购买 4 Channel Relay Module and 12V DC Power

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$121.00
Securitron Securitron RB-4-12 Relay Board (12VDC)
Keyless Access Locks
$121.00
Securitron Securitron RB-4-12 Relay Board (12VDC)
Keyless Access Locks
$15.99
Max 300A 12 Volt Duty Solenoid Relay 4-Terminal For Golf Carts Heavy Duty Winch Marine In Rush SPST 12VDC 12V Solenoid Relay Nickel-Plating
Amazon.com
245
$15.99
Max 300A 12 Volt Duty Solenoid Relay 4-Terminal For Golf Carts Heavy Duty Winch Marine In Rush SPST 12VDC 12V Solenoid Relay Nickel-Plating
Amazon.com
$11.97
$12.99
Relay 15328866 (Set Of 4) - 12VDC 20A 4-Pin High-Power SPDT Relay - Multi-Use Replacement For GM, GMC, Buick, Chevy Trucks & Cars
Amazon.com
35
$11.97
$12.99
Relay 15328866 (Set Of 4) - 12VDC 20A 4-Pin High-Power SPDT Relay - Multi-Use Replacement For GM, GMC, Buick, Chevy Trucks & Cars
Amazon.com
$18.35
Finder 16A Interface Relay Module 12V DC With LED - 4C.01.9.012.0050
Tameson.com
$18.35
Finder 16A Interface Relay Module 12V DC With LED - 4C.01.9.012.0050
Tameson.com
$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
$8.21
$12.08
GEYA 4 Channel Relay Module DC 24V 12V Intermediate Power Relay Control Switch 220V 230V 5VDC
Aliexpress
Free shipping
折扣 32%
$8.21
$12.08
GEYA 4 Channel Relay Module DC 24V 12V Intermediate Power Relay Control Switch 220V 230V 5VDC
Aliexpress
$10.59
$12.99
871E-1A-D-R1 U15 12VDC 4 Pin Micro ISO Automotive Relay
Amazon.com
50
折扣 18%
$10.59
$12.99
871E-1A-D-R1 U15 12VDC 4 Pin Micro ISO Automotive Relay
Amazon.com
$10.95
Velleman 4 Channel Relay Module Arduino Compatible By Whadda
Jameco Electronics
$10.95
Velleman 4 Channel Relay Module Arduino Compatible By Whadda
Jameco Electronics
$11.53
$18.46
4-Channel DC 12V 30A Relay Module Control Board Optocoupler Isolation High/Low Trigger
Aliexpress
折扣 37%
$11.53
$18.46
4-Channel DC 12V 30A Relay Module Control Board Optocoupler Isolation High/Low Trigger
Aliexpress
$20.99
433Mhz Universal Wireless Remote Control Switch DC 12V 4CH Relay Receiver Module With 4 Channel RF Remote
LightInTheBox
$20.99
433Mhz Universal Wireless Remote Control Switch DC 12V 4CH Relay Receiver Module With 4 Channel RF Remote
LightInTheBox
$6.19
12V 4 Channel Relay Module With Optocoupler High And Low Level Trigger
eBay
$6.19
12V 4 Channel Relay Module With Optocoupler High And Low Level Trigger
eBay
$3.00
1-5PCS 4 Channel Relay Board AVR 51 PIC 5V 12V 4-Channel Relay Module With Optocoupler Relay 4 Way
Aliexpress
$3.00
1-5PCS 4 Channel Relay Board AVR 51 PIC 5V 12V 4-Channel Relay Module With Optocoupler Relay 4 Way
Aliexpress
$3.98
$5.68
3.3V 5V 12V 24V 4 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay
Aliexpress
折扣 29%
$3.98
$5.68
3.3V 5V 12V 24V 4 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay
Aliexpress
$19.99
True MODS 6 Pack 4-Pin 12V Bosch Style Fused Relay Switch Kit [Interlocking Harness Socket Holder] [14 AWG Hot Wires] [SPST] [30 Amp] 12 Volt
Amazon.com
1 千+
$19.99
True MODS 6 Pack 4-Pin 12V Bosch Style Fused Relay Switch Kit [Interlocking Harness Socket Holder] [14 AWG Hot Wires] [SPST] [30 Amp] 12 Volt
Amazon.com
$13.35
5V 12V 24V 30A 4 Channel Relay Module High And Low Level Relay Module
eBay
1
$13.35
5V 12V 24V 30A 4 Channel Relay Module High And Low Level Relay Module
eBay
$12.69
5V 12V 24V 30A 4 Channel Relay Module High Low Level Relay Module
eBay
$12.69
5V 12V 24V 30A 4 Channel Relay Module High Low Level Relay Module
eBay
$10.59
Automotive Relay: 12V DC, 4 Pins, B3 Configuration, SPST-NO, 50 A @ 12V Rating Model: 5ZMU6
Grainger
$10.59
Automotive Relay: 12V DC, 4 Pins, B3 Configuration, SPST-NO, 50 A @ 12V Rating Model: 5ZMU6
Grainger
$0.64
$0.67
Relay Module 1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And
Aliexpress
$0.64
$0.67
Relay Module 1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And
Aliexpress
$0.69
$0.77
High/Low Level Trigger Relay Module TZT 1/2/4/6/8 Channel 5V 12V 24V Home Control Module,With
Aliexpress
折扣 10%
$0.69
$0.77
High/Low Level Trigger Relay Module TZT 1/2/4/6/8 Channel 5V 12V 24V Home Control Module,With
Aliexpress
$7.19
4 Channel 12V Relay Module 250V 10A Relays For Arduino, Automation &
eBay
Free shipping
$7.19
4 Channel 12V Relay Module 250V 10A Relays For Arduino, Automation &
eBay
$1.22
$1.33
Relay Module 1 2 4 6 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And
Aliexpress
$1.22
$1.33
Relay Module 1 2 4 6 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And
Aliexpress
$45.99
Farpida 2Pcs 5541100 24452 Forward And Reverse Relay Module Fit For Tarp Or Winch Motor, Snow Plow & Lift Replace 5541100 ATP0110 12VDC 50A Polarity
Amazon.com
1
Free shipping
$45.99
Farpida 2Pcs 5541100 24452 Forward And Reverse Relay Module Fit For Tarp Or Winch Motor, Snow Plow & Lift Replace 5541100 ATP0110 12VDC 50A Polarity
Amazon.com
$28.37
Wireless Rf Relay Module 12V 4 Channel Kit
eBay
$28.37
Wireless Rf Relay Module 12V 4 Channel Kit
eBay
$11.25
4 Channel 12V Relay Module For PIC ARM AVR DSP. General Purpose Relays.
eBay
$11.25
4 Channel 12V Relay Module For PIC ARM AVR DSP. General Purpose Relays.
eBay
$0.84
$1.00
1 2 6 4 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low Level
Aliexpress
Free shipping
折扣 16%
$0.84
$1.00
1 2 6 4 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low Level
Aliexpress
$16.40
Multi-Purpose Relay Control Module 12Vdc 4-Pin Power Relay For
eBay
Free shipping
$16.40
Multi-Purpose Relay Control Module 12Vdc 4-Pin Power Relay For
eBay
$175.00
Used Rv 6 Relay Output/4 Input Module P/N: 00-00917-416 Pmc I/O 12V
eBay
$175.00
Used Rv 6 Relay Output/4 Input Module P/N: 00-00917-416 Pmc I/O 12V
eBay
$100.00
Altech Corp 8955.2 Rm2e4 Dpdt 4-Channel Module With 12Vdc Relays
eBay
$100.00
Altech Corp 8955.2 Rm2e4 Dpdt 4-Channel Module With 12Vdc Relays
eBay
$0.99
Dc5v 9V 12V 24V 1/2/4/8 Channel Relay Module High Low Level With
eBay
$0.99
Dc5v 9V 12V 24V 1/2/4/8 Channel Relay Module High Low Level With
eBay
$9.59
12V 1/2/4/8/16 Channel Relay Module With Optocoupler For PIC AVR DSP ARM
Banggood
$9.59
12V 1/2/4/8/16 Channel Relay Module With Optocoupler For PIC AVR DSP ARM
Banggood
$175.00
Used 6 Relay Output 4 Input Module 12V P/N: 00-00917-416. INTELLITEC. Other RV, Trailer & Camper Parts & Accessories. 00-00917-416.
eBay
Free shipping
$175.00
Used 6 Relay Output 4 Input Module 12V P/N: 00-00917-416. INTELLITEC. Other RV, Trailer & Camper Parts & Accessories. 00-00917-416.
eBay
$1.08
$1.17
Relay Module 1 2 4 6 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And
Aliexpress
$1.08
$1.17
Relay Module 1 2 4 6 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And
Aliexpress
$0.62
$0.88
5V/12V 1/2/4/6/8 Channel Relay Module With Optocoupler - Relay Output, Compatible With Arduino, In
Aliexpress
折扣 29%
$0.62
$0.88
5V/12V 1/2/4/6/8 Channel Relay Module With Optocoupler - Relay Output, Compatible With Arduino, In
Aliexpress
$1.76
5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Arduino PLC
Aliexpress
$1.76
5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Arduino PLC
Aliexpress
$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
196
$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
$208.12
DSC PC4204CX | Power Supply/Relay Output Module, 16 Module, 1A At 12 Vdc, With (4) Fully Programmable High Current Relay
AllDataResource.com
$208.12
DSC PC4204CX | Power Supply/Relay Output Module, 16 Module, 1A At 12 Vdc, With (4) Fully Programmable High Current Relay
AllDataResource.com
SainSmart 16-Channel 12V Relay Module Board for Arduino DSP AVR PIC ARM
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Modbus RTU 4CH 12V RS485 module
Modbus RTU 4CH 12V RS485 module
2019年9月8日
twinschip.com
Connecting a 12V Relay to Arduino
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instructables.com
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555 Timer Switch 12V Relay with Adjustable time Test review - RJT…
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购买 4 Channel Relay Module and 12V DC Power

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$121.00
Securitron Securitron RB-4-12 Relay Board (12VDC)
Keyless Access Locks
$121.00
Securitron Securitron RB-4-12 Relay Board (12VDC)
Keyless Access Locks
$15.99
Max 300A 12 Volt Duty Solenoid Relay 4-Terminal For Golf Carts Heavy Duty Winch Marine In Rush SPST 12VDC 12V Solenoid Relay Nickel-Plating
Amazon.com
245
$15.99
Max 300A 12 Volt Duty Solenoid Relay 4-Terminal For Golf Carts Heavy Duty Winch Marine In Rush SPST 12VDC 12V Solenoid Relay Nickel-Plating
Amazon.com
$11.97
$12.99
Relay 15328866 (Set Of 4) - 12VDC 20A 4-Pin High-Power SPDT Relay - Multi-Use Replacement For GM, GMC, Buick, Chevy Trucks & Cars
Amazon.com
35
$11.97
$12.99
Relay 15328866 (Set Of 4) - 12VDC 20A 4-Pin High-Power SPDT Relay - Multi-Use Replacement For GM, GMC, Buick, Chevy Trucks & Cars
Amazon.com
$18.35
Finder 16A Interface Relay Module 12V DC With LED - 4C.01.9.012.0050
Tameson.com
$18.35
Finder 16A Interface Relay Module 12V DC With LED - 4C.01.9.012.0050
Tameson.com
$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
$8.21
$12.08
GEYA 4 Channel Relay Module DC 24V 12V Intermediate Power Relay Control Switch 220V 230V 5VDC
Aliexpress
Free shipping
折扣 32%
$8.21
$12.08
GEYA 4 Channel Relay Module DC 24V 12V Intermediate Power Relay Control Switch 220V 230V 5VDC
Aliexpress
$10.59
$12.99
871E-1A-D-R1 U15 12VDC 4 Pin Micro ISO Automotive Relay
Amazon.com
50
折扣 18%
$10.59
$12.99
871E-1A-D-R1 U15 12VDC 4 Pin Micro ISO Automotive Relay
Amazon.com
$10.95
Velleman 4 Channel Relay Module Arduino Compatible By Whadda
Jameco Electronics
$10.95
Velleman 4 Channel Relay Module Arduino Compatible By Whadda
Jameco Electronics
$11.53
$18.46
4-Channel DC 12V 30A Relay Module Control Board Optocoupler Isolation High/Low Trigger
Aliexpress
折扣 37%
$11.53
$18.46
4-Channel DC 12V 30A Relay Module Control Board Optocoupler Isolation High/Low Trigger
Aliexpress
$20.99
433Mhz Universal Wireless Remote Control Switch DC 12V 4CH Relay Receiver Module With 4 Channel RF Remote
LightInTheBox
$20.99
433Mhz Universal Wireless Remote Control Switch DC 12V 4CH Relay Receiver Module With 4 Channel RF Remote
LightInTheBox
$6.19
12V 4 Channel Relay Module With Optocoupler High And Low Level Trigger
eBay
$6.19
12V 4 Channel Relay Module With Optocoupler High And Low Level Trigger
eBay
$3.00
1-5PCS 4 Channel Relay Board AVR 51 PIC 5V 12V 4-Channel Relay Module With Optocoupler Relay 4 Way
Aliexpress
$3.00
1-5PCS 4 Channel Relay Board AVR 51 PIC 5V 12V 4-Channel Relay Module With Optocoupler Relay 4 Way
Aliexpress
$3.98
$5.68
3.3V 5V 12V 24V 4 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay
Aliexpress
折扣 29%
$3.98
$5.68
3.3V 5V 12V 24V 4 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay
Aliexpress
$19.99
True MODS 6 Pack 4-Pin 12V Bosch Style Fused Relay Switch Kit [Interlocking Harness Socket Holder] [14 AWG Hot Wires] [SPST] [30 Amp] 12 Volt
Amazon.com
1 千+
$19.99
True MODS 6 Pack 4-Pin 12V Bosch Style Fused Relay Switch Kit [Interlocking Harness Socket Holder] [14 AWG Hot Wires] [SPST] [30 Amp] 12 Volt
Amazon.com
$13.35
5V 12V 24V 30A 4 Channel Relay Module High And Low Level Relay Module
eBay
1
$13.35
5V 12V 24V 30A 4 Channel Relay Module High And Low Level Relay Module
eBay
$12.69
5V 12V 24V 30A 4 Channel Relay Module High Low Level Relay Module
eBay
$12.69
5V 12V 24V 30A 4 Channel Relay Module High Low Level Relay Module
eBay
$10.59
Automotive Relay: 12V DC, 4 Pins, B3 Configuration, SPST-NO, 50 A @ 12V Rating Model: 5ZMU6
Grainger
$10.59
Automotive Relay: 12V DC, 4 Pins, B3 Configuration, SPST-NO, 50 A @ 12V Rating Model: 5ZMU6
Grainger
$0.64
$0.67
Relay Module 1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And
Aliexpress
$0.64
$0.67
Relay Module 1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And
Aliexpress