购买 Channel Relay Controller

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$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
205
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
205
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
Amazon.com
333
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
Amazon.com
333
$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)
Amazon.com
27
$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)
Amazon.com
27
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
138
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
138
$12.45
$14.39
RS485 12V 1-Channel Relay Module For PLC Controller Industrial Automation Systems
Amazon.com
折扣 13%
$12.45
$14.39
RS485 12V 1-Channel Relay Module For PLC Controller Industrial Automation Systems
Amazon.com
$15.55
4 Channel Relay Module DC 12V 30A Relay Module With Optocoupler Isolation
Amazon.com
$15.55
4 Channel Relay Module DC 12V 30A Relay Module With Optocoupler Isolation
Amazon.com
$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
$30.10
9-36V 16 Channel Relay Module, USB Controlled Relay Opto-Isolated Board With 16 SPDT Relays, LED Power Indicator,For Simple ON/Off Switching
Amazon.com
$30.10
9-36V 16 Channel Relay Module, USB Controlled Relay Opto-Isolated Board With 16 SPDT Relays, LED Power Indicator,For Simple ON/Off Switching
Amazon.com
$13.99
NOYITO 4-Channel 5V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug And Play Suitable For PC Smart Controller
Amazon.com
55
$13.99
NOYITO 4-Channel 5V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug And Play Suitable For PC Smart Controller
Amazon.com
55
$16.99
4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
Amazon.com
70
$16.99
4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
Amazon.com
70
$30.02
DTMF Relay Board 8 Channel DC 12V 8CH DTMF Relay Phone Voice Decoder Remote Controller Switch Module Decoder Relay
Amazon.com
Free shipping
$30.02
DTMF Relay Board 8 Channel DC 12V 8CH DTMF Relay Phone Voice Decoder Remote Controller Switch Module Decoder Relay
Amazon.com
Free shipping
$62.00
USB Bus Powered, Relay Controller, 3 Contacts Form C, 10A 250V
東京デバイセズ
$62.00
USB Bus Powered, Relay Controller, 3 Contacts Form C, 10A 250V
東京デバイセズ
$9.89
Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
Amazon.com
1 千+
$9.89
Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
Amazon.com
1 千+
$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
$18.99
NOYITO 30A 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control,
Amazon.com
90
$18.99
NOYITO 30A 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control,
Amazon.com
90
$17.95
JESSINIE 16 Channel 5V Relay Module With Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5
Amazon.com
6
$17.95
JESSINIE 16 Channel 5V Relay Module With Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5
Amazon.com
6
$8.99
NOYITO 30A 2 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control
Amazon.com
106
$8.99
NOYITO 30A 2 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control
Amazon.com
106
$22.99
GAEYAELE 4 Channel Relay Module 1 SPDT DIN Rail Mount 12V DC/AC Interface Relay Module(FY-T734-12VACDC)
Amazon.com
117
$22.99
GAEYAELE 4 Channel Relay Module 1 SPDT DIN Rail Mount 12V DC/AC Interface Relay Module(FY-T734-12VACDC)
Amazon.com
117
$2.69
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
$2.69
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
$6.88
DC 5V 3 Channel Relay Module Relay Expansion Board With Optocoupler Insulation Compatible 3.3V 5V Signal For Arduino
Amazon.com
$6.88
DC 5V 3 Channel Relay Module Relay Expansion Board With Optocoupler Insulation Compatible 3.3V 5V Signal For Arduino
Amazon.com
$9.50
Single-Channel Relay Module For Raspberry Pi Zero/2B/3B/4B, STM32, ESP32, Arduino - 3.3V/5V Relay Expansion Board With Optocoupler Isolation & LED
Amazon.com
5
$9.50
Single-Channel Relay Module For Raspberry Pi Zero/2B/3B/4B, STM32, ESP32, Arduino - 3.3V/5V Relay Expansion Board With Optocoupler Isolation & LED
Amazon.com
5
$46.36
$50.39
6 Channel Remote Control Relay Switch Universal Motor Light Door Window Controller, 433Mhz, 12V DC
Amazon.com
Free shipping
$46.36
$50.39
6 Channel Remote Control Relay Switch Universal Motor Light Door Window Controller, 433Mhz, 12V DC
Amazon.com
Free shipping
$9.99
4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
Amazon.com
$9.99
4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
Amazon.com
$9.00
4 Channel Relay Module Switch Module ESP-8266 (12V)
Amazon.com
$9.00
4 Channel Relay Module Switch Module ESP-8266 (12V)
Amazon.com
$9.19
5V/12V/24V 16 Channel Relay Module For Arduino ARM PIC AVR DSP Electronic Relay Plate Belt
Aliexpress
$9.19
5V/12V/24V 16 Channel Relay Module For Arduino ARM PIC AVR DSP Electronic Relay Plate Belt
Aliexpress
$0.70
2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way
Aliexpress
$0.70
2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way
Aliexpress
$6.59
5V 12V 24V 8 Channel Relay Module With Optocoupler Relay Output 8 Way Relay Module For Arduino
Aliexpress
$6.59
5V 12V 24V 8 Channel Relay Module With Optocoupler Relay Output 8 Way Relay Module For Arduino
Aliexpress
$3.51
$4.68
DC 12V USB Relay 4CH 4 WAY Channel Programmable Computer Control Controller Relay For Smart Home
Aliexpress
折扣 24%
$3.51
$4.68
DC 12V USB Relay 4CH 4 WAY Channel Programmable Computer Control Controller Relay For Smart Home
Aliexpress
$5.00
5V 12V 1 Channel IR Remote Control Relay Module Power Switch Self Locking (12V)
Amazon.com
1
$5.00
5V 12V 1 Channel IR Remote Control Relay Module Power Switch Self Locking (12V)
Amazon.com
1
$30.15
Bevrlink 8 Channel Relay V1 24V Compatible With Arduino, Raspberry Pi, Rock, ESP32, ESP8266 And Other Sbcs And Microcontrollers - I2C GPIO (SBC, Case,
Amazon.com
$30.15
Bevrlink 8 Channel Relay V1 24V Compatible With Arduino, Raspberry Pi, Rock, ESP32, ESP8266 And Other Sbcs And Microcontrollers - I2C GPIO (SBC, Case,
Amazon.com
$0.78
$1.08
5V/12V/24V Multi-Channel Relay Module (1/2/4/6/8 Channels) - Optocoupler-Isolated Low-Level Trigger
Aliexpress
折扣 27%
$0.78
$1.08
5V/12V/24V Multi-Channel Relay Module (1/2/4/6/8 Channels) - Optocoupler-Isolated Low-Level Trigger
Aliexpress
$10.99
12V Relay Remote Switch Wireless RF Remote Control Switch 4 Channel Relay Module 433Mhz Transmitter Receiver Kit Universal Remote Controller
WhiteStyle
$10.99
12V Relay Remote Switch Wireless RF Remote Control Switch 4 Channel Relay Module 433Mhz Transmitter Receiver Kit Universal Remote Controller
WhiteStyle
$36.61
$38.95
4-Channel 4 Relay Digital Relay Timer Controller Delay Switch Module
eBay
Free shipping
$36.61
$38.95
4-Channel 4 Relay Digital Relay Timer Controller Delay Switch Module
eBay
Free shipping
$3.98
Channel One Way 5V Low Level Trigger Relay Module Microcontroller Development Expansion Board For
Aliexpress
$3.98
Channel One Way 5V Low Level Trigger Relay Module Microcontroller Development Expansion Board For
Aliexpress
Relay Controller
Relay Controller
6 个月之前
rightbooth.com
Relay Control with Arduino & DWIN HMI Display
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Relay Control with Arduino & DWIN HMI Display
已浏览 3.4万 次2022年12月21日
YouTubeIoT Projects Ideas
Tech Note 149 - ESP32 4-Channel Relay / GPIO Controller with Web UI
7:22
Tech Note 149 - ESP32 4-Channel Relay / GPIO Controller with Web UI
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YouTubeG6EJD - David
How To Use Smart Relays - 101 (Featuring The NEW Aqara Relay Module T2)
1:22:54
How To Use Smart Relays - 101 (Featuring The NEW Aqara Relay …
已浏览 13.7万 次2023年10月10日
YouTubeAutomate Your Life
Control 8 relay channels wirelessly using Arduino UNO and Bluetooth
0:32
Control 8 relay channels wirelessly using Arduino UNO and Bluetooth
已浏览 423 次2 周前
YouTubeArduino Expert
Raspberry Pi: 8 Channel Relay step-by-step with software examples for automation
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Raspberry Pi: 8 Channel Relay step-by-step with software examples fo…
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YouTubeskiwithpete
Radio-Controlled (R/C) Relay Driver
Radio-Controlled (R/C) Relay Driver
2020年10月1日
instructables.com
8:37
How to Test a Relay
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Custom 64 channel relay controller
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YouTubestevenindon
Efficient Home Automation with 4 Channel WiFi Relay Controller
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TikTokkiyanis.lab
17:33
How to use 4 channel Relay to control AC load with Arduino cod…
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YouTubeRobojax
1:04
What makes control relays easy to use in all applications ? | Schneid…
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Arduino Relay Control: A Beginner's Guide to Controlling Machines
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Lesson 66: Controlling 4 channel relay with 4 push buttons- RJT479
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HOW TO USE RELAY MODULE WITH ARDUINO | 4 RELAY MODU…
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Lesson 67: Controlling 8 channel relay with a 4x3 keypad to control …
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16CH Ethernet Relay Controlled with Blynk and Arduino Mega over Inte…
已浏览 4.1万 次2018年11月10日
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Using 8 Channel Relay With Arduino (Tutorial)
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Lesson 68, Home Automation: control 16 Channel Relay module …
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DMX512 CONTROLLED 8 CHANNEL RELAY BOARD
已浏览 3845 次2022年5月17日
YouTubeBrainstorm Technologies
0:08
B4R - Testing an 8 channel relay module on Arduino UNO.
已浏览 8147 次2017年5月11日
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How to use 2 channel relay to control AC and DC loads in Arduino
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433MHz 12V 4CH Channel Relay RF Wireless Remote Control Switch K…
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controlling 8 channel relay by Alexa (step by step tutorial )
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HOW TO INTERFACE 5V 4 CHANNEL RELAY MODULE WITH …
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购买 Channel Relay Controller

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$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
205
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
205
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
Amazon.com
333
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
Amazon.com
333
$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)
Amazon.com
27
$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)
Amazon.com
27
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
138
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
138
$12.45
$14.39
RS485 12V 1-Channel Relay Module For PLC Controller Industrial Automation Systems
Amazon.com
折扣 13%
$12.45
$14.39
RS485 12V 1-Channel Relay Module For PLC Controller Industrial Automation Systems
Amazon.com
$15.55
4 Channel Relay Module DC 12V 30A Relay Module With Optocoupler Isolation
Amazon.com
$15.55
4 Channel Relay Module DC 12V 30A Relay Module With Optocoupler Isolation
Amazon.com
$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
$30.10
9-36V 16 Channel Relay Module, USB Controlled Relay Opto-Isolated Board With 16 SPDT Relays, LED Power Indicator,For Simple ON/Off Switching
Amazon.com
$30.10
9-36V 16 Channel Relay Module, USB Controlled Relay Opto-Isolated Board With 16 SPDT Relays, LED Power Indicator,For Simple ON/Off Switching
Amazon.com
$13.99
NOYITO 4-Channel 5V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug And Play Suitable For PC Smart Controller
Amazon.com
55
$13.99
NOYITO 4-Channel 5V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug And Play Suitable For PC Smart Controller
Amazon.com
55
$16.99
4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
Amazon.com
70
$16.99
4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
Amazon.com
70
$30.02
DTMF Relay Board 8 Channel DC 12V 8CH DTMF Relay Phone Voice Decoder Remote Controller Switch Module Decoder Relay
Amazon.com
Free shipping
$30.02
DTMF Relay Board 8 Channel DC 12V 8CH DTMF Relay Phone Voice Decoder Remote Controller Switch Module Decoder Relay
Amazon.com
Free shipping
$62.00
USB Bus Powered, Relay Controller, 3 Contacts Form C, 10A 250V
東京デバイセズ
$62.00
USB Bus Powered, Relay Controller, 3 Contacts Form C, 10A 250V
東京デバイセズ
$9.89
Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
Amazon.com
1 千+
$9.89
Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
Amazon.com
1 千+
$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
$18.99
NOYITO 30A 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control,
Amazon.com
90
$18.99
NOYITO 30A 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control,
Amazon.com
90
$17.95
JESSINIE 16 Channel 5V Relay Module With Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5
Amazon.com
6
$17.95
JESSINIE 16 Channel 5V Relay Module With Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5
Amazon.com
6
$8.99
NOYITO 30A 2 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control
Amazon.com
106
$8.99
NOYITO 30A 2 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control
Amazon.com
106
$22.99
GAEYAELE 4 Channel Relay Module 1 SPDT DIN Rail Mount 12V DC/AC Interface Relay Module(FY-T734-12VACDC)
Amazon.com
117
$22.99
GAEYAELE 4 Channel Relay Module 1 SPDT DIN Rail Mount 12V DC/AC Interface Relay Module(FY-T734-12VACDC)
Amazon.com
117