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购买 Channel Relay Module
广告
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
377
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
377
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
Amazon.com
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
Amazon.com
$11.39
Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
Amazon.com
31
$11.39
Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
Amazon.com
31
$8.99
Sainsmart 4-Channel Relay Module
Amazon.com
432
$8.99
Sainsmart 4-Channel Relay Module
Amazon.com
432
$17.95
JESSINIE 16 Channel 5V Relay Module With Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5
Amazon.com
$17.95
JESSINIE 16 Channel 5V Relay Module With Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5
Amazon.com
$13.49
Relay Module, 12V 8 Channel Low Level Trigger Relay Module With Optocoupler For Automation Equipment Control(12V)
Amazon.com
Free shipping
$13.49
Relay Module, 12V 8 Channel Low Level Trigger Relay Module With Optocoupler For Automation Equipment Control(12V)
Amazon.com
Free shipping
$21.07
2 Channel DC 5-32V Relay Module For Modbus RTU, RS485 Relay Module With 8 Bit MCU For Digital Quantity Detection Or Power Control
Amazon.com
Free shipping
$21.07
2 Channel DC 5-32V Relay Module For Modbus RTU, RS485 Relay Module With 8 Bit MCU For Digital Quantity Detection Or Power Control
Amazon.com
Free shipping
$7.64
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
Amazon.com
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$7.64
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
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$230.00
Relay/analog Combo Module: 6-pt in, 3-pt out, 3-ch in, 2-ch out (PN# AS3-ACI)
Automation Direct
$230.00
Relay/analog Combo Module: 6-pt in, 3-pt out, 3-ch in, 2-ch out (PN# AS3-ACI)
Automation Direct
$9.99
4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
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$9.99
4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
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$9.99
NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger With Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 24V, Blue)
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NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger With Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 24V, Blue)
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$86.02
SR2A101BD Schneider Electric
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SR2A101BD Schneider Electric
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$68.00
Relay/analog Combo Module: 4-pt in, 2-pt out, 1-ch in, 1-ch out (PN# 14741859)
Automation Direct
$68.00
Relay/analog Combo Module: 4-pt in, 2-pt out, 1-ch in, 1-ch out (PN# 14741859)
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GAEYAELE 1 Channel Relay Module DC5V Relay Interface
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GAEYAELE 1 Channel Relay Module DC5V Relay Interface
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
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$84.00
Allen-Bradley 1746-OW8 SLC 500 8-Channel Relay Output Module, A
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5V 12V 24V 1-Channel Relay Module Shield (5V)
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JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
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JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
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JESSINIE 5V 4-Channel Relay Module With Optocoupler Isolation, Supports High And Low Level Trigger, Compatible With Arduino And Raspberry Pi For DIY
Amazon.com
折扣 12%
$7.01
$7.97
JESSINIE 5V 4-Channel Relay Module With Optocoupler Isolation, Supports High And Low Level Trigger, Compatible With Arduino And Raspberry Pi For DIY
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$13.60
GAEYAELE 2 Channel Relay Module AC/DC 24V Relay Interface
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GAEYAELE 2 Channel Relay Module AC/DC 24V Relay Interface
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XLUYCELH 3.3V 3V 2 Channel Relay Module With Optocoupler Relay Output 2 Way Relay Module For
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XLUYCELH 3.3V 3V 2 Channel Relay Module With Optocoupler Relay Output 2 Way Relay Module For
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GAEYAELE 1 Channel Relay Module AC110V Relay Interface
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GAEYAELE 1 Channel Relay Module AC110V Relay Interface
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857-354 WAGO Relay Module - Nominal Input Voltage: 24 V AC/DC - 1 Changeover Contact - Limiting Continuous Current: 6 A - Yellow Status Indicator -
Onlinecomponents.com
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857-354 WAGO Relay Module - Nominal Input Voltage: 24 V AC/DC - 1 Changeover Contact - Limiting Continuous Current: 6 A - Yellow Status Indicator -
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Wago | 750-517 | 2-Channel Relay Output Module 230VAC |
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Wago | 750-517 | 2-Channel Relay Output Module 230VAC |
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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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Jameco Electronics
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$2.51
5V 2 Way Channel Relay Module High And Low Level Trigger Relay Control With Optocoupler Isolation
Aliexpress
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16 Channel Relay Shield Module DC 5V 12V 24V With Optocoupler LM2576 Microcontrollers Interface
Aliexpress
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12V 1/2/4/8/16 Channel Relay Module With Optocoupler For PIC AVR DSP ARM
USA.Banggood
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12V 1/2/4/8/16 Channel Relay Module With Optocoupler For PIC AVR DSP ARM
USA.Banggood
4:56
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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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JESSINIE 16 Channel 5V Relay Module With Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5
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Relay Module, 12V 8 Channel Low Level Trigger Relay Module With Optocoupler For Automation Equipment Control(12V)
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2 Channel DC 5-32V Relay Module For Modbus RTU, RS485 Relay Module With 8 Bit MCU For Digital Quantity Detection Or Power Control
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2 Channel DC 5-32V Relay Module For Modbus RTU, RS485 Relay Module With 8 Bit MCU For Digital Quantity Detection Or Power Control
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Relay/analog Combo Module: 6-pt in, 3-pt out, 3-ch in, 2-ch out (PN# AS3-ACI)
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