channel Relay Module DC 5V 9V 12V 24V High And Low Level Trigger Relay Control With
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One 1 Channel Relay Module DC 5V 9V 12V 24V High And Low Level Trigger Relay Control With
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One 1 Channel Relay Module, With Optocoupler Isolation, Fully Compatible With 3.3V And 5V Signal,
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One 1 Channel Relay Module, With Optocoupler Isolation, Fully Compatible With 3.3V And 5V Signal,
Aliexpress