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52% off
1 Channel 5V / 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger For Arduino 1 Channel 5V / 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger For Arduino

1 Channel 5V / 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger For Arduino

$20.28$42.25

94 sold
49% off
1PCS Relay Module 5V 12V 24V 1 2 4 8 Channel Relay Modules Board with Optocoupler Support High and Low Level Trigger for Arduino 1PCS Relay Module 5V 12V 24V 1 2 4 8 Channel Relay Modules Board with Optocoupler Support High and Low Level Trigger for Arduino

1PCS Relay Module 5V 12V 24V 1 2 4 8 Channel Relay Modules Board with Optocoupler Support High and Low Level Trigger for Arduino

$27.38$54.75

284 sold
52% off
1 Channel 5V 12V Relay Module Board Shield for Arduino with Optocoupler Support High and Low Level Trigger 1 Channel 5V 12V Relay Module Board Shield for Arduino with Optocoupler Support High and Low Level Trigger

1 Channel 5V 12V Relay Module Board Shield for Arduino with Optocoupler Support High and Low Level Trigger

$20.11$41.90

319 sold
50% off
1PCS Relay Module 5V 12V 24V 1 2 4 8 Channel Relay Modules Board with Optocoupler Support High and Low Level Trigger for Arduino 1PCS Relay Module 5V 12V 24V 1 2 4 8 Channel Relay Modules Board with Optocoupler Support High and Low Level Trigger for Arduino

1PCS Relay Module 5V 12V 24V 1 2 4 8 Channel Relay Modules Board with Optocoupler Support High and Low Level Trigger for Arduino

$23.91$47.83

284 sold
1 2 4 6 8 Channel Way 5V 12V 24V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger for Arduino 1 2 4 6 8 Channel Way 5V 12V 24V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger for Arduino

1 2 4 6 8 Channel Way 5V 12V 24V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger for Arduino

$11.03$11.03

599 sold
51% off
TENSTAR 5pcs TXS0108E Module 8 Channel Logic Level Converter Bi-Directional High Speed Full Duplex Shifter 3.3V 5V TXS0108 TENSTAR 5pcs TXS0108E Module 8 Channel Logic Level Converter Bi-Directional High Speed Full Duplex Shifter 3.3V 5V TXS0108

TENSTAR 5pcs TXS0108E Module 8 Channel Logic Level Converter Bi-Directional High Speed Full Duplex Shifter 3.3V 5V TXS0108

$28.91$59.00

402 sold
Optocoupler Isolated Relay Module 5V 12V 24V 1 2 4 6 8 Channel High Low Level Trigger Board Optocoupler Isolated Relay Module 5V 12V 24V 1 2 4 6 8 Channel High Low Level Trigger Board

Optocoupler Isolated Relay Module 5V 12V 24V 1 2 4 6 8 Channel High Low Level Trigger Board

$14.83$14.83

143 sold
5V 12V 24V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger 5V 12V 24V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

5V 12V 24V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

$1.58$1.58

424 sold
52% off
DC 3.3V/5V Isolated TTL to RS485 Level Module Serial Port Auto-Reversing High-Speed 2Mbps Module DC 3.3V/5V Isolated TTL to RS485 Level Module Serial Port Auto-Reversing High-Speed 2Mbps Module

DC 3.3V/5V Isolated TTL to RS485 Level Module Serial Port Auto-Reversing High-Speed 2Mbps Module

$44.34$92.37

511 sold
52% off
TENSTAR 5pcs TXS0108E Module 8 Channel Logic Level Converter Bi-Directional High Speed Full Duplex Shifter 3.3V 5V TXS0108 TENSTAR 5pcs TXS0108E Module 8 Channel Logic Level Converter Bi-Directional High Speed Full Duplex Shifter 3.3V 5V TXS0108

TENSTAR 5pcs TXS0108E Module 8 Channel Logic Level Converter Bi-Directional High Speed Full Duplex Shifter 3.3V 5V TXS0108

$26.36$54.91

460 sold
67% off
1 Channel 5V 12V Relay Module Board Shield for Arduino with Optocoupler Support High and Low Level Trigger 1 Channel 5V 12V Relay Module Board Shield for Arduino with Optocoupler Support High and Low Level Trigger

1 Channel 5V 12V Relay Module Board Shield for Arduino with Optocoupler Support High and Low Level Trigger

$20.95$63.70

313 sold
50% off
TXS0108E High-speed Full Duplex 8-channel Level Conversion Module 8-bit Bidirectional Voltage Converter TXS0108E High-speed Full Duplex 8-channel Level Conversion Module 8-bit Bidirectional Voltage Converter

TXS0108E High-speed Full Duplex 8-channel Level Conversion Module 8-bit Bidirectional Voltage Converter

$19.36$38.72

211 sold
1 2 4 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino Electronic DIY 1 2 4 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino Electronic DIY

1 2 4 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino Electronic DIY

$1.85$1.85

1040 sold
52% off
1 2 4 8 Channel 5V/12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino 1 2 4 8 Channel 5V/12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

1 2 4 8 Channel 5V/12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

$21.27$44.31

1873 sold
49% off
DC 3.3V/5V Isolated TTL to RS485 Level Module Serial Port Auto-Reversing High-Speed 2Mbps Module DC 3.3V/5V Isolated TTL to RS485 Level Module Serial Port Auto-Reversing High-Speed 2Mbps Module

DC 3.3V/5V Isolated TTL to RS485 Level Module Serial Port Auto-Reversing High-Speed 2Mbps Module

$38.68$77.35

835 sold
51% off
3pcs TXS0108E Module 8 Channel Logic Level Converter Bi-Directional High Speed Full Duplex Shifter 3.3V 5V TXS0108 jyjd

3pcs TXS0108E Module 8 Channel Logic Level Converter Bi-Directional High Speed Full Duplex Shifter 3.3V 5V TXS0108 jyjd

$25.81$52.67

249 sold
30% off
1 2 4 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino Electronic DIY 1 2 4 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino Electronic DIY

1 2 4 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino Electronic DIY

$10.26$14.66

122 sold
50% off
DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry

DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry

$20.88$41.76

4207 sold
5PCS 10PCS KY-019 5V 1 Channel Relay Module Board High Level Trigger for Arduino PIC AVR ARM 5PCS 10PCS KY-019 5V 1 Channel Relay Module Board High Level Trigger for Arduino PIC AVR ARM

5PCS 10PCS KY-019 5V 1 Channel Relay Module Board High Level Trigger for Arduino PIC AVR ARM

$40.49$40.49

188 sold
50% off
LM393 Voltage Comparator Module Signal Waveform Adjustable High Low Level/Load Drive Dual Channel 4.5-28V High Voltage Module LM393 Voltage Comparator Module Signal Waveform Adjustable High Low Level/Load Drive Dual Channel 4.5-28V High Voltage Module

LM393 Voltage Comparator Module Signal Waveform Adjustable High Low Level/Load Drive Dual Channel 4.5-28V High Voltage Module

$20.61$41.22

528 sold
65% off
High/Low Level Trigger Relay Module 1/2/4/8 Channel 5V12V24V Home Intelligent Control Module With Optocoupler Isolation Output High/Low Level Trigger Relay Module 1/2/4/8 Channel 5V12V24V Home Intelligent Control Module With Optocoupler Isolation Output

High/Low Level Trigger Relay Module 1/2/4/8 Channel 5V12V24V Home Intelligent Control Module With Optocoupler Isolation Output

$22.40$64.01

728 sold
50% off
High Quality Active / Passive Buzzer Module DC 3.3-5V For Arduino Smart Car DIY Kit Low Level Trigger Control Board Sound Sensor High Quality Active / Passive Buzzer Module DC 3.3-5V For Arduino Smart Car DIY Kit Low Level Trigger Control Board Sound Sensor

High Quality Active / Passive Buzzer Module DC 3.3-5V For Arduino Smart Car DIY Kit Low Level Trigger Control Board Sound Sensor

$16.82$33.64

730 sold
52% off
DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry

DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry

$18.32$38.16

1339 sold
2 channel Relay Module 5V 12V 24V High and Low Level Trigger Relay Control With Optocoupler Two Way Relays DC 5 V 12 V 24 V Volt 2 channel Relay Module 5V 12V 24V High and Low Level Trigger Relay Control With Optocoupler Two Way Relays DC 5 V 12 V 24 V Volt

2 channel Relay Module 5V 12V 24V High and Low Level Trigger Relay Control With Optocoupler Two Way Relays DC 5 V 12 V 24 V Volt

$2.23$2.23

76 sold
51% off
1Pc 3.3V 5V 12V 24V 1 Channel Relay Module High Low Level Trigger Dual Optocoupler Isolated Relay Board 1Pc 3.3V 5V 12V 24V 1 Channel Relay Module High Low Level Trigger Dual Optocoupler Isolated Relay Board

1Pc 3.3V 5V 12V 24V 1 Channel Relay Module High Low Level Trigger Dual Optocoupler Isolated Relay Board

$25.96$52.97

309 sold
67% off
1 Channel 5V / 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger For Arduino 1 Channel 5V / 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger For Arduino

1 Channel 5V / 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger For Arduino

$20.94$63.44

94 sold
49% off
High-Power 600W MOS Tube FET Trigger Drive Module PWM Control High / Low Level Trigger Switch DC 4V-60V 5V 12V 24V High-Power 600W MOS Tube FET Trigger Drive Module PWM Control High / Low Level Trigger Switch DC 4V-60V 5V 12V 24V

High-Power 600W MOS Tube FET Trigger Drive Module PWM Control High / Low Level Trigger Switch DC 4V-60V 5V 12V 24V

$22.86$45.71

440 sold
49% off
1/2/4/8 Channel Relay Module 5V/12V/24V with Optocoupler Isolation High/Low Level Dual Trigger for Arduino/PLC/MCU Control Board 1/2/4/8 Channel Relay Module 5V/12V/24V with Optocoupler Isolation High/Low Level Dual Trigger for Arduino/PLC/MCU Control Board

1/2/4/8 Channel Relay Module 5V/12V/24V with Optocoupler Isolation High/Low Level Dual Trigger for Arduino/PLC/MCU Control Board

$34.57$69.13

89 sold
67% off
5pcs 12X12MM Big key module Big button module Light touch switch module with hat High level output for arduino or raspberry pi 3 5pcs 12X12MM Big key module Big button module Light touch switch module with hat High level output for arduino or raspberry pi 3

5pcs 12X12MM Big key module Big button module Light touch switch module with hat High level output for arduino or raspberry pi 3

$21.10$63.95

128 sold
12X12MM Big Key Module Button Light Touch Switch 3P Interface With Hat High Digital Level Output For Arduino Raspberry Pi 12X12MM Big Key Module Button Light Touch Switch 3P Interface With Hat High Digital Level Output For Arduino Raspberry Pi

12X12MM Big Key Module Button Light Touch Switch 3P Interface With Hat High Digital Level Output For Arduino Raspberry Pi

$1.04$1.04

121 sold
50% off
1 Channel Relay Module 5V Relay Switch Board KY-019 High Level Trigger 1 Channel Relay Module 5V Relay Switch Board KY-019 High Level Trigger

1 Channel Relay Module 5V Relay Switch Board KY-019 High Level Trigger

$19.61$39.22

86 sold
50% off
1 Channel 5V 12V 24V Relay Module Board Shield for Arduino with Optocoupler Support High and Low Level Trigger 1 Channel 5V 12V 24V Relay Module Board Shield for Arduino with Optocoupler Support High and Low Level Trigger

1 Channel 5V 12V 24V Relay Module Board Shield for Arduino with Optocoupler Support High and Low Level Trigger

$22.41$44.83

1144 sold
67% off
LM393 Voltage Comparator Module Signal Waveform Adjustable High Low Level/Load Drive Dual Channel 4.5-28V High Voltage Module LM393 Voltage Comparator Module Signal Waveform Adjustable High Low Level/Load Drive Dual Channel 4.5-28V High Voltage Module

LM393 Voltage Comparator Module Signal Waveform Adjustable High Low Level/Load Drive Dual Channel 4.5-28V High Voltage Module

$20.44$61.93

182 sold
2 channel Relay Module 5V 12V 24V High and Low Level Trigger Relay Control With Optocoupler Two Way Relays DC 5 V 12 V 24 V Volt 2 channel Relay Module 5V 12V 24V High and Low Level Trigger Relay Control With Optocoupler Two Way Relays DC 5 V 12 V 24 V Volt

2 channel Relay Module 5V 12V 24V High and Low Level Trigger Relay Control With Optocoupler Two Way Relays DC 5 V 12 V 24 V Volt

$5.33$5.33

246 sold
30% off
Relay Module 1 Channel 5V 12V 24V Board Shield With Optocoupler Isolation Support High and Low Level Trigger for Arduino Relay Module 1 Channel 5V 12V 24V Board Shield With Optocoupler Isolation Support High and Low Level Trigger for Arduino

Relay Module 1 Channel 5V 12V 24V Board Shield With Optocoupler Isolation Support High and Low Level Trigger for Arduino

$11.07$15.81

1236 sold
53% off
DC 5V 12V 1 2 4 6 8 Way Relay Module for Arduino 1 2 4 6 8 Channel Relay Module with Optocoupler High and Low Level Trigger DC 5V 12V 1 2 4 6 8 Way Relay Module for Arduino 1 2 4 6 8 Channel Relay Module with Optocoupler High and Low Level Trigger

DC 5V 12V 1 2 4 6 8 Way Relay Module for Arduino 1 2 4 6 8 Channel Relay Module with Optocoupler High and Low Level Trigger

$34.62$73.67

96 sold
52% off
1 Channel 5V / 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger For Arduino 1 Channel 5V / 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger For Arduino

1 Channel 5V / 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger For Arduino

$20.28 $42.25

94 sold

Categories: Electronic Components & Supplies, Active Components

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49% off
1PCS Relay Module 5V 12V 24V 1 2 4 8 Channel Relay Modules Board with Optocoupler Support High and Low Level Trigger for Arduino 1PCS Relay Module 5V 12V 24V 1 2 4 8 Channel Relay Modules Board with Optocoupler Support High and Low Level Trigger for Arduino

1PCS Relay Module 5V 12V 24V 1 2 4 8 Channel Relay Modules Board with Optocoupler Support High and Low Level Trigger for Arduino

$27.38 $54.75

284 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
52% off
1 Channel 5V 12V Relay Module Board Shield for Arduino with Optocoupler Support High and Low Level Trigger 1 Channel 5V 12V Relay Module Board Shield for Arduino with Optocoupler Support High and Low Level Trigger

1 Channel 5V 12V Relay Module Board Shield for Arduino with Optocoupler Support High and Low Level Trigger

$20.11 $41.90

319 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
50% off
1PCS Relay Module 5V 12V 24V 1 2 4 8 Channel Relay Modules Board with Optocoupler Support High and Low Level Trigger for Arduino 1PCS Relay Module 5V 12V 24V 1 2 4 8 Channel Relay Modules Board with Optocoupler Support High and Low Level Trigger for Arduino

1PCS Relay Module 5V 12V 24V 1 2 4 8 Channel Relay Modules Board with Optocoupler Support High and Low Level Trigger for Arduino

$23.91 $47.83

284 sold

Categories: Electronic Components & Supplies, Active Components

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1 2 4 6 8 Channel Way 5V 12V 24V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger for Arduino 1 2 4 6 8 Channel Way 5V 12V 24V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger for Arduino

1 2 4 6 8 Channel Way 5V 12V 24V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger for Arduino

$11.03 $11.03

599 sold

Categories: Electronic Components & Supplies, Active Components

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51% off
TENSTAR 5pcs TXS0108E Module 8 Channel Logic Level Converter Bi-Directional High Speed Full Duplex Shifter 3.3V 5V TXS0108 TENSTAR 5pcs TXS0108E Module 8 Channel Logic Level Converter Bi-Directional High Speed Full Duplex Shifter 3.3V 5V TXS0108

TENSTAR 5pcs TXS0108E Module 8 Channel Logic Level Converter Bi-Directional High Speed Full Duplex Shifter 3.3V 5V TXS0108

$28.91 $59.00

402 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
Optocoupler Isolated Relay Module 5V 12V 24V 1 2 4 6 8 Channel High Low Level Trigger Board Optocoupler Isolated Relay Module 5V 12V 24V 1 2 4 6 8 Channel High Low Level Trigger Board

Optocoupler Isolated Relay Module 5V 12V 24V 1 2 4 6 8 Channel High Low Level Trigger Board

$14.83 $14.83

143 sold

Categories: Electronic Components & Supplies, Active Components

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5V 12V 24V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger 5V 12V 24V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

5V 12V 24V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

$1.58 $1.58

424 sold

Categories: Electronic Components & Supplies, Active Components

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52% off
DC 3.3V/5V Isolated TTL to RS485 Level Module Serial Port Auto-Reversing High-Speed 2Mbps Module DC 3.3V/5V Isolated TTL to RS485 Level Module Serial Port Auto-Reversing High-Speed 2Mbps Module

DC 3.3V/5V Isolated TTL to RS485 Level Module Serial Port Auto-Reversing High-Speed 2Mbps Module

$44.34 $92.37

511 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
52% off
TENSTAR 5pcs TXS0108E Module 8 Channel Logic Level Converter Bi-Directional High Speed Full Duplex Shifter 3.3V 5V TXS0108 TENSTAR 5pcs TXS0108E Module 8 Channel Logic Level Converter Bi-Directional High Speed Full Duplex Shifter 3.3V 5V TXS0108

TENSTAR 5pcs TXS0108E Module 8 Channel Logic Level Converter Bi-Directional High Speed Full Duplex Shifter 3.3V 5V TXS0108

$26.36 $54.91

460 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
67% off
1 Channel 5V 12V Relay Module Board Shield for Arduino with Optocoupler Support High and Low Level Trigger 1 Channel 5V 12V Relay Module Board Shield for Arduino with Optocoupler Support High and Low Level Trigger

1 Channel 5V 12V Relay Module Board Shield for Arduino with Optocoupler Support High and Low Level Trigger

$20.95 $63.70

313 sold

Categories: Electronic Components & Supplies, Active Components

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50% off
TXS0108E High-speed Full Duplex 8-channel Level Conversion Module 8-bit Bidirectional Voltage Converter TXS0108E High-speed Full Duplex 8-channel Level Conversion Module 8-bit Bidirectional Voltage Converter

TXS0108E High-speed Full Duplex 8-channel Level Conversion Module 8-bit Bidirectional Voltage Converter

$19.36 $38.72

211 sold

Categories: Electronic Components & Supplies, Active Components

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1 2 4 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino Electronic DIY 1 2 4 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino Electronic DIY

1 2 4 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino Electronic DIY

$1.85 $1.85

1040 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
52% off
1 2 4 8 Channel 5V/12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino 1 2 4 8 Channel 5V/12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

1 2 4 8 Channel 5V/12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

$21.27 $44.31

1873 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
49% off
DC 3.3V/5V Isolated TTL to RS485 Level Module Serial Port Auto-Reversing High-Speed 2Mbps Module DC 3.3V/5V Isolated TTL to RS485 Level Module Serial Port Auto-Reversing High-Speed 2Mbps Module

DC 3.3V/5V Isolated TTL to RS485 Level Module Serial Port Auto-Reversing High-Speed 2Mbps Module

$38.68 $77.35

835 sold

Categories: Electronic Components & Supplies, Active Components

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51% off
3pcs TXS0108E Module 8 Channel Logic Level Converter Bi-Directional High Speed Full Duplex Shifter 3.3V 5V TXS0108 jyjd

3pcs TXS0108E Module 8 Channel Logic Level Converter Bi-Directional High Speed Full Duplex Shifter 3.3V 5V TXS0108 jyjd

$25.81 $52.67

249 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
30% off
1 2 4 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino Electronic DIY 1 2 4 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino Electronic DIY

1 2 4 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino Electronic DIY

$10.26 $14.66

122 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
50% off
DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry

DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry

$20.88 $41.76

4207 sold

Categories: Electronic Components & Supplies, Active Components

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5PCS 10PCS KY-019 5V 1 Channel Relay Module Board High Level Trigger for Arduino PIC AVR ARM 5PCS 10PCS KY-019 5V 1 Channel Relay Module Board High Level Trigger for Arduino PIC AVR ARM

5PCS 10PCS KY-019 5V 1 Channel Relay Module Board High Level Trigger for Arduino PIC AVR ARM

$40.49 $40.49

188 sold

Categories: Electronic Components & Supplies, Active Components

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50% off
LM393 Voltage Comparator Module Signal Waveform Adjustable High Low Level/Load Drive Dual Channel 4.5-28V High Voltage Module LM393 Voltage Comparator Module Signal Waveform Adjustable High Low Level/Load Drive Dual Channel 4.5-28V High Voltage Module

LM393 Voltage Comparator Module Signal Waveform Adjustable High Low Level/Load Drive Dual Channel 4.5-28V High Voltage Module

$20.61 $41.22

528 sold

Categories: Electronic Components & Supplies, Active Components

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65% off
High/Low Level Trigger Relay Module 1/2/4/8 Channel 5V12V24V Home Intelligent Control Module With Optocoupler Isolation Output High/Low Level Trigger Relay Module 1/2/4/8 Channel 5V12V24V Home Intelligent Control Module With Optocoupler Isolation Output

High/Low Level Trigger Relay Module 1/2/4/8 Channel 5V12V24V Home Intelligent Control Module With Optocoupler Isolation Output

$22.40 $64.01

728 sold

Categories: Electronic Components & Supplies, Active Components

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50% off
High Quality Active / Passive Buzzer Module DC 3.3-5V For Arduino Smart Car DIY Kit Low Level Trigger Control Board Sound Sensor High Quality Active / Passive Buzzer Module DC 3.3-5V For Arduino Smart Car DIY Kit Low Level Trigger Control Board Sound Sensor

High Quality Active / Passive Buzzer Module DC 3.3-5V For Arduino Smart Car DIY Kit Low Level Trigger Control Board Sound Sensor

$16.82 $33.64

730 sold

Categories: Electronic Components & Supplies, Active Components

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52% off
DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry

DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry

$18.32 $38.16

1339 sold

Categories: Electronic Components & Supplies, Active Components

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2 channel Relay Module 5V 12V 24V High and Low Level Trigger Relay Control With Optocoupler Two Way Relays DC 5 V 12 V 24 V Volt 2 channel Relay Module 5V 12V 24V High and Low Level Trigger Relay Control With Optocoupler Two Way Relays DC 5 V 12 V 24 V Volt

2 channel Relay Module 5V 12V 24V High and Low Level Trigger Relay Control With Optocoupler Two Way Relays DC 5 V 12 V 24 V Volt

$2.23 $2.23

76 sold

Categories: Electronic Components & Supplies, Active Components

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51% off
1Pc 3.3V 5V 12V 24V 1 Channel Relay Module High Low Level Trigger Dual Optocoupler Isolated Relay Board 1Pc 3.3V 5V 12V 24V 1 Channel Relay Module High Low Level Trigger Dual Optocoupler Isolated Relay Board

1Pc 3.3V 5V 12V 24V 1 Channel Relay Module High Low Level Trigger Dual Optocoupler Isolated Relay Board

$25.96 $52.97

309 sold

Categories: Electronic Components & Supplies, Active Components

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67% off
1 Channel 5V / 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger For Arduino 1 Channel 5V / 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger For Arduino

1 Channel 5V / 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger For Arduino

$20.94 $63.44

94 sold

Categories: Electronic Components & Supplies, Active Components

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49% off
High-Power 600W MOS Tube FET Trigger Drive Module PWM Control High / Low Level Trigger Switch DC 4V-60V 5V 12V 24V High-Power 600W MOS Tube FET Trigger Drive Module PWM Control High / Low Level Trigger Switch DC 4V-60V 5V 12V 24V

High-Power 600W MOS Tube FET Trigger Drive Module PWM Control High / Low Level Trigger Switch DC 4V-60V 5V 12V 24V

$22.86 $45.71

440 sold

Categories: Electronic Components & Supplies, Active Components

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49% off
1/2/4/8 Channel Relay Module 5V/12V/24V with Optocoupler Isolation High/Low Level Dual Trigger for Arduino/PLC/MCU Control Board 1/2/4/8 Channel Relay Module 5V/12V/24V with Optocoupler Isolation High/Low Level Dual Trigger for Arduino/PLC/MCU Control Board

1/2/4/8 Channel Relay Module 5V/12V/24V with Optocoupler Isolation High/Low Level Dual Trigger for Arduino/PLC/MCU Control Board

$34.57 $69.13

89 sold

Categories: Electronic Components & Supplies, Active Components

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5pcs 12X12MM Big key module Big button module Light touch switch module with hat High level output for arduino or raspberry pi 3 5pcs 12X12MM Big key module Big button module Light touch switch module with hat High level output for arduino or raspberry pi 3

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