English
全部
搜索
图片
视频
短视频
地图
资讯
更多
购物
航班
旅游
笔记本
报告不当内容
请选择下列任一选项。
无关
低俗内容
成人
儿童性侵犯
时长
全部
短(小于 5 分钟)
中(5-20 分钟)
长(大于 20 分钟)
日期
全部
过去 24 小时
过去一周
过去一个月
去年
清晰度
全部
低于 360p
360p 或更高
480p 或更高
720p 或更高
1080p 或更高
源
全部
Dailymotion
Vimeo
Metacafe
Hulu
VEVO
Myspace
MTV
CBS
Fox
CNN
MSN
价格
全部
免费
付费
清除筛选条件
安全搜索:
中等
严格
中等（默认）
关闭
筛选器
购买 Channel Relay Controller
广告
$712.95
$792.00
Instek DAQ-900 20-Channel Universal Multiplexer (Solid State Relay)
Test Equipment Depot
$712.95
$792.00
Instek DAQ-900 20-Channel Universal Multiplexer (Solid State Relay)
Test Equipment Depot
$3.66
$7.33
5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
Aliexpress
折扣 50%
$3.66
$7.33
5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
Aliexpress
$217.00
Process Controller, 2 Relays,100 To 240 Vac/Dc Power
IOThrifty
$217.00
Process Controller, 2 Relays,100 To 240 Vac/Dc Power
IOThrifty
$1.65
1 Channel Relay Module 5V 9V 12V 24V High And Low Level Trigger Relay Control Switch With
Aliexpress
$1.65
1 Channel Relay Module 5V 9V 12V 24V High And Low Level Trigger Relay Control Switch With
Aliexpress
$43.99
4 Channel Solid State Relay Module DC 5V To12v Timer Delay Relay Control Board SSR High And Low
Aliexpress
Free shipping
$43.99
4 Channel Solid State Relay Module DC 5V To12v Timer Delay Relay Control Board SSR High And Low
Aliexpress
$17.56
5V 12V Bluetooth Relay Module Bluetooth Remote Relay Output 8 Channel Relay Module For Arduino
Aliexpress
Free shipping
$17.56
5V 12V Bluetooth Relay Module Bluetooth Remote Relay Output 8 Channel Relay Module For Arduino
Aliexpress
$14.24
$18.98
GEYA 4/8/16 Channel Relay Module 1 SPDT DIN Rail Mount 12V 24V DC/AC Interface Relay Module For PLC
Aliexpress
Free shipping
折扣 24%
$14.24
$18.98
GEYA 4/8/16 Channel Relay Module 1 SPDT DIN Rail Mount 12V 24V DC/AC Interface Relay Module For PLC
Aliexpress
$1.50
$2.14
2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way
Aliexpress
折扣 29%
$1.50
$2.14
2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way
Aliexpress
$17.24
$27.95
2 Channel Ethernet Relay Module DC 5-12V Network IP Web Relay Controller Switch TCP UDP Module
Aliexpress
折扣 38%
$17.24
$27.95
2 Channel Ethernet Relay Module DC 5-12V Network IP Web Relay Controller Switch TCP UDP Module
Aliexpress
$10.06
1/2/4/8/16 Channel Relay Control Module 5V 20A Support High / Low Level Voltage Trigger Controller
Aliexpress
$10.06
1/2/4/8/16 Channel Relay Control Module 5V 20A Support High / Low Level Voltage Trigger Controller
Aliexpress
$3.95
1 Channel DC 5-28V Latching Relay Module Single Key Bistable Switch MCU Control One Channel Relay 5V
Aliexpress
$3.95
1 Channel DC 5-28V Latching Relay Module Single Key Bistable Switch MCU Control One Channel Relay 5V
Aliexpress
$1.55
$1.94
4 Channel Relay Module DC 5V 12V 24V High And Low Level Trigger Relay Control Board Shield With
Aliexpress
折扣 20%
$1.55
$1.94
4 Channel Relay Module DC 5V 12V 24V High And Low Level Trigger Relay Control Board Shield With
Aliexpress
$2.60
2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way
Aliexpress
$2.60
2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way
Aliexpress
$6.37
Modbus-Rtu 1/2/4/8 Channel Optocoupler Isolation 12V Relay Module Switch Modbus RTU Relay Output
Aliexpress
$6.37
Modbus-Rtu 1/2/4/8 Channel Optocoupler Isolation 12V Relay Module Switch Modbus RTU Relay Output
Aliexpress
$2.10
2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA
Aliexpress
$2.10
2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA
Aliexpress
$53.75
Azel Technologies SP-81 1 Zone Pump Controller Switching Relay With Surge & Fuse Protection (DPDT) | Supplyhouse.Com
SupplyHouse.com
9
$53.75
Azel Technologies SP-81 1 Zone Pump Controller Switching Relay With Surge & Fuse Protection (DPDT) | Supplyhouse.Com
SupplyHouse.com
$12.88
$15.90
2 Channel Relay Module High-Low Level Trigger Control Relay Module 30A DC 5V Relay Switch Board AC
Aliexpress
Free shipping
折扣 18%
$12.88
$15.90
2 Channel Relay Module High-Low Level Trigger Control Relay Module 30A DC 5V Relay Switch Board AC
Aliexpress
$3.54
4 Channel Optocoupler Relay Module Board High & Low Trigger Relay Module 5V/12V/24V
Aliexpress
$3.54
4 Channel Optocoupler Relay Module Board High & Low Trigger Relay Module 5V/12V/24V
Aliexpress
$40.59
$53.82
Relay Network Ethernet Relay Controller Module Control Board LAN WAN Network Web Server With RJ 45 Interface + 8 Channel Relay Module For Smart Home Remote Control Pack Of 2
TekCypher.com
折扣 24%
$40.59
$53.82
Relay Network Ethernet Relay Controller Module Control Board LAN WAN Network Web Server With RJ 45 Interface + 8 Channel Relay Module For Smart Home Remote Control Pack Of 2
TekCypher.com
$77.14
USB Relay Controller, 8 Contacts, Form C, 6A 250V, 12V Power
東京デバイセズ
$77.14
USB Relay Controller, 8 Contacts, Form C, 6A 250V, 12V Power
東京デバイセズ
$125.95
Azel Technologies SP-83 3 Zone Pump Controller Switching Relay With Priority Protection | Supplyhouse.Com
SupplyHouse.com
18
$125.95
Azel Technologies SP-83 3 Zone Pump Controller Switching Relay With Priority Protection | Supplyhouse.Com
SupplyHouse.com
$179.95
Azel Technologies SP-84 4 Zone Pump Controller Switching Relay With Priority Protection | Supplyhouse.Com
SupplyHouse.com
7
$179.95
Azel Technologies SP-84 4 Zone Pump Controller Switching Relay With Priority Protection | Supplyhouse.Com
SupplyHouse.com
$33.92
4-Channel Remote Control Relay Switch With Transmitter And Receiveght
eBay
6
$33.92
4-Channel Remote Control Relay Switch With Transmitter And Receiveght
eBay
$3.30
DC 12V 4 Channel Relay Module 315 433Mhz RF Wireless Relay Switch Controller For Alarm System LED Gata Door
Alibaba B2B
Free shipping
$3.30
DC 12V 4 Channel Relay Module 315 433Mhz RF Wireless Relay Switch Controller For Alarm System LED Gata Door
Alibaba B2B
$19.00
FSK 4 Channel 10A Relay DC 12V 24V 36V 220V 420-450Mhz Wireless Remote Control Switch Receiver Transmitter For Motor Lights
Alibaba B2B
Free shipping
$19.00
FSK 4 Channel 10A Relay DC 12V 24V 36V 220V 420-450Mhz Wireless Remote Control Switch Receiver Transmitter For Motor Lights
Alibaba B2B
$125.00
Kmtronic Usb Rs485 16 Channel Relay Board (Controller)
eBay
$125.00
Kmtronic Usb Rs485 16 Channel Relay Board (Controller)
eBay
$724.09
WEG SRW01-UCMT1E47 CONT UNIT MODBUS 24VDC Smart Relays
MRO Supply MC
Free shipping
$724.09
WEG SRW01-UCMT1E47 CONT UNIT MODBUS 24VDC Smart Relays
MRO Supply MC
$20.99
$33.25
433Mhz Universal Wireless Remote Control Switch DC 12V 4CH Relay Receiver Module With 4 Channel RF Remote
LightInTheBox
折扣 36%
$20.99
$33.25
433Mhz Universal Wireless Remote Control Switch DC 12V 4CH Relay Receiver Module With 4 Channel RF Remote
LightInTheBox
$4.50
DC 12V 24V 6 Channel Relay Module Wireless 433Mhz RF Remote Control Switch Transmitter And Receiver Board
Alibaba B2B
Free shipping
$4.50
DC 12V 24V 6 Channel Relay Module Wireless 433Mhz RF Remote Control Switch Transmitter And Receiver Board
Alibaba B2B
$3.99
$9.99
Geekcreit® 5V 4 Channel Relay Module For PIC ARM DSP AVR MSP430 Geekcreit For Arduino - Products That Work With Official
Banggood
折扣 60%
$3.99
$9.99
Geekcreit® 5V 4 Channel Relay Module For PIC ARM DSP AVR MSP430 Geekcreit For Arduino - Products That Work With Official
Banggood
$65.00
2 In1 Dc 12V/24V 12 Channel Dio Ethernet/Rs485 Relay Switch Module
eBay
$65.00
2 In1 Dc 12V/24V 12 Channel Dio Ethernet/Rs485 Relay Switch Module
eBay
$60.24
4 Channel Wi Fi Momentary Inching Relay Self Lock Switch Module,Diy Wi Fi Garage Door Controller (5 32 V)
Everymarket INC
2 千+
$60.24
4 Channel Wi Fi Momentary Inching Relay Self Lock Switch Module,Diy Wi Fi Garage Door Controller (5 32 V)
Everymarket INC
$112.45
$149.56
Altronix - ACM8 - Access Power Controller - 8 Fused Relay Outputs With Board
LocksmithKeyless
折扣 24%
$112.45
$149.56
Altronix - ACM8 - Access Power Controller - 8 Fused Relay Outputs With Board
LocksmithKeyless
$280.00
$298.00
Elation Cyber Pak 4-Channel Dimmer/Chase/MIDI Relay Pack 4-Channel, Multi-Function Dimmer/Power/MIDI Pack With Individual DMX Address For Each
Sweetwater
1
$280.00
$298.00
Elation Cyber Pak 4-Channel Dimmer/Chase/MIDI Relay Pack 4-Channel, Multi-Function Dimmer/Power/MIDI Pack With Individual DMX Address For Each
Sweetwater
$145.75
$161.95
MSD Ignition 4-Channel Relay Module
JEGS High Performance
折扣 10%
$145.75
$161.95
MSD Ignition 4-Channel Relay Module
JEGS High Performance
$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
754
Free shipping
$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
8 Channel Relay Controller Rj45 Tcp Ip Controller Rj45 Tcp Ip Remote
…
已浏览 21.5亿 次
2025年3月1日
walmart.ca
Relay Controller
9 个月之前
rightbooth.com
Over 120 Meter Control 8 Channel Relay Module With 433MHz Wirele
…
已浏览 1.3万 次
2020年9月30日
instructables.com
Step-by-Step Guide: Interface 2 Channel Relay Channels With Ard
…
已浏览 1143 次
2023年7月26日
instructables.com
0:09
2 Channel Relay Module Signal Simulation without Arduino #elect
…
已浏览 6.9万 次
2025年1月9日
Facebook
𝐄𝐥𝐞𝐜𝐭𝐫𝐨𝐧𝐢𝐜 𝐂𝐨𝐦𝐩𝐨𝐧𝐞𝐧𝐭𝐬
1:04
How to check AC/DC relay Sanjeev electrical co. #controlrelay #4chan
…
已浏览 5.5万 次
2024年6月8日
Facebook
Sanjeev electrical co.
4-Channel Relay Driver Circuit and PCB Design
已浏览 12 次
2019年9月23日
circuitdigest.com
2:02
POV: You’re sleepy at work when a customer says their relay is defect
…
已浏览 8266 次
2024年8月1日
Facebook
Circuitrocks
11:39
Raspberry Pi: 8 Channel Relay step-by-step with software examples fo
…
已浏览 81.9万 次
2014年5月25日
portall.zp.ua
0:15
Industrial Control Made Simple: General Relay Sensor System. #G
…
已浏览 1.1万 次
4 个月之前
Facebook
𝐄𝐥𝐞𝐜𝐭𝐞𝐝 𝐎𝐟𝐟𝐢𝐜𝐢𝐚𝐥
0:16
How to Build a General Relay Circuit: Push Buttons and Indicato
…
已浏览 3025 次
4 个月之前
Facebook
Automation Service
How to gain advanced three phase control with NFC Control Relay to
…
已浏览 2766 次
2022年12月1日
se.com
1:42
Learn EEE™ | PLC Relay Board Connection explained... Share or t
…
已浏览 9163 次
2 个月之前
Instagram
learneee
0:21
General Relay Practical Guide: From Plug-in to Operation with Indicator
…
已浏览 1043 次
2 个月之前
TikTok
weagsales04
1:45
【Reference Video 4】-Remote control channelMapping and switc
…
已浏览 95 次
5 个月之前
bilibili
会飞的猪MOMO
3:40
Explaining Control Relays
已浏览 3846 次
2020年6月14日
YouTube
ISCA Engineering
3:37
How to use: 1 Channel DC12V Remote Control Switch with 2 butt
…
已浏览 65.5万 次
2017年1月12日
YouTube
qiachip.com
26:27
Control Relays (Full lecture)
已浏览 17.9万 次
2015年3月13日
YouTube
Jim Pytel
22:48
Everything you need to know about RELAYS
已浏览 11.3万 次
2017年12月10日
YouTube
Playful Technology
1:47
How to use DC12V 4 Channel Remote Control Switch Relay Rec
…
已浏览 2.5万 次
2018年4月16日
YouTube
qiachip.com
5:49
How To Make 433MHz RF 4-Channel Relay Controller Switch
已浏览 9393 次
2020年12月23日
YouTube
Kiyani's Lab
14:31
Home Automation: 4 channel Solid State Relay with Arduino To contr
…
已浏览 2.6万 次
2019年1月12日
YouTube
Robojax
6:10
ESP32/ESP8266 Relay Module - Control AC Appliances (Web Server)
已浏览 31.5万 次
2019年12月18日
YouTube
Rui Santos
11:00
How to use 4 channel Arduino Relay Shield RJT36
已浏览 3.5万 次
2017年12月28日
YouTube
Robojax
5:11
HOW TO INTERFACE 5V 4 CHANNEL RELAY MODULE WITH
…
已浏览 11.7万 次
2018年8月6日
YouTube
MYTECTUTOR
4:33
5V 1 Channel Level Trigger Optocoupler Relay Module For Ar
…
已浏览 12.2万 次
2019年6月11日
YouTube
Unboxing Channel
4:41
How to use an Arduino Relay Module
已浏览 17.5万 次
2018年2月4日
YouTube
Tinker & Build
4:56
Using 5V 1 channel relay module for Arduino
已浏览 30.6万 次
2017年4月2日
YouTube
Robojax
4:03
Switching Relay Basics | TELE Session 15
已浏览 1.4万 次
2020年9月1日
YouTube
TELE Controls Inc.
4:06
IR REMOTE CONTROL OF A 5V 4 CHANNEL RELAY MODULE USIN
…
已浏览 7049 次
2020年3月25日
YouTube
MYTECTUTOR
观看更多视频
更多类似内容
购买 Channel Relay Controller
广告
$712.95
$792.00
Instek DAQ-900 20-Channel Universal Multiplexer (Solid State Relay)
Test Equipment Depot
$712.95
$792.00
Instek DAQ-900 20-Channel Universal Multiplexer (Solid State Relay)
Test Equipment Depot
$3.66
$7.33
5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
Aliexpress
折扣 50%
$3.66
$7.33
5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
Aliexpress
$217.00
Process Controller, 2 Relays,100 To 240 Vac/Dc Power
IOThrifty
$217.00
Process Controller, 2 Relays,100 To 240 Vac/Dc Power
IOThrifty
$1.65
1 Channel Relay Module 5V 9V 12V 24V High And Low Level Trigger Relay Control Switch With
Aliexpress
$1.65
1 Channel Relay Module 5V 9V 12V 24V High And Low Level Trigger Relay Control Switch With
Aliexpress
$43.99
4 Channel Solid State Relay Module DC 5V To12v Timer Delay Relay Control Board SSR High And Low
Aliexpress
Free shipping
$43.99
4 Channel Solid State Relay Module DC 5V To12v Timer Delay Relay Control Board SSR High And Low
Aliexpress
$17.56
5V 12V Bluetooth Relay Module Bluetooth Remote Relay Output 8 Channel Relay Module For Arduino
Aliexpress
Free shipping
$17.56
5V 12V Bluetooth Relay Module Bluetooth Remote Relay Output 8 Channel Relay Module For Arduino
Aliexpress
$14.24
$18.98
GEYA 4/8/16 Channel Relay Module 1 SPDT DIN Rail Mount 12V 24V DC/AC Interface Relay Module For PLC
Aliexpress
Free shipping
折扣 24%
$14.24
$18.98
GEYA 4/8/16 Channel Relay Module 1 SPDT DIN Rail Mount 12V 24V DC/AC Interface Relay Module For PLC
Aliexpress
$1.50
$2.14
2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way
Aliexpress
折扣 29%
$1.50
$2.14
2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way
Aliexpress
$17.24
$27.95
2 Channel Ethernet Relay Module DC 5-12V Network IP Web Relay Controller Switch TCP UDP Module
Aliexpress
折扣 38%
$17.24
$27.95
2 Channel Ethernet Relay Module DC 5-12V Network IP Web Relay Controller Switch TCP UDP Module
Aliexpress
$10.06
1/2/4/8/16 Channel Relay Control Module 5V 20A Support High / Low Level Voltage Trigger Controller
Aliexpress
$10.06
1/2/4/8/16 Channel Relay Control Module 5V 20A Support High / Low Level Voltage Trigger Controller
Aliexpress
$3.95
1 Channel DC 5-28V Latching Relay Module Single Key Bistable Switch MCU Control One Channel Relay 5V
Aliexpress
$3.95
1 Channel DC 5-28V Latching Relay Module Single Key Bistable Switch MCU Control One Channel Relay 5V
Aliexpress
$1.55
$1.94
4 Channel Relay Module DC 5V 12V 24V High And Low Level Trigger Relay Control Board Shield With
Aliexpress
折扣 20%
$1.55
$1.94
4 Channel Relay Module DC 5V 12V 24V High And Low Level Trigger Relay Control Board Shield With
Aliexpress
$2.60
2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way
Aliexpress
$2.60
2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way
Aliexpress
$6.37
Modbus-Rtu 1/2/4/8 Channel Optocoupler Isolation 12V Relay Module Switch Modbus RTU Relay Output
Aliexpress
$6.37
Modbus-Rtu 1/2/4/8 Channel Optocoupler Isolation 12V Relay Module Switch Modbus RTU Relay Output
Aliexpress
$2.10
2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA
Aliexpress
$2.10
2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA
Aliexpress
$53.75
Azel Technologies SP-81 1 Zone Pump Controller Switching Relay With Surge & Fuse Protection (DPDT) | Supplyhouse.Com
SupplyHouse.com
9
$53.75
Azel Technologies SP-81 1 Zone Pump Controller Switching Relay With Surge & Fuse Protection (DPDT) | Supplyhouse.Com
SupplyHouse.com
$12.88
$15.90
2 Channel Relay Module High-Low Level Trigger Control Relay Module 30A DC 5V Relay Switch Board AC
Aliexpress
Free shipping
折扣 18%
$12.88
$15.90
2 Channel Relay Module High-Low Level Trigger Control Relay Module 30A DC 5V Relay Switch Board AC
Aliexpress
$3.54
4 Channel Optocoupler Relay Module Board High & Low Trigger Relay Module 5V/12V/24V
Aliexpress
$3.54
4 Channel Optocoupler Relay Module Board High & Low Trigger Relay Module 5V/12V/24V
Aliexpress
反馈
