购买 Relay Module 4 Channel 12V

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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)
Automation Direct
$8.99
Sainsmart 4-Channel Relay Module
Amazon.com
432
$8.99
Sainsmart 4-Channel Relay Module
Amazon.com
432
$12.87
12V 4 Channel USB Relay Module Programmable Computer Control Switch For Smart Home PC Intelligent Control
Amazon.com
$12.87
12V 4 Channel USB Relay Module Programmable Computer Control Switch For Smart Home PC Intelligent Control
Amazon.com
$7.65
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
Amazon.com
10
$7.65
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
Amazon.com
10
$7.99
Diitao 2PCS 12V 4 Channel Solid State Relay Module High Level Low Level Triggering Relay Module For Industrial Control Smart Control Automation
Amazon.com
2
$7.99
Diitao 2PCS 12V 4 Channel Solid State Relay Module High Level Low Level Triggering Relay Module For Industrial Control Smart Control Automation
Amazon.com
2
$24.59
4 Channel Relay Module 12V RS485 Transmitter Receiver With Antenna 4DI 4DO Switch Remote Control Wireless 433Mhz
Amazon.com
Free shipping
$24.59
4 Channel Relay Module 12V RS485 Transmitter Receiver With Antenna 4DI 4DO Switch Remote Control Wireless 433Mhz
Amazon.com
Free shipping
$19.83
MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)
Amazon.com
Free shipping
$19.83
MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)
Amazon.com
Free shipping
$11.99
4 Channel Relay Module - Progressive Automations
Progressive Automations
$11.99
4 Channel Relay Module - Progressive Automations
Progressive Automations
$112.00
Relay/analog Combo Module: 6-pt in, 4-pt out, 3-ch in, 2-ch out (PN# 14742129)
Automation Direct
$112.00
Relay/analog Combo Module: 6-pt in, 4-pt out, 3-ch in, 2-ch out (PN# 14742129)
Automation Direct
$29.00
DIN Rail Mount AC/DC 5V 12V 24V SPST-NO 5Amp Power Relay Module (AC/DC 24V, 4 Channels)
Amazon.com
12
$29.00
DIN Rail Mount AC/DC 5V 12V 24V SPST-NO 5Amp Power Relay Module (AC/DC 24V, 4 Channels)
Amazon.com
12
$8.24
Velleman VMA400 4 Channel Relay Module
Amazon.com
4
$8.24
Velleman VMA400 4 Channel Relay Module
Amazon.com
4
$7.99
Hiletgo 4 Channel 24V Relay Module With OPTO-Isolated Support High And Low Level Trigger For PLC Automation Equipment Control
Amazon.com
76
$7.99
Hiletgo 4 Channel 24V Relay Module With OPTO-Isolated Support High And Low Level Trigger For PLC Automation Equipment Control
Amazon.com
76
$17.04
4 Channel Relay Module DC 6-24V For Automotive Motor LED Control
Amazon.com
1
$17.04
4 Channel Relay Module DC 6-24V For Automotive Motor LED Control
Amazon.com
1
$20.99
$31.17
433Mhz Universal Wireless Remote Control Switch DC 12V 4CH Relay Receiver Module With 4 Channel RF Remote
LightInTheBox
折扣 32%
$20.99
$31.17
433Mhz Universal Wireless Remote Control Switch DC 12V 4CH Relay Receiver Module With 4 Channel RF Remote
LightInTheBox
$81.00
Relay Output Module: 4-pt, 6-48 VDC/6-208 VAC (PN# F0-04TRS)
Automation Direct
$81.00
Relay Output Module: 4-pt, 6-48 VDC/6-208 VAC (PN# F0-04TRS)
Automation Direct
$17.99
DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home
Amazon.com
9
$17.99
DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home
Amazon.com
9
$2.85
5V 12V 4-Channel Relay Module Shield ARM PIC AVR DSP Electronic 5V 4 Channel Relay.4 Road 5V Relay
Aliexpress
$2.85
5V 12V 4-Channel Relay Module Shield ARM PIC AVR DSP Electronic 5V 4 Channel Relay.4 Road 5V Relay
Aliexpress
$29.92
Wireless Rf Relay Module 12V 4 Channel Kit
eBay
$29.92
Wireless Rf Relay Module 12V 4 Channel Kit
eBay
$21.99
QIACHIP 433Mhz Wireless RF Switch DC 12V 24V 4Channel Wireless Remote Control Switch, Relay Receiver Module, Transmitter Momentary Toggle Switch (4
Amazon.com
65
$21.99
QIACHIP 433Mhz Wireless RF Switch DC 12V 24V 4Channel Wireless Remote Control Switch, Relay Receiver Module, Transmitter Momentary Toggle Switch (4
Amazon.com
65
$18.02
$23.10
GEYA 4 Channel Relay Module 1 SPDT DIN Rail Mount 5V 12V 24V DC/AC Interface Relay Module For PLC
Aliexpress
Free shipping
折扣 21%
$18.02
$23.10
GEYA 4 Channel Relay Module 1 SPDT DIN Rail Mount 5V 12V 24V DC/AC Interface Relay Module For PLC
Aliexpress
Free shipping
$4.55
$5.69
DC 5V/12V/24V 4 Channel 30A Output Relay Module High And Low Level Trigger Relay Module For Home PLC
Aliexpress
折扣 20%
$4.55
$5.69
DC 5V/12V/24V 4 Channel 30A Output Relay Module High And Low Level Trigger Relay Module For Home PLC
Aliexpress
$2.75
$5.45
433Mhz Wireless Remote Control Switch DC 12V 4CH Relay Receiver Module With 4 Channel RF Remote
Aliexpress
折扣 49%
$2.75
$5.45
433Mhz Wireless Remote Control Switch DC 12V 4CH Relay Receiver Module With 4 Channel RF Remote
Aliexpress
$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
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
Amazon.com
$24.06
AUNMAS 4 Channel Multifunction Relay Board Module With Timer, DPDT Switch 8-36V DC, Adjustable Time Delay Relay For Industrial Automation Car
Amazon.com
$24.06
AUNMAS 4 Channel Multifunction Relay Board Module With Timer, DPDT Switch 8-36V DC, Adjustable Time Delay Relay For Industrial Automation Car
Amazon.com
$6.10
$7.53
4 Channel Wifi Smart Motor Switch Module,DC 12V 24V 32V AC220V,Inching,1CH 4CH Pulse Relay,Remote
Aliexpress
Free shipping
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$6.10
$7.53
4 Channel Wifi Smart Motor Switch Module,DC 12V 24V 32V AC220V,Inching,1CH 4CH Pulse Relay,Remote
Aliexpress
Free shipping
$8.29
ABS With Optocoupler DC Output 817 4 Channel Voltage Isolation Board Level Relay Module Relay Module Board For Calibrating
Amazon.com
Free shipping
$8.29
ABS With Optocoupler DC Output 817 4 Channel Voltage Isolation Board Level Relay Module Relay Module Board For Calibrating
Amazon.com
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$18.99
4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC/AC Interface Relay Module Replace FY-T734-24VACDC
Amazon.com
4
$18.99
4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC/AC Interface Relay Module Replace FY-T734-24VACDC
Amazon.com
4
$1.38
$1.72
1PCS 4 Channel DC 3V 5V 12V Relay Module Board 3.3V Low Level Trigger With Lamp
Aliexpress
折扣 19%
$1.38
$1.72
1PCS 4 Channel DC 3V 5V 12V Relay Module Board 3.3V Low Level Trigger With Lamp
Aliexpress
$1.28
1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low Level
Aliexpress
$1.28
1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low Level
Aliexpress
$1.70
$2.75
1 2 4 8 Channel Relay Module Board Shield 5V 12V 24V With Optocoupler Support High And Low Level
Aliexpress
折扣 38%
$1.70
$2.75
1 2 4 8 Channel Relay Module Board Shield 5V 12V 24V With Optocoupler Support High And Low Level
Aliexpress
$1.27
1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low Level
Aliexpress
$1.27
1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low Level
Aliexpress
$2.15
Relay Module 1 2 4 6 8 Channel 5V 12V 24V Relay Module Board With Optocoupler Support High And Low
Aliexpress
$2.15
Relay Module 1 2 4 6 8 Channel 5V 12V 24V Relay Module Board With Optocoupler Support High And Low
Aliexpress
$1.34
$1.79
DC 5V 12V 1 CH 4 Channel Relay Module Infrared IR Remote Switch Control 1/ 4 Way Self Locking Jog
Aliexpress
Free shipping
折扣 25%
$1.34
$1.79
DC 5V 12V 1 CH 4 Channel Relay Module Infrared IR Remote Switch Control 1/ 4 Way Self Locking Jog
Aliexpress
Free shipping
$5.99
NOYITO 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 10A For PLC Automation Equipment Control (4-
Amazon.com
9
$5.99
NOYITO 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 10A For PLC Automation Equipment Control (4-
Amazon.com
9
$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
30
$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
30
$9.78
$12.22
AD22B04 4 Channel Relay DC 12V 4 Way Relay MT8870 DTMF Tone Signal Decoder Phone Voice Remote
Aliexpress
折扣 19%
$9.78
$12.22
AD22B04 4 Channel Relay DC 12V 4 Way Relay MT8870 DTMF Tone Signal Decoder Phone Voice Remote
Aliexpress
4-Channel Relay Driver Circuit and PCB Design
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购买 Relay Module 4 Channel 12V

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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)
Automation Direct
$8.99
Sainsmart 4-Channel Relay Module
Amazon.com
432
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Sainsmart 4-Channel Relay Module
Amazon.com
432
$12.87
12V 4 Channel USB Relay Module Programmable Computer Control Switch For Smart Home PC Intelligent Control
Amazon.com
$12.87
12V 4 Channel USB Relay Module Programmable Computer Control Switch For Smart Home PC Intelligent Control
Amazon.com
$7.65
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
Amazon.com
10
$7.65
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
Amazon.com
10
$7.99
Diitao 2PCS 12V 4 Channel Solid State Relay Module High Level Low Level Triggering Relay Module For Industrial Control Smart Control Automation
Amazon.com
2
$7.99
Diitao 2PCS 12V 4 Channel Solid State Relay Module High Level Low Level Triggering Relay Module For Industrial Control Smart Control Automation
Amazon.com
2
$24.59
4 Channel Relay Module 12V RS485 Transmitter Receiver With Antenna 4DI 4DO Switch Remote Control Wireless 433Mhz
Amazon.com
Free shipping
$24.59
4 Channel Relay Module 12V RS485 Transmitter Receiver With Antenna 4DI 4DO Switch Remote Control Wireless 433Mhz
Amazon.com
Free shipping
$19.83
MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)
Amazon.com
Free shipping
$19.83
MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)
Amazon.com
Free shipping
$11.99
4 Channel Relay Module - Progressive Automations
Progressive Automations
$11.99
4 Channel Relay Module - Progressive Automations
Progressive Automations
$112.00
Relay/analog Combo Module: 6-pt in, 4-pt out, 3-ch in, 2-ch out (PN# 14742129)
Automation Direct
$112.00
Relay/analog Combo Module: 6-pt in, 4-pt out, 3-ch in, 2-ch out (PN# 14742129)
Automation Direct
$29.00
DIN Rail Mount AC/DC 5V 12V 24V SPST-NO 5Amp Power Relay Module (AC/DC 24V, 4 Channels)
Amazon.com
12
$29.00
DIN Rail Mount AC/DC 5V 12V 24V SPST-NO 5Amp Power Relay Module (AC/DC 24V, 4 Channels)
Amazon.com
12
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Velleman VMA400 4 Channel Relay Module
Amazon.com
4
$8.24
Velleman VMA400 4 Channel Relay Module
Amazon.com
4
$7.99
Hiletgo 4 Channel 24V Relay Module With OPTO-Isolated Support High And Low Level Trigger For PLC Automation Equipment Control
Amazon.com
76
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Hiletgo 4 Channel 24V Relay Module With OPTO-Isolated Support High And Low Level Trigger For PLC Automation Equipment Control
Amazon.com
76
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4 Channel Relay Module DC 6-24V For Automotive Motor LED Control
Amazon.com
1
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4 Channel Relay Module DC 6-24V For Automotive Motor LED Control
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1
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433Mhz Universal Wireless Remote Control Switch DC 12V 4CH Relay Receiver Module With 4 Channel RF Remote
LightInTheBox
折扣 32%
$20.99
$31.17
433Mhz Universal Wireless Remote Control Switch DC 12V 4CH Relay Receiver Module With 4 Channel RF Remote
LightInTheBox
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Relay Output Module: 4-pt, 6-48 VDC/6-208 VAC (PN# F0-04TRS)
Automation Direct
$81.00
Relay Output Module: 4-pt, 6-48 VDC/6-208 VAC (PN# F0-04TRS)
Automation Direct
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DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home
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9
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DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home
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5V 12V 4-Channel Relay Module Shield ARM PIC AVR DSP Electronic 5V 4 Channel Relay.4 Road 5V Relay
Aliexpress
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5V 12V 4-Channel Relay Module Shield ARM PIC AVR DSP Electronic 5V 4 Channel Relay.4 Road 5V Relay
Aliexpress
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Wireless Rf Relay Module 12V 4 Channel Kit
eBay
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Wireless Rf Relay Module 12V 4 Channel Kit
eBay