购买 One-Channel DC 5V Relay Module for Arduino

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$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
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75
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Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
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75
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Tolako 5V Relay Module 5V Indicator Light LED 1 Channel Relay Module For Arduino ARM PIC AVR MCU
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Tolako 5V Relay Module 5V Indicator Light LED 1 Channel Relay Module For Arduino ARM PIC AVR MCU
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Hiletgo 2Pcs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger
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Hiletgo 2Pcs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger
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Valefod DC 5V Relay Module 1-Channel Relay Switch With Optocoupler Isolation High/Low Level Trigger, Pack Of 10
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400
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Valefod DC 5V Relay Module 1-Channel Relay Switch With Optocoupler Isolation High/Low Level Trigger, Pack Of 10
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400
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Dc 5V Relay Module 1 Channel Low Lever Trigger
Walmart
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HUAREW 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger (Pack Of 10)
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15
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HUAREW 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger (Pack Of 10)
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AITRIP 10PCS 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger Compatible With Arduino Raspberry Pi ARM AVR
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AITRIP 10PCS 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger Compatible With Arduino Raspberry Pi ARM AVR
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123
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AEDIKO 10Pcs DC 5V Relay Module - 1 Channel Relay Switch Board With Optocoupler Isolation, High Or Low Level Trigger
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448
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AEDIKO 10Pcs DC 5V Relay Module - 1 Channel Relay Switch Board With Optocoupler Isolation, High Or Low Level Trigger
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448
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AEDIKO 2Pcs DC 5V Relay Module 4 Channel Relay Board Shield With Optocoupler Isolation Suport High/Low Level Trigger
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AEDIKO 2Pcs DC 5V Relay Module 4 Channel Relay Board Shield With Optocoupler Isolation Suport High/Low Level Trigger
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KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
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KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
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Hiletgo 2Pcs 5V 30A One Channel Relay Module Optocoupler Isolation High And Low Trigger 5V
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Hiletgo 2Pcs 5V 30A One Channel Relay Module Optocoupler Isolation High And Low Trigger 5V
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11
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Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger
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29
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Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger
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29
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KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
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KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
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Taidacent LM393 Voltage Comparator Relay Module 1 Channel / 1CH 5V/12V/24V Volt Comparison Board Stable Perfect (12V)
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20
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Taidacent LM393 Voltage Comparator Relay Module 1 Channel / 1CH 5V/12V/24V Volt Comparison Board Stable Perfect (12V)
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20
$9.03
Seeed Studio 103020132 Relay Module, Arduino/Raspberry Pi | Relay Boards
Newark
$9.03
Seeed Studio 103020132 Relay Module, Arduino/Raspberry Pi | Relay Boards
Newark
$8.59
JQC-3FF-S-Z Relay 5V Low Level Trigger One 1 Channel Relay Module Interface Board Shield For PIC AVR DSP ARM MCU Arduino
Amazon.com
$8.59
JQC-3FF-S-Z Relay 5V Low Level Trigger One 1 Channel Relay Module Interface Board Shield For PIC AVR DSP ARM MCU Arduino
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$1.27
$2.52
5V 1 Channel Relay Module With Optocoupler KY-019 1 Way For Arduino
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5V 1 Channel Relay Module With Optocoupler KY-019 1 Way For Arduino
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Hibctr 4 Packs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger.
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Hibctr 4 Packs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger.
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KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
Aliexpress
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KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
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Dfrobot DFR0017 Digital 5A Relay Mod, Arduino Compatible | Embedded Development Kit Accessories - Other Embedded Computers
Newark
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Dfrobot DFR0017 Digital 5A Relay Mod, Arduino Compatible | Embedded Development Kit Accessories - Other Embedded Computers
Newark
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AEDIKO 4Pcs DC 5V Relay Module 2 Channel Relay Board With Optocoupler Support High Or Low Level Trigger
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58
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AEDIKO 4Pcs DC 5V Relay Module 2 Channel Relay Board With Optocoupler Support High Or Low Level Trigger
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[2-Pack] DC 5V Relay Module 2-Channel Relay Switch With Optocoupler Isolation High/Low Level Trigger
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235
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[2-Pack] DC 5V Relay Module 2-Channel Relay Switch With Optocoupler Isolation High/Low Level Trigger
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$15.21
10PCS 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger For
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10PCS 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger For
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DIANN 12Pcs DC 5V Relay Module 1 Channel Relay Board With Optocoupler Support High/Low Level Trigger
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4
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DIANN 12Pcs DC 5V Relay Module 1 Channel Relay Board With Optocoupler Support High/Low Level Trigger
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4
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Seeed Studio 103020133 Spdt Relay Board, Arduino Board | Relay Boards
Newark
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Seeed Studio 103020133 Spdt Relay Board, Arduino Board | Relay Boards
Newark
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5V/12V/24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Arduino PLC
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5V/12V/24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Arduino PLC
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AEDIKO 8 Channel Relay Module DC 5V Relay Board With OPTO-Isolated Support High Or Low Level Trigger
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26
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AEDIKO 8 Channel Relay Module DC 5V Relay Board With OPTO-Isolated Support High Or Low Level Trigger
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250V/10A 1 Channel Spdt Power Relay Module 5V Control For Arduino DIY PIC AVR DSP ARM MCU
Walmart
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250V/10A 1 Channel Spdt Power Relay Module 5V Control For Arduino DIY PIC AVR DSP ARM MCU
Walmart
3
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8PCS 5V Relay Module 1 Channel Relay Board For Raspberry Pi With Opto-Isolated High Or Low Level Trigger 5V 1 Channel Switch For Arduino
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121
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8PCS 5V Relay Module 1 Channel Relay Board For Raspberry Pi With Opto-Isolated High Or Low Level Trigger 5V 1 Channel Switch For Arduino
Amazon.com
121
$0.78
$0.86
5V 12V Low Level Trigger One 1 Channel Relay Module Interface Board Shield For PIC AVR DSP ARM MCU
Aliexpress
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$0.86
5V 12V Low Level Trigger One 1 Channel Relay Module Interface Board Shield For PIC AVR DSP ARM MCU
Aliexpress
$0.75
5V 1 Channel Relay Module With Optocoupler KY-019 1 Way For Arduino
Aliexpress
$0.75
5V 1 Channel Relay Module With Optocoupler KY-019 1 Way For Arduino
Aliexpress
$13.99
Hosyond 6Pack 2 Channel DC 5V Relay Module With Optocoupler Relay Board For Arduino Raspberry Pi MEGA2560
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49
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Hosyond 6Pack 2 Channel DC 5V Relay Module With Optocoupler Relay Board For Arduino Raspberry Pi MEGA2560
Amazon.com
49
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$0.88
5V/12V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger
Aliexpress
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5V/12V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger
Aliexpress
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$8.99
ELEGOO 8 Channel DC 5V Relay Module With Optocoupler Compatible With Arduino UNO R3 MEGA 1280 DSP ARM PIC AVR STM32
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45
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ELEGOO 8 Channel DC 5V Relay Module With Optocoupler Compatible With Arduino UNO R3 MEGA 1280 DSP ARM PIC AVR STM32
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45
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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+
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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+
$0.33
$0.44
One 1 Channel 5V 9V 12V 24V Relay Module Board Shield For Arduino With Optocoupler Support High And
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One 1 Channel 5V 9V 12V 24V Relay Module Board Shield For Arduino With Optocoupler Support High And
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购买 One-Channel DC 5V Relay Module for Arduino

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$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
75
$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
75
$5.69
Tolako 5V Relay Module 5V Indicator Light LED 1 Channel Relay Module For Arduino ARM PIC AVR MCU
Amazon.com
337
$5.69
Tolako 5V Relay Module 5V Indicator Light LED 1 Channel Relay Module For Arduino ARM PIC AVR MCU
Amazon.com
337
$7.39
Hiletgo 2Pcs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger
Amazon.com
867
$7.39
Hiletgo 2Pcs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger
Amazon.com
867
$12.99
Valefod DC 5V Relay Module 1-Channel Relay Switch With Optocoupler Isolation High/Low Level Trigger, Pack Of 10
Amazon.com
400
$12.99
Valefod DC 5V Relay Module 1-Channel Relay Switch With Optocoupler Isolation High/Low Level Trigger, Pack Of 10
Amazon.com
400
$8.49
Dc 5V Relay Module 1 Channel Low Lever Trigger
Walmart
Free shipping
$8.49
Dc 5V Relay Module 1 Channel Low Lever Trigger
Walmart
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$15.99
HUAREW 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger (Pack Of 10)
Amazon.com
15
$15.99
HUAREW 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger (Pack Of 10)
Amazon.com
15
$9.59
AITRIP 10PCS 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger Compatible With Arduino Raspberry Pi ARM AVR
Amazon.com
123
$9.59
AITRIP 10PCS 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger Compatible With Arduino Raspberry Pi ARM AVR
Amazon.com
123
$11.99
AEDIKO 10Pcs DC 5V Relay Module - 1 Channel Relay Switch Board With Optocoupler Isolation, High Or Low Level Trigger
Amazon.com
448
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AEDIKO 10Pcs DC 5V Relay Module - 1 Channel Relay Switch Board With Optocoupler Isolation, High Or Low Level Trigger
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448
$8.99
AEDIKO 2Pcs DC 5V Relay Module 4 Channel Relay Board Shield With Optocoupler Isolation Suport High/Low Level Trigger
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31
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AEDIKO 2Pcs DC 5V Relay Module 4 Channel Relay Board Shield With Optocoupler Isolation Suport High/Low Level Trigger
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31
$1.26
$3.72
KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
Aliexpress
折扣 66%
$1.26
$3.72
KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
Aliexpress
$9.99
Hiletgo 2Pcs 5V 30A One Channel Relay Module Optocoupler Isolation High And Low Trigger 5V
Amazon.com
11
$9.99
Hiletgo 2Pcs 5V 30A One Channel Relay Module Optocoupler Isolation High And Low Trigger 5V
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11
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Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger
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29
$11.39
Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger
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29
$0.24
$0.34
KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
Aliexpress
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KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
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Taidacent LM393 Voltage Comparator Relay Module 1 Channel / 1CH 5V/12V/24V Volt Comparison Board Stable Perfect (12V)
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20
$24.29
Taidacent LM393 Voltage Comparator Relay Module 1 Channel / 1CH 5V/12V/24V Volt Comparison Board Stable Perfect (12V)
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20
$9.03
Seeed Studio 103020132 Relay Module, Arduino/Raspberry Pi | Relay Boards
Newark
$9.03
Seeed Studio 103020132 Relay Module, Arduino/Raspberry Pi | Relay Boards
Newark
$8.59
JQC-3FF-S-Z Relay 5V Low Level Trigger One 1 Channel Relay Module Interface Board Shield For PIC AVR DSP ARM MCU Arduino
Amazon.com
$8.59
JQC-3FF-S-Z Relay 5V Low Level Trigger One 1 Channel Relay Module Interface Board Shield For PIC AVR DSP ARM MCU Arduino
Amazon.com
$1.27
$2.52
5V 1 Channel Relay Module With Optocoupler KY-019 1 Way For Arduino
Aliexpress
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5V 1 Channel Relay Module With Optocoupler KY-019 1 Way For Arduino
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Hibctr 4 Packs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger.
Amazon.com
3
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$6.97
$9.99
Hibctr 4 Packs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger.
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3