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30% off
10pcs/1pc TXS0108E 8 Channel Logic Level Bi-directional Converter Module 3.3V 5V TXB0108 Mutual Convert Module TXS0108 10pcs/1pc TXS0108E 8 Channel Logic Level Bi-directional Converter Module 3.3V 5V TXB0108 Mutual Convert Module TXS0108

10pcs/1pc TXS0108E 8 Channel Logic Level Bi-directional Converter Module 3.3V 5V TXB0108 Mutual Convert Module TXS0108

$0.49$0.70

28 sold
3% off
1 Channel Relay Module 5V/12V Low Level Trigger Interface Board Shield for Arduino DIY Kit Electronic Component 1 Channel Relay Module 5V/12V Low Level Trigger Interface Board Shield for Arduino DIY Kit Electronic Component

1 Channel Relay Module 5V/12V Low Level Trigger Interface Board Shield for Arduino DIY Kit Electronic Component

$2.12$2.20

51% 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

$20.94$42.74

7 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

$26.58$53.16

308 sold
2pcs DC 5V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger 2pcs DC 5V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger

2pcs DC 5V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger

$1.30$1.30

2 sold
7% off
XKC-Y26L 3.3V Low Power Consumption Non-contact Water Level Sensor,Arduino MCU Compatible Liquid Sensor Level Switch XKC-Y26L 3.3V Low Power Consumption Non-contact Water Level Sensor,Arduino MCU Compatible Liquid Sensor Level Switch

XKC-Y26L 3.3V Low Power Consumption Non-contact Water Level Sensor,Arduino MCU Compatible Liquid Sensor Level Switch

$46.74$50.35

56 sold
30% off
10pcs/1pc 1-4S Lithium Battery Level Indicator Detection Display Module 1S/2S/3S/4S 4S Electric Vehicle Power Tester Li-ion 10pcs/1pc 1-4S Lithium Battery Level Indicator Detection Display Module 1S/2S/3S/4S 4S Electric Vehicle Power Tester Li-ion

10pcs/1pc 1-4S Lithium Battery Level Indicator Detection Display Module 1S/2S/3S/4S 4S Electric Vehicle Power Tester Li-ion

$0.90$1.29

47 sold
10% off
BS 8 Channel 5V Low Level SSR Relay Module G3MB-202P Solid State Switch Board for Arduino AVR DSP BS 8 Channel 5V Low Level SSR Relay Module G3MB-202P Solid State Switch Board for Arduino AVR DSP

BS 8 Channel 5V Low Level SSR Relay Module G3MB-202P Solid State Switch Board for Arduino AVR DSP

$52.88$58.76

2 sold
53% off
Mini Battery Level Indicator Module, 1S, 2S, 3S, 4S Series Battery Meter, Lithium Battery Percentage Display Module Mini Battery Level Indicator Module, 1S, 2S, 3S, 4S Series Battery Meter, Lithium Battery Percentage Display Module

Mini Battery Level Indicator Module, 1S, 2S, 3S, 4S Series Battery Meter, Lithium Battery Percentage Display Module

$25.75$54.78

56 sold
59% off
Ultrasound Ultrasonic Sensor Module with Relay Proximity Switch Output High Low Level ON/OFF Range 22-600cm Water-Proof IP67 Ultrasound Ultrasonic Sensor Module with Relay Proximity Switch Output High Low Level ON/OFF Range 22-600cm Water-Proof IP67

Ultrasound Ultrasonic Sensor Module with Relay Proximity Switch Output High Low Level ON/OFF Range 22-600cm Water-Proof IP67

$194.26$473.80

17 sold
25% off
10pcs/1pc ZY-MAX485 ZY-SP485 TTL to RS485 Communication Module Microcontroller Level Conversion Serial Port Module RS-485 10pcs/1pc ZY-MAX485 ZY-SP485 TTL to RS485 Communication Module Microcontroller Level Conversion Serial Port Module RS-485

10pcs/1pc ZY-MAX485 ZY-SP485 TTL to RS485 Communication Module Microcontroller Level Conversion Serial Port Module RS-485

$0.91$1.21

1 sold
51% off
0-9999 DC 4-25V Digital Counter Module: LED Display with Low-Level Switching & Power-Off Memory Function 0-9999 DC 4-25V Digital Counter Module: LED Display with Low-Level Switching & Power-Off Memory Function

0-9999 DC 4-25V Digital Counter Module: LED Display with Low-Level Switching & Power-Off Memory Function

$28.07$57.29

5 sold
18% off
Liquid Level Controller Module Water Level Detection Sensor Board 9V 12V AC DC High Current Relay Control Pump Low Power Liquid Level Controller Module Water Level Detection Sensor Board 9V 12V AC DC High Current Relay Control Pump Low Power

Liquid Level Controller Module Water Level Detection Sensor Board 9V 12V AC DC High Current Relay Control Pump Low Power

$11.89$14.50

1 sold
29% off
Mini Battery Level Indicator Module With Smart Button For 1-4S Lithium Battery Accurate Percentage Display Low Power Consumption Mini Battery Level Indicator Module With Smart Button For 1-4S Lithium Battery Accurate Percentage Display Low Power Consumption

Mini Battery Level Indicator Module With Smart Button For 1-4S Lithium Battery Accurate Percentage Display Low Power Consumption

$11.14$15.69

67% 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

$19.95$60.46

2 sold
51% off
5V 9V 12V 24V One 1 Channel Relay Module Board Shield With optocoupler Support High and Low Level Trigger For Arduino 5V 9V 12V 24V One 1 Channel Relay Module Board Shield With optocoupler Support High and Low Level Trigger For Arduino

5V 9V 12V 24V One 1 Channel Relay Module Board Shield With optocoupler Support High and Low Level Trigger For Arduino

$25.29$51.62

1 sold
52% off
Traffic Light Module LED Red Green Yellow 3.3V 5V Low Level Trigger Control For Arduino ESP32 Raspberry Pi Microbit DIY Traffic Light Module LED Red Green Yellow 3.3V 5V Low Level Trigger Control For Arduino ESP32 Raspberry Pi Microbit DIY

Traffic Light Module LED Red Green Yellow 3.3V 5V Low Level Trigger Control For Arduino ESP32 Raspberry Pi Microbit DIY

$32.23$67.14

7 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

$22.64$45.28

4 sold
13% off
10PCS/Lot IS0103 Laser receiver tube-to-tube (non-modem) Normal high/low level IS0103/IS0203 Optional 10PCS/Lot IS0103 Laser receiver tube-to-tube (non-modem) Normal high/low level IS0103/IS0203 Optional

10PCS/Lot IS0103 Laser receiver tube-to-tube (non-modem) Normal high/low level IS0103/IS0203 Optional

$31.36$36.05

2 sold
10% off
1PCS DC 5V 12V 24V 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry Pi 1PCS DC 5V 12V 24V 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry Pi

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

$8.01$8.99

5 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

$20.40$40.80

604 sold
2% off
TD-22 12V Auto Car Audio Converter RCA Stereo Converter High To Low Adjustable Frequency Line Speaker Level Converter Adapter TD-22 12V Auto Car Audio Converter RCA Stereo Converter High To Low Adjustable Frequency Line Speaker Level Converter Adapter

TD-22 12V Auto Car Audio Converter RCA Stereo Converter High To Low Adjustable Frequency Line Speaker Level Converter Adapter

$30.72$31.65

18 sold
Non-Contact Water Level Detector Sensor Module Touch Switch Liquid Level Sensor High And Low Level NPN Output Level Detection Non-Contact Water Level Detector Sensor Module Touch Switch Liquid Level Sensor High And Low Level NPN Output Level Detection

Non-Contact Water Level Detector Sensor Module Touch Switch Liquid Level Sensor High And Low Level NPN Output Level Detection

$20.78$20.78

3 sold
54% off
MP3 WAV Mono Voice Playback Module Low-level Trigger GND DY-HL50T 60W Class D Power Amplifier TF Card USB DC 9V-24V MP3 WAV Mono Voice Playback Module Low-level Trigger GND DY-HL50T 60W Class D Power Amplifier TF Card USB DC 9V-24V

MP3 WAV Mono Voice Playback Module Low-level Trigger GND DY-HL50T 60W Class D Power Amplifier TF Card USB DC 9V-24V

$8.77$19.06

6 sold
5Pcs TC7W04FK W04 W 04 VSSOP8 Low Level 5.2mA, High Level -5.2mA, 8p Inverter IC 5Pcs TC7W04FK W04 W 04 VSSOP8 Low Level 5.2mA, High Level -5.2mA, 8p Inverter IC

5Pcs TC7W04FK W04 W 04 VSSOP8 Low Level 5.2mA, High Level -5.2mA, 8p Inverter IC

$5.02$5.02

1 sold
50% off
Mini Battery Level Indicator Module, 1S, 2S, 3S, 4S Series Battery Meter, Lithium Battery Percentage Display Module Mini Battery Level Indicator Module, 1S, 2S, 3S, 4S Series Battery Meter, Lithium Battery Percentage Display Module

Mini Battery Level Indicator Module, 1S, 2S, 3S, 4S Series Battery Meter, Lithium Battery Percentage Display Module

$25.17$50.34

426 sold
30% off
Universal 1-Channel Relay Control Board – 5V/12V/24V Low-Level Trigger Module for Arduino, ARM, AVR MCUs (AC/DC 220V Support) Universal 1-Channel Relay Control Board – 5V/12V/24V Low-Level Trigger Module for Arduino, ARM, AVR MCUs (AC/DC 220V Support)

Universal 1-Channel Relay Control Board – 5V/12V/24V Low-Level Trigger Module for Arduino, ARM, AVR MCUs (AC/DC 220V Support)

$6.85$9.78

2 sold
4% off
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

$2.10$2.21

35 sold
50% off
DC 5V 12V 24V 1 Channel Relay Module Board Low Level Trigger DC 5V 12V 24V 1 Channel Relay Module Board Low Level Trigger

DC 5V 12V 24V 1 Channel Relay Module Board Low Level Trigger

$20.36$40.72

357 sold
1pcs SLA-05VDC-SL-C 12V 30A 1 2 4-Channel Relay Module+Electronic With Optocoupler isolation relay module High/low level trigger 1pcs SLA-05VDC-SL-C 12V 30A 1 2 4-Channel Relay Module+Electronic With Optocoupler isolation relay module High/low level trigger

1pcs SLA-05VDC-SL-C 12V 30A 1 2 4-Channel Relay Module+Electronic With Optocoupler isolation relay module High/low level trigger

$12.66$12.66

2 sold
49% off
1PCS 5V Relay 1 2 4 8 Channel Low Level Solid State Relay Module 240V 2A for Arduino 1PCS 5V Relay 1 2 4 8 Channel Low Level Solid State Relay Module 240V 2A for Arduino

1PCS 5V Relay 1 2 4 8 Channel Low Level Solid State Relay Module 240V 2A for Arduino

$31.46$62.91

5 sold
50% off
1pcs/lot 1/2/4/8 Channel 5V DC Relay Module Solid State Low Level G3MB-202P Relay SSR AVR DSP for arduino Diy Kit 1pcs/lot 1/2/4/8 Channel 5V DC Relay Module Solid State Low Level G3MB-202P Relay SSR AVR DSP for arduino Diy Kit

1pcs/lot 1/2/4/8 Channel 5V DC Relay Module Solid State Low Level G3MB-202P Relay SSR AVR DSP for arduino Diy Kit

$45.68$91.36

10 sold
25% off
5Pcs/1pc CH9120 Network Serial Port to Ethernet Module XL9120 Single Computer Transparent Transmission TCP/IP UDP CLIENT SERVER 5Pcs/1pc CH9120 Network Serial Port to Ethernet Module XL9120 Single Computer Transparent Transmission TCP/IP UDP CLIENT SERVER

5Pcs/1pc CH9120 Network Serial Port to Ethernet Module XL9120 Single Computer Transparent Transmission TCP/IP UDP CLIENT SERVER

$2.19$2.92

8 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

$33.56$67.12

75 sold
30% off
2pcs/1pc RS232 to RS485 Bidirectional Converter Level Communication Protocol Serial Port Conversion Board Module 2pcs/1pc RS232 to RS485 Bidirectional Converter Level Communication Protocol Serial Port Conversion Board Module

2pcs/1pc RS232 to RS485 Bidirectional Converter Level Communication Protocol Serial Port Conversion Board Module

$3.24$4.63

30 sold
3% off
2 Channel New 2 Channel Relay Module Relay Expansion Board 5V/12V Low Level Triggered 2-way Relay Module 2 Channel New 2 Channel Relay Module Relay Expansion Board 5V/12V Low Level Triggered 2-way Relay Module

2 Channel New 2 Channel Relay Module Relay Expansion Board 5V/12V Low Level Triggered 2-way Relay Module

$2.19$2.27

30% off
10pcs/1pc TXS0108E 8 Channel Logic Level Bi-directional Converter Module 3.3V 5V TXB0108 Mutual Convert Module TXS0108 10pcs/1pc TXS0108E 8 Channel Logic Level Bi-directional Converter Module 3.3V 5V TXB0108 Mutual Convert Module TXS0108

10pcs/1pc TXS0108E 8 Channel Logic Level Bi-directional Converter Module 3.3V 5V TXB0108 Mutual Convert Module TXS0108

$0.49 $0.70

28 sold

Categories: Electronic Components & Supplies, Active Components

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3% off
1 Channel Relay Module 5V/12V Low Level Trigger Interface Board Shield for Arduino DIY Kit Electronic Component 1 Channel Relay Module 5V/12V Low Level Trigger Interface Board Shield for Arduino DIY Kit Electronic Component

1 Channel Relay Module 5V/12V Low Level Trigger Interface Board Shield for Arduino DIY Kit Electronic Component

$2.12 $2.20

Categories: Electronic Components & Supplies, Active Components

Buy Now
51% 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

$20.94 $42.74

7 sold

Categories: Electronic Components & Supplies, Active Components

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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

$26.58 $53.16

308 sold

Categories: Electronic Components & Supplies, Active Components

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2pcs DC 5V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger 2pcs DC 5V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger

2pcs DC 5V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger

$1.30 $1.30

2 sold

Categories: Electronic Components & Supplies, Active Components

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7% off
XKC-Y26L 3.3V Low Power Consumption Non-contact Water Level Sensor,Arduino MCU Compatible Liquid Sensor Level Switch XKC-Y26L 3.3V Low Power Consumption Non-contact Water Level Sensor,Arduino MCU Compatible Liquid Sensor Level Switch

XKC-Y26L 3.3V Low Power Consumption Non-contact Water Level Sensor,Arduino MCU Compatible Liquid Sensor Level Switch

$46.74 $50.35

56 sold

Categories: Electronic Components & Supplies, Active Components

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30% off
10pcs/1pc 1-4S Lithium Battery Level Indicator Detection Display Module 1S/2S/3S/4S 4S Electric Vehicle Power Tester Li-ion 10pcs/1pc 1-4S Lithium Battery Level Indicator Detection Display Module 1S/2S/3S/4S 4S Electric Vehicle Power Tester Li-ion

10pcs/1pc 1-4S Lithium Battery Level Indicator Detection Display Module 1S/2S/3S/4S 4S Electric Vehicle Power Tester Li-ion

$0.90 $1.29

47 sold

Categories: Electronic Components & Supplies, Active Components

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10% off
BS 8 Channel 5V Low Level SSR Relay Module G3MB-202P Solid State Switch Board for Arduino AVR DSP BS 8 Channel 5V Low Level SSR Relay Module G3MB-202P Solid State Switch Board for Arduino AVR DSP

BS 8 Channel 5V Low Level SSR Relay Module G3MB-202P Solid State Switch Board for Arduino AVR DSP

$52.88 $58.76

2 sold

Categories: Electronic Components & Supplies, Active Components

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53% off
Mini Battery Level Indicator Module, 1S, 2S, 3S, 4S Series Battery Meter, Lithium Battery Percentage Display Module Mini Battery Level Indicator Module, 1S, 2S, 3S, 4S Series Battery Meter, Lithium Battery Percentage Display Module

Mini Battery Level Indicator Module, 1S, 2S, 3S, 4S Series Battery Meter, Lithium Battery Percentage Display Module

$25.75 $54.78

56 sold

Categories: Electronic Components & Supplies, Active Components

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59% off
Ultrasound Ultrasonic Sensor Module with Relay Proximity Switch Output High Low Level ON/OFF Range 22-600cm Water-Proof IP67 Ultrasound Ultrasonic Sensor Module with Relay Proximity Switch Output High Low Level ON/OFF Range 22-600cm Water-Proof IP67

Ultrasound Ultrasonic Sensor Module with Relay Proximity Switch Output High Low Level ON/OFF Range 22-600cm Water-Proof IP67

$194.26 $473.80

17 sold

Categories: Electronic Components & Supplies, Active Components

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25% off
10pcs/1pc ZY-MAX485 ZY-SP485 TTL to RS485 Communication Module Microcontroller Level Conversion Serial Port Module RS-485 10pcs/1pc ZY-MAX485 ZY-SP485 TTL to RS485 Communication Module Microcontroller Level Conversion Serial Port Module RS-485

10pcs/1pc ZY-MAX485 ZY-SP485 TTL to RS485 Communication Module Microcontroller Level Conversion Serial Port Module RS-485

$0.91 $1.21

1 sold

Categories: Electronic Components & Supplies, Active Components

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51% off
0-9999 DC 4-25V Digital Counter Module: LED Display with Low-Level Switching & Power-Off Memory Function 0-9999 DC 4-25V Digital Counter Module: LED Display with Low-Level Switching & Power-Off Memory Function

0-9999 DC 4-25V Digital Counter Module: LED Display with Low-Level Switching & Power-Off Memory Function

$28.07 $57.29

5 sold

Categories: Electronic Components & Supplies, Active Components

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18% off
Liquid Level Controller Module Water Level Detection Sensor Board 9V 12V AC DC High Current Relay Control Pump Low Power Liquid Level Controller Module Water Level Detection Sensor Board 9V 12V AC DC High Current Relay Control Pump Low Power

Liquid Level Controller Module Water Level Detection Sensor Board 9V 12V AC DC High Current Relay Control Pump Low Power

$11.89 $14.50

1 sold

Categories: Electronic Components & Supplies, Active Components

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29% off
Mini Battery Level Indicator Module With Smart Button For 1-4S Lithium Battery Accurate Percentage Display Low Power Consumption Mini Battery Level Indicator Module With Smart Button For 1-4S Lithium Battery Accurate Percentage Display Low Power Consumption

Mini Battery Level Indicator Module With Smart Button For 1-4S Lithium Battery Accurate Percentage Display Low Power Consumption

$11.14 $15.69

Categories: Electronic Components & Supplies, Active Components

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67% 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

$19.95 $60.46

2 sold

Categories: Electronic Components & Supplies, Active Components

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51% off
5V 9V 12V 24V One 1 Channel Relay Module Board Shield With optocoupler Support High and Low Level Trigger For Arduino 5V 9V 12V 24V One 1 Channel Relay Module Board Shield With optocoupler Support High and Low Level Trigger For Arduino

5V 9V 12V 24V One 1 Channel Relay Module Board Shield With optocoupler Support High and Low Level Trigger For Arduino

$25.29 $51.62

1 sold

Categories: Electronic Components & Supplies, Active Components

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52% off
Traffic Light Module LED Red Green Yellow 3.3V 5V Low Level Trigger Control For Arduino ESP32 Raspberry Pi Microbit DIY Traffic Light Module LED Red Green Yellow 3.3V 5V Low Level Trigger Control For Arduino ESP32 Raspberry Pi Microbit DIY

Traffic Light Module LED Red Green Yellow 3.3V 5V Low Level Trigger Control For Arduino ESP32 Raspberry Pi Microbit DIY

$32.23 $67.14

7 sold

Categories: Electronic Components & Supplies, Active Components

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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

$22.64 $45.28

4 sold

Categories: Electronic Components & Supplies, Active Components

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13% off
10PCS/Lot IS0103 Laser receiver tube-to-tube (non-modem) Normal high/low level IS0103/IS0203 Optional 10PCS/Lot IS0103 Laser receiver tube-to-tube (non-modem) Normal high/low level IS0103/IS0203 Optional

10PCS/Lot IS0103 Laser receiver tube-to-tube (non-modem) Normal high/low level IS0103/IS0203 Optional

$31.36 $36.05

2 sold

Categories: Electronic Components & Supplies, Active Components

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10% off
1PCS DC 5V 12V 24V 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry Pi 1PCS DC 5V 12V 24V 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry Pi

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

$8.01 $8.99

5 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

$20.40 $40.80

604 sold

Categories: Electronic Components & Supplies, Active Components

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2% off
TD-22 12V Auto Car Audio Converter RCA Stereo Converter High To Low Adjustable Frequency Line Speaker Level Converter Adapter TD-22 12V Auto Car Audio Converter RCA Stereo Converter High To Low Adjustable Frequency Line Speaker Level Converter Adapter

TD-22 12V Auto Car Audio Converter RCA Stereo Converter High To Low Adjustable Frequency Line Speaker Level Converter Adapter

$30.72 $31.65

18 sold

Categories: Electronic Components & Supplies, Active Components

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Non-Contact Water Level Detector Sensor Module Touch Switch Liquid Level Sensor High And Low Level NPN Output Level Detection Non-Contact Water Level Detector Sensor Module Touch Switch Liquid Level Sensor High And Low Level NPN Output Level Detection

Non-Contact Water Level Detector Sensor Module Touch Switch Liquid Level Sensor High And Low Level NPN Output Level Detection

$20.78 $20.78

3 sold

Categories: Electronic Components & Supplies, Active Components

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54% off
MP3 WAV Mono Voice Playback Module Low-level Trigger GND DY-HL50T 60W Class D Power Amplifier TF Card USB DC 9V-24V MP3 WAV Mono Voice Playback Module Low-level Trigger GND DY-HL50T 60W Class D Power Amplifier TF Card USB DC 9V-24V

MP3 WAV Mono Voice Playback Module Low-level Trigger GND DY-HL50T 60W Class D Power Amplifier TF Card USB DC 9V-24V

$8.77 $19.06

6 sold

Categories: Electronic Components & Supplies, Active Components

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5Pcs TC7W04FK W04 W 04 VSSOP8 Low Level 5.2mA, High Level -5.2mA, 8p Inverter IC 5Pcs TC7W04FK W04 W 04 VSSOP8 Low Level 5.2mA, High Level -5.2mA, 8p Inverter IC

5Pcs TC7W04FK W04 W 04 VSSOP8 Low Level 5.2mA, High Level -5.2mA, 8p Inverter IC

$5.02 $5.02

1 sold

Categories: Electronic Components & Supplies, Active Components

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50% off
Mini Battery Level Indicator Module, 1S, 2S, 3S, 4S Series Battery Meter, Lithium Battery Percentage Display Module Mini Battery Level Indicator Module, 1S, 2S, 3S, 4S Series Battery Meter, Lithium Battery Percentage Display Module

Mini Battery Level Indicator Module, 1S, 2S, 3S, 4S Series Battery Meter, Lithium Battery Percentage Display Module

$25.17 $50.34

426 sold

Categories: Electronic Components & Supplies, Active Components

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30% off
Universal 1-Channel Relay Control Board – 5V/12V/24V Low-Level Trigger Module for Arduino, ARM, AVR MCUs (AC/DC 220V Support) Universal 1-Channel Relay Control Board – 5V/12V/24V Low-Level Trigger Module for Arduino, ARM, AVR MCUs (AC/DC 220V Support)

Universal 1-Channel Relay Control Board – 5V/12V/24V Low-Level Trigger Module for Arduino, ARM, AVR MCUs (AC/DC 220V Support)

$6.85 $9.78

2 sold

Categories: Electronic Components & Supplies, Active Components

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4% off
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

$2.10 $2.21

35 sold

Categories: Electronic Components & Supplies, Active Components

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50% off
DC 5V 12V 24V 1 Channel Relay Module Board Low Level Trigger DC 5V 12V 24V 1 Channel Relay Module Board Low Level Trigger

DC 5V 12V 24V 1 Channel Relay Module Board Low Level Trigger

$20.36 $40.72

357 sold

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