• VKDN ( Virtual Kingdom Delivery Network ) -> Vast Kingdoms, Diverse Nations: Unlocking Global Commerce

High Level

Filter by price

Sort By

Product tags

Showing 1–36 of 1144 results

50% 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

$21.12$42.25

102 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

$27.37$54.75

295 sold
50% 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

$20.53$41.06

1099 sold
50% off
5Pcs TXS0108E 8 Channel Logic Level Converter Bi-Directional High Speed Full Duplex Shifter 3.3V 5V for Arduino Raspberry Pi 5Pcs TXS0108E 8 Channel Logic Level Converter Bi-Directional High Speed Full Duplex Shifter 3.3V 5V for Arduino Raspberry Pi

5Pcs TXS0108E 8 Channel Logic Level Converter Bi-Directional High Speed Full Duplex Shifter 3.3V 5V for Arduino Raspberry Pi

$31.02$62.05

547 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

564 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

$28.32$59.00

432 sold
58% 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

$17.50$41.84

738 sold
4% off
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

$14.19$14.83

130 sold
68% 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

$22.52$70.36

300 sold
50% off
4MOS Transistor Level Conversion Module 3Vand5V 4 Channel Logic Level Shifter Bi-Directional High Speed IIC UART SPI for Arduino 4MOS Transistor Level Conversion Module 3Vand5V 4 Channel Logic Level Shifter Bi-Directional High Speed IIC UART SPI for Arduino

4MOS Transistor Level Conversion Module 3Vand5V 4 Channel Logic Level Shifter Bi-Directional High Speed IIC UART SPI for Arduino

$21.32$42.64

648 sold
50% 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

$24.05$48.10

201 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

541 sold
53% 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

$25.81$54.91

490 sold
68% 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

$20.38$63.70

348 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

237 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

1045 sold
50% 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

$38.67$77.35

860 sold
52% 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

$26.02$54.20

253 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

121 sold
5% off
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

$38.08$40.49

177 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

$21.01$42.02

559 sold
68% 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

$20.47$64.01

745 sold
67% 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

$16.90$51.22

763 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

$19.08$38.16

1390 sold
52% 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

$26.16$54.51

290 sold
50% 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

$22.85$45.71

456 sold
50% 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

$34.56$69.13

84 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

134 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

81 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

$21.76$43.52

1091 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

185 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

251 sold
10% off
5pcs 6N137 High speed Optocoupler isolation module Signal level conversion 3.3V 5V 12V 24V NPN optocoupler isolation 200KHz 5pcs 6N137 High speed Optocoupler isolation module Signal level conversion 3.3V 5V 12V 24V NPN optocoupler isolation 200KHz

5pcs 6N137 High speed Optocoupler isolation module Signal level conversion 3.3V 5V 12V 24V NPN optocoupler isolation 200KHz

$9.90$11.00

74 sold
31% 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

$10.91$15.81

1255 sold
58% 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

$30.79$73.59

85 sold
Touchless Contactless Capacitive 5-24V Water Sensor Liquid Level Sensors Switch with High Precision and Stability Touchless Contactless Capacitive 5-24V Water Sensor Liquid Level Sensors Switch with High Precision and Stability

Touchless Contactless Capacitive 5-24V Water Sensor Liquid Level Sensors Switch with High Precision and Stability

$4.96$4.96

84 sold
50% 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

$21.12 $42.25

102 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

$27.37 $54.75

295 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
50% 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

$20.53 $41.06

1099 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
50% off
5Pcs TXS0108E 8 Channel Logic Level Converter Bi-Directional High Speed Full Duplex Shifter 3.3V 5V for Arduino Raspberry Pi 5Pcs TXS0108E 8 Channel Logic Level Converter Bi-Directional High Speed Full Duplex Shifter 3.3V 5V for Arduino Raspberry Pi

5Pcs TXS0108E 8 Channel Logic Level Converter Bi-Directional High Speed Full Duplex Shifter 3.3V 5V for Arduino Raspberry Pi

$31.02 $62.05

547 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
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

564 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

$28.32 $59.00

432 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
58% 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

$17.50 $41.84

738 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
4% off
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

$14.19 $14.83

130 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
68% 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

$22.52 $70.36

300 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
50% off
4MOS Transistor Level Conversion Module 3Vand5V 4 Channel Logic Level Shifter Bi-Directional High Speed IIC UART SPI for Arduino 4MOS Transistor Level Conversion Module 3Vand5V 4 Channel Logic Level Shifter Bi-Directional High Speed IIC UART SPI for Arduino

4MOS Transistor Level Conversion Module 3Vand5V 4 Channel Logic Level Shifter Bi-Directional High Speed IIC UART SPI for Arduino

$21.32 $42.64

648 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
50% 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

$24.05 $48.10

201 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
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

541 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
53% 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

$25.81 $54.91

490 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
68% 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

$20.38 $63.70

348 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
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

237 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
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

1045 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
50% 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

$38.67 $77.35

860 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
52% 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

$26.02 $54.20

253 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

121 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
5% off
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

$38.08 $40.49

177 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
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

$21.01 $42.02

559 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
68% 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

$20.47 $64.01

745 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
67% 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

$16.90 $51.22

763 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

$19.08 $38.16

1390 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
52% 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

$26.16 $54.51

290 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
50% 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

$22.85 $45.71

456 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
50% 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

$34.56 $69.13

84 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
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

134 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
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

81 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
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

$21.76 $43.52

1091 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
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

185 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
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

251 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
10% off
5pcs 6N137 High speed Optocoupler isolation module Signal level conversion 3.3V 5V 12V 24V NPN optocoupler isolation 200KHz 5pcs 6N137 High speed Optocoupler isolation module Signal level conversion 3.3V 5V 12V 24V NPN optocoupler isolation 200KHz

5pcs 6N137 High speed Optocoupler isolation module Signal level conversion 3.3V 5V 12V 24V NPN optocoupler isolation 200KHz

$9.90 $11.00

74 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
31% 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

$10.91 $15.81

1255 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
58% 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

$30.79 $73.59

85 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
Touchless Contactless Capacitive 5-24V Water Sensor Liquid Level Sensors Switch with High Precision and Stability Touchless Contactless Capacitive 5-24V Water Sensor Liquid Level Sensors Switch with High Precision and Stability

Touchless Contactless Capacitive 5-24V Water Sensor Liquid Level Sensors Switch with High Precision and Stability

$4.96 $4.96

84 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now