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Showing 37–72 of 1148 results

67% off
5V 1 2 4 6 Channel SSR AVR G3MB-202P 8 Way High Level Solid State Relay Module 240V 2A Output With Resistive Fuse for Arduino 5V 1 2 4 6 Channel SSR AVR G3MB-202P 8 Way High Level Solid State Relay Module 240V 2A Output With Resistive Fuse for Arduino

5V 1 2 4 6 Channel SSR AVR G3MB-202P 8 Way High Level Solid State Relay Module 240V 2A Output With Resistive Fuse for Arduino

$23.28$70.56

41 sold
50% off
LM393 3.5-24V Voltage Comparator Module High Level Output Analog Comparator Control With LED Indicator LM393 3.5-24V Voltage Comparator Module High Level Output Analog Comparator Control With LED Indicator

LM393 3.5-24V Voltage Comparator Module High Level Output Analog Comparator Control With LED Indicator

$21.49$42.99

68 sold
49% off
3PCS HX710B Pressure Sensor Module 40KPA Water Level Sensor Board High Precision 24-bit ADC for Water Air Flow Depth Measurement 3PCS HX710B Pressure Sensor Module 40KPA Water Level Sensor Board High Precision 24-bit ADC for Water Air Flow Depth Measurement

3PCS HX710B Pressure Sensor Module 40KPA Water Level Sensor Board High Precision 24-bit ADC for Water Air Flow Depth Measurement

$33.19$66.37

37 sold
68% off
1 2 4 8 Channel 5V/12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for 1 2 4 8 Channel 5V/12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for

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

$23.84$74.50

44 sold
Relay module 1 2 4 6 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino Relay module 1 2 4 6 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

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

$10.93$10.93

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

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

$1.62$1.62

32 sold
31% off
Relay Module 2 Channel 5V 12V 24V Board Shield With Optocoupler Isolation Support High and Low Level Trigger for Arduino Relay Module 2 Channel 5V 12V 24V Board Shield With Optocoupler Isolation Support High and Low Level Trigger for Arduino

Relay Module 2 Channel 5V 12V 24V Board Shield With Optocoupler Isolation Support High and Low Level Trigger for Arduino

$8.54$12.37

30 sold
52% off
5V 1‑Channel Relay Module With Optocoupler Isolation, High‑Level Trigger, MCU Expansion Board 5V 1‑Channel Relay Module With Optocoupler Isolation, High‑Level Trigger, MCU Expansion Board

5V 1‑Channel Relay Module With Optocoupler Isolation, High‑Level Trigger, MCU Expansion Board

$25.29$52.69

62 sold
51% off
5V 2 Channel DC 5V Relay Module High and Low Level Trigger with Optocoupler Isolation Relay Module for Arduino Relay 5V 2 Channel DC 5V Relay Module High and Low Level Trigger with Optocoupler Isolation Relay Module for Arduino Relay

5V 2 Channel DC 5V Relay Module High and Low Level Trigger with Optocoupler Isolation Relay Module for Arduino Relay

$27.77$56.67

36 sold
50% off
TXS0108E Logic Level Shifter Bi-Directional Module 3.3V 5V 8 Channel Logic Level Switching Shifter High Speed for Raspberry Pi TXS0108E Logic Level Shifter Bi-Directional Module 3.3V 5V 8 Channel Logic Level Switching Shifter High Speed for Raspberry Pi

TXS0108E Logic Level Shifter Bi-Directional Module 3.3V 5V 8 Channel Logic Level Switching Shifter High Speed for Raspberry Pi

$21.01$42.02

38 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

$20.70$41.41

29 sold
67% off
10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger for Arduino Raspberry pi ARM AVR 10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger for Arduino Raspberry pi ARM AVR

10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger for Arduino Raspberry pi ARM AVR

$63.83$193.43

65 sold
53% 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

$43.98$93.57

43 sold
3% off
UBS500-GM18N Ultrasonic Sensor M18 High Precision High Frequency Small Blind Spot Millimeter Level Detection Induction Switch UBS500-GM18N Ultrasonic Sensor M18 High Precision High Frequency Small Blind Spot Millimeter Level Detection Induction Switch

UBS500-GM18N Ultrasonic Sensor M18 High Precision High Frequency Small Blind Spot Millimeter Level Detection Induction Switch

$249.77$257.50

30 sold
51% off
1 2 4 8 Channel 5V 12V 24V DC Relay Module Solid State High Level SSR AVR DSP G3MB-202P Relay 250V 2 for Arduino Raspbery pi 1 2 4 8 Channel 5V 12V 24V DC Relay Module Solid State High Level SSR AVR DSP G3MB-202P Relay 250V 2 for Arduino Raspbery pi

1 2 4 8 Channel 5V 12V 24V DC Relay Module Solid State High Level SSR AVR DSP G3MB-202P Relay 250V 2 for Arduino Raspbery pi

$24.16$49.30

32 sold
6% off
Hi-link 24G Liquid Level Detection Radar Sensor Module HLK-LD2413 Non-Contact High Precision Ranging Sensor Module Radar Moudle Hi-link 24G Liquid Level Detection Radar Sensor Module HLK-LD2413 Non-Contact High Precision Ranging Sensor Module Radar Moudle

Hi-link 24G Liquid Level Detection Radar Sensor Module HLK-LD2413 Non-Contact High Precision Ranging Sensor Module Radar Moudle

$11.28$12.00

39 sold
51% 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

$31.53$64.35

31 sold
51% 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

$20.40$41.63

64 sold
31% off
3-5PCS High Quality Active/Passive Buzzer Module DC3.3-5V for Arduino Smart Car Kit Low Level Trigger Control Board Sound Sensor 3-5PCS High Quality Active/Passive Buzzer Module DC3.3-5V for Arduino Smart Car Kit Low Level Trigger Control Board Sound Sensor

3-5PCS High Quality Active/Passive Buzzer Module DC3.3-5V for Arduino Smart Car Kit Low Level Trigger Control Board Sound Sensor

$9.29$13.46

49 sold
53% off
1‑Channel 3‑5V High‑Level Trigger Relay Module with Cable Single Channel Power Switch Compatible with Arduino ESP32 Raspberry Pi 1‑Channel 3‑5V High‑Level Trigger Relay Module with Cable Single Channel Power Switch Compatible with Arduino ESP32 Raspberry Pi

1‑Channel 3‑5V High‑Level Trigger Relay Module with Cable Single Channel Power Switch Compatible with Arduino ESP32 Raspberry Pi

$30.52$64.93

37 sold
68% 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

$30.15$94.21

60 sold
16% off
1 2 6 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino 1 2 6 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

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

$0.84$1.00

38 sold
12% off
14mm high precision level sensor water shortage protection tank detection water level switch sensor water level Sensor 14mm high precision level sensor water shortage protection tank detection water level switch sensor water level Sensor

14mm high precision level sensor water shortage protection tank detection water level switch sensor water level Sensor

$3.08$3.50

57 sold
50% off
1 2 4 6 8 Channel Relay Module Board Shield with Optocouple High and Low Level Trigger for arduino Raspberry pi DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocouple High and Low Level Trigger for arduino Raspberry pi DC 5V 12V 24V

1 2 4 6 8 Channel Relay Module Board Shield with Optocouple High and Low Level Trigger for arduino Raspberry pi DC 5V 12V 24V

$22.54$45.09

69 sold
3% off
WITMOTION GNSS GPS-RTK Module UM982 High-precision Centimeter-level Differential UM980 Rover ZED-F9P Positioning Direction UM960 WITMOTION GNSS GPS-RTK Module UM982 High-precision Centimeter-level Differential UM980 Rover ZED-F9P Positioning Direction UM960

WITMOTION GNSS GPS-RTK Module UM982 High-precision Centimeter-level Differential UM980 Rover ZED-F9P Positioning Direction UM960

$33.36$34.11

43 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

$2.21$2.21

62 sold
53% off
10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger for Arduino Raspberry pi ARM AVR 10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger for Arduino Raspberry pi ARM AVR

10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger for Arduino Raspberry pi ARM AVR

$70.75$150.54

33 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

$21.35$64.71

43 sold
25% off
10Pcs/1pc Isolated TTL to RS485 Level Board Module Serial Automatic Reverse High Speed 2Mbps Half-duplex Communication Isolation 10Pcs/1pc Isolated TTL to RS485 Level Board Module Serial Automatic Reverse High Speed 2Mbps Half-duplex Communication Isolation

10Pcs/1pc Isolated TTL to RS485 Level Board Module Serial Automatic Reverse High Speed 2Mbps Half-duplex Communication Isolation

$2.92$3.89

36 sold
One 1 Channel Relay Module DC 5V 12V 24V High / Low Level Trigger Relay ModuleWith Optocoupler Red

One 1 Channel Relay Module DC 5V 12V 24V High / Low Level Trigger Relay ModuleWith Optocoupler Red

$10.51$10.51

38 sold
16% off
12V 5V 30A Two-way isolation relay module High/low level trigger 12V/5V 30A 1-Channel Relay Module+Electronic With Optocoupler 12V 5V 30A Two-way isolation relay module High/low level trigger 12V/5V 30A 1-Channel Relay Module+Electronic With Optocoupler

12V 5V 30A Two-way isolation relay module High/low level trigger 12V/5V 30A 1-Channel Relay Module+Electronic With Optocoupler

$1.39$1.65

61 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
52% 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

$25.89$53.93

40 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

73 sold
68% 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

$20.67$64.60

48 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

83 sold
67% off
5V 1 2 4 6 Channel SSR AVR G3MB-202P 8 Way High Level Solid State Relay Module 240V 2A Output With Resistive Fuse for Arduino 5V 1 2 4 6 Channel SSR AVR G3MB-202P 8 Way High Level Solid State Relay Module 240V 2A Output With Resistive Fuse for Arduino

5V 1 2 4 6 Channel SSR AVR G3MB-202P 8 Way High Level Solid State Relay Module 240V 2A Output With Resistive Fuse for Arduino

$23.28 $70.56

41 sold

Categories: Electronic Components & Supplies, Active Components

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50% off
LM393 3.5-24V Voltage Comparator Module High Level Output Analog Comparator Control With LED Indicator LM393 3.5-24V Voltage Comparator Module High Level Output Analog Comparator Control With LED Indicator

LM393 3.5-24V Voltage Comparator Module High Level Output Analog Comparator Control With LED Indicator

$21.49 $42.99

68 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
49% off
3PCS HX710B Pressure Sensor Module 40KPA Water Level Sensor Board High Precision 24-bit ADC for Water Air Flow Depth Measurement 3PCS HX710B Pressure Sensor Module 40KPA Water Level Sensor Board High Precision 24-bit ADC for Water Air Flow Depth Measurement

3PCS HX710B Pressure Sensor Module 40KPA Water Level Sensor Board High Precision 24-bit ADC for Water Air Flow Depth Measurement

$33.19 $66.37

37 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
68% off
1 2 4 8 Channel 5V/12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for 1 2 4 8 Channel 5V/12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for

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

$23.84 $74.50

44 sold

Categories: Electronic Components & Supplies, Active Components

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

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

$10.93 $10.93

30 sold

Categories: Electronic Components & Supplies, Active Components

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

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

$1.62 $1.62

32 sold

Categories: Electronic Components & Supplies, Active Components

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31% off
Relay Module 2 Channel 5V 12V 24V Board Shield With Optocoupler Isolation Support High and Low Level Trigger for Arduino Relay Module 2 Channel 5V 12V 24V Board Shield With Optocoupler Isolation Support High and Low Level Trigger for Arduino

Relay Module 2 Channel 5V 12V 24V Board Shield With Optocoupler Isolation Support High and Low Level Trigger for Arduino

$8.54 $12.37

30 sold

Categories: Electronic Components & Supplies, Active Components

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52% off
5V 1‑Channel Relay Module With Optocoupler Isolation, High‑Level Trigger, MCU Expansion Board 5V 1‑Channel Relay Module With Optocoupler Isolation, High‑Level Trigger, MCU Expansion Board

5V 1‑Channel Relay Module With Optocoupler Isolation, High‑Level Trigger, MCU Expansion Board

$25.29 $52.69

62 sold

Categories: Electronic Components & Supplies, Active Components

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51% off
5V 2 Channel DC 5V Relay Module High and Low Level Trigger with Optocoupler Isolation Relay Module for Arduino Relay 5V 2 Channel DC 5V Relay Module High and Low Level Trigger with Optocoupler Isolation Relay Module for Arduino Relay

5V 2 Channel DC 5V Relay Module High and Low Level Trigger with Optocoupler Isolation Relay Module for Arduino Relay

$27.77 $56.67

36 sold

Categories: Electronic Components & Supplies, Active Components

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50% off
TXS0108E Logic Level Shifter Bi-Directional Module 3.3V 5V 8 Channel Logic Level Switching Shifter High Speed for Raspberry Pi TXS0108E Logic Level Shifter Bi-Directional Module 3.3V 5V 8 Channel Logic Level Switching Shifter High Speed for Raspberry Pi

TXS0108E Logic Level Shifter Bi-Directional Module 3.3V 5V 8 Channel Logic Level Switching Shifter High Speed for Raspberry Pi

$21.01 $42.02

38 sold

Categories: Electronic Components & Supplies, Active Components

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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

$20.70 $41.41

29 sold

Categories: Electronic Components & Supplies, Active Components

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67% off
10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger for Arduino Raspberry pi ARM AVR 10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger for Arduino Raspberry pi ARM AVR

10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger for Arduino Raspberry pi ARM AVR

$63.83 $193.43

65 sold

Categories: Electronic Components & Supplies, Active Components

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53% 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

$43.98 $93.57

43 sold

Categories: Electronic Components & Supplies, Active Components

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3% off
UBS500-GM18N Ultrasonic Sensor M18 High Precision High Frequency Small Blind Spot Millimeter Level Detection Induction Switch UBS500-GM18N Ultrasonic Sensor M18 High Precision High Frequency Small Blind Spot Millimeter Level Detection Induction Switch

UBS500-GM18N Ultrasonic Sensor M18 High Precision High Frequency Small Blind Spot Millimeter Level Detection Induction Switch

$249.77 $257.50

30 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
51% off
1 2 4 8 Channel 5V 12V 24V DC Relay Module Solid State High Level SSR AVR DSP G3MB-202P Relay 250V 2 for Arduino Raspbery pi 1 2 4 8 Channel 5V 12V 24V DC Relay Module Solid State High Level SSR AVR DSP G3MB-202P Relay 250V 2 for Arduino Raspbery pi

1 2 4 8 Channel 5V 12V 24V DC Relay Module Solid State High Level SSR AVR DSP G3MB-202P Relay 250V 2 for Arduino Raspbery pi

$24.16 $49.30

32 sold

Categories: Electronic Components & Supplies, Active Components

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6% off
Hi-link 24G Liquid Level Detection Radar Sensor Module HLK-LD2413 Non-Contact High Precision Ranging Sensor Module Radar Moudle Hi-link 24G Liquid Level Detection Radar Sensor Module HLK-LD2413 Non-Contact High Precision Ranging Sensor Module Radar Moudle

Hi-link 24G Liquid Level Detection Radar Sensor Module HLK-LD2413 Non-Contact High Precision Ranging Sensor Module Radar Moudle

$11.28 $12.00

39 sold

Categories: Electronic Components & Supplies, Active Components

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51% 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

$31.53 $64.35

31 sold

Categories: Electronic Components & Supplies, Active Components

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51% 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

$20.40 $41.63

64 sold

Categories: Electronic Components & Supplies, Active Components

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31% off
3-5PCS High Quality Active/Passive Buzzer Module DC3.3-5V for Arduino Smart Car Kit Low Level Trigger Control Board Sound Sensor 3-5PCS High Quality Active/Passive Buzzer Module DC3.3-5V for Arduino Smart Car Kit Low Level Trigger Control Board Sound Sensor

3-5PCS High Quality Active/Passive Buzzer Module DC3.3-5V for Arduino Smart Car Kit Low Level Trigger Control Board Sound Sensor

$9.29 $13.46

49 sold

Categories: Electronic Components & Supplies, Active Components

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53% off
1‑Channel 3‑5V High‑Level Trigger Relay Module with Cable Single Channel Power Switch Compatible with Arduino ESP32 Raspberry Pi 1‑Channel 3‑5V High‑Level Trigger Relay Module with Cable Single Channel Power Switch Compatible with Arduino ESP32 Raspberry Pi

1‑Channel 3‑5V High‑Level Trigger Relay Module with Cable Single Channel Power Switch Compatible with Arduino ESP32 Raspberry Pi

$30.52 $64.93

37 sold

Categories: Electronic Components & Supplies, Active Components

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68% 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

$30.15 $94.21

60 sold

Categories: Electronic Components & Supplies, Active Components

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16% off
1 2 6 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino 1 2 6 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

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

$0.84 $1.00

38 sold

Categories: Electronic Components & Supplies, Active Components

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12% off
14mm high precision level sensor water shortage protection tank detection water level switch sensor water level Sensor 14mm high precision level sensor water shortage protection tank detection water level switch sensor water level Sensor

14mm high precision level sensor water shortage protection tank detection water level switch sensor water level Sensor

$3.08 $3.50

57 sold

Categories: Electronic Components & Supplies, Active Components

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50% off
1 2 4 6 8 Channel Relay Module Board Shield with Optocouple High and Low Level Trigger for arduino Raspberry pi DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocouple High and Low Level Trigger for arduino Raspberry pi DC 5V 12V 24V

1 2 4 6 8 Channel Relay Module Board Shield with Optocouple High and Low Level Trigger for arduino Raspberry pi DC 5V 12V 24V

$22.54 $45.09

69 sold

Categories: Electronic Components & Supplies, Active Components

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3% off
WITMOTION GNSS GPS-RTK Module UM982 High-precision Centimeter-level Differential UM980 Rover ZED-F9P Positioning Direction UM960 WITMOTION GNSS GPS-RTK Module UM982 High-precision Centimeter-level Differential UM980 Rover ZED-F9P Positioning Direction UM960

WITMOTION GNSS GPS-RTK Module UM982 High-precision Centimeter-level Differential UM980 Rover ZED-F9P Positioning Direction UM960

$33.36 $34.11

43 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

$2.21 $2.21

62 sold

Categories: Electronic Components & Supplies, Active Components

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53% off
10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger for Arduino Raspberry pi ARM AVR 10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger for Arduino Raspberry pi ARM AVR

10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger for Arduino Raspberry pi ARM AVR

$70.75 $150.54

33 sold

Categories: Electronic Components & Supplies, Active Components

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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

$21.35 $64.71

43 sold

Categories: Electronic Components & Supplies, Active Components

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25% off
10Pcs/1pc Isolated TTL to RS485 Level Board Module Serial Automatic Reverse High Speed 2Mbps Half-duplex Communication Isolation 10Pcs/1pc Isolated TTL to RS485 Level Board Module Serial Automatic Reverse High Speed 2Mbps Half-duplex Communication Isolation

10Pcs/1pc Isolated TTL to RS485 Level Board Module Serial Automatic Reverse High Speed 2Mbps Half-duplex Communication Isolation

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36 sold

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One 1 Channel Relay Module DC 5V 12V 24V High / Low Level Trigger Relay ModuleWith Optocoupler Red

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12V 5V 30A Two-way isolation relay module High/low level trigger 12V/5V 30A 1-Channel Relay Module+Electronic With Optocoupler 12V 5V 30A Two-way isolation relay module High/low level trigger 12V/5V 30A 1-Channel Relay Module+Electronic With Optocoupler

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$1.39 $1.65

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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

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$19.61 $39.22

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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

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$25.89 $53.93

40 sold

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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

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$9.90 $11.00

73 sold

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

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$20.67 $64.60

48 sold

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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

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$4.96 $4.96

83 sold

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