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33% off
8 Channel Optocoupler Isolation Module Signal Voltage Converter PNP NPN Low High Level Output AC 110V 220V DC 3.3V 5V 12V 24V 8 Channel Optocoupler Isolation Module Signal Voltage Converter PNP NPN Low High Level Output AC 110V 220V DC 3.3V 5V 12V 24V

8 Channel Optocoupler Isolation Module Signal Voltage Converter PNP NPN Low High Level Output AC 110V 220V DC 3.3V 5V 12V 24V

$3.55$5.30

17 sold
8% 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

$2.93$3.19

29 sold
5V 12V 1 2 4 6 8 channel relay module with optocoupler. Relay Output 1 2 4 6 8 way relay module for arduino In stock 5V 12V 1 2 4 6 8 channel relay module with optocoupler. Relay Output 1 2 4 6 8 way relay module for arduino In stock

5V 12V 1 2 4 6 8 channel relay module with optocoupler. Relay Output 1 2 4 6 8 way relay module for arduino In stock

$1.40$1.40

36 sold
52% off
5V SSR Solid State Relay Module G3MB-202P 1/2/4/6/8 Channel High Low Level Trigger 240V 2A With Fuse For Arduino 5V SSR Solid State Relay Module G3MB-202P 1/2/4/6/8 Channel High Low Level Trigger 240V 2A With Fuse For Arduino

5V SSR Solid State Relay Module G3MB-202P 1/2/4/6/8 Channel High Low Level Trigger 240V 2A With Fuse For Arduino

$23.26$48.93

16% off
30W Industrial grade voice broadcast prompt module high and low level trigger one-to-one playboard MP3 prompter 30W Industrial grade voice broadcast prompt module high and low level trigger one-to-one playboard MP3 prompter

30W Industrial grade voice broadcast prompt module high and low level trigger one-to-one playboard MP3 prompter

$5.70$6.78

3 sold
53% 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

$22.19$47.85

261 sold
25% off
Infrared Liquid Water Level Sensor Level Sensor Monitoring Switch Inspection Detection Module DC 5V Precision IR Controller Infrared Liquid Water Level Sensor Level Sensor Monitoring Switch Inspection Detection Module DC 5V Precision IR Controller

Infrared Liquid Water Level Sensor Level Sensor Monitoring Switch Inspection Detection Module DC 5V Precision IR Controller

$10.26$13.68

8 sold
10% off
HM-10 BLE 4.0 (Bluetooth Low Energy) UART Transparent Wireless Module-Bi-Directional 3.3V/5V Logic Level Shifter for Arduino HM-10 BLE 4.0 (Bluetooth Low Energy) UART Transparent Wireless Module-Bi-Directional 3.3V/5V Logic Level Shifter for Arduino

HM-10 BLE 4.0 (Bluetooth Low Energy) UART Transparent Wireless Module-Bi-Directional 3.3V/5V Logic Level Shifter for Arduino

$4.00$4.45

16 sold
67% off
1 2 4 6 8 Channel DC 5V 12V Relay Module with Optocoupler Low Level Trigger 1 Way Expansion Board For Arduino Raspberry Pi 1 2 4 6 8 Channel DC 5V 12V Relay Module with Optocoupler Low Level Trigger 1 Way Expansion Board For Arduino Raspberry Pi

1 2 4 6 8 Channel DC 5V 12V Relay Module with Optocoupler Low Level Trigger 1 Way Expansion Board For Arduino Raspberry Pi

$21.30$64.56

493 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

$22.46$70.20

286 sold
16% off
WAVGAT 2 way switch self-lock interlock 3-in-1 relay module 5V 12V 24V high and low level trigger WAVGAT 2 way switch self-lock interlock 3-in-1 relay module 5V 12V 24V high and low level trigger

WAVGAT 2 way switch self-lock interlock 3-in-1 relay module 5V 12V 24V high and low level trigger

$2.23$2.65

2 sold
4% off
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

$1.54$1.62

31 sold
27% off
2pcs/1pc Non contact water level detection sensor module NPN Output mode touch switch liquid sensor Response time 500mS 2pcs/1pc Non contact water level detection sensor module NPN Output mode touch switch liquid sensor Response time 500mS

2pcs/1pc Non contact water level detection sensor module NPN Output mode touch switch liquid sensor Response time 500mS

$1.53$2.10

1 sold
10% off
1Road 2Road 4Road 30AOptocoupler Isolated High and Low Level Switch Relay Module5V12V 1Road 2Road 4Road 30AOptocoupler Isolated High and Low Level Switch Relay Module5V12V

1Road 2Road 4Road 30AOptocoupler Isolated High and Low Level Switch Relay Module5V12V

$33.10$37.11

1 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

$20.68$41.36

21 sold
NT1-B/NT1/NS1 EBT3001 TTL Level to RJ45 Ethernet Module Modbus Gateway with MQTT Dynamic IP Low Power Consumption NT1-B/NT1/NS1 EBT3001 TTL Level to RJ45 Ethernet Module Modbus Gateway with MQTT Dynamic IP Low Power Consumption

NT1-B/NT1/NS1 EBT3001 TTL Level to RJ45 Ethernet Module Modbus Gateway with MQTT Dynamic IP Low Power Consumption

$18.54$18.54

5 sold
50% off
XCW 1/10PCS 5V Vibrating Vibration Motor Module High and Low Level Vibration Mini Motor Module for Arduino XCW 1/10PCS 5V Vibrating Vibration Motor Module High and Low Level Vibration Mini Motor Module for Arduino

XCW 1/10PCS 5V Vibrating Vibration Motor Module High and Low Level Vibration Mini Motor Module for Arduino

$21.42$42.85

3 sold
16% off
High Voltage High Power MOSFET Module PWM Regulation Electronic Switch Control Board High and Low Level Optocoupler Isolation High Voltage High Power MOSFET Module PWM Regulation Electronic Switch Control Board High and Low Level Optocoupler Isolation

High Voltage High Power MOSFET Module PWM Regulation Electronic Switch Control Board High and Low Level Optocoupler Isolation

$40.08$47.71

1 sold
59% off
1-5Pcs DC5V/12V/24V 4 Channel Relay Module Low Level Trigger interface Board with Shield For PIC AVR DSP ARM MCU Arduino 1-5Pcs DC5V/12V/24V 4 Channel Relay Module Low Level Trigger interface Board with Shield For PIC AVR DSP ARM MCU Arduino

1-5Pcs DC5V/12V/24V 4 Channel Relay Module Low Level Trigger interface Board with Shield For PIC AVR DSP ARM MCU Arduino

$28.19$68.76

1 sold
25% off
5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger NEW 5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger NEW

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

$4.33$5.77

2 sold
51% off
Low Level Triggered Luminous Relay Module 3V 3.3V 1/2/4 Channel Various Options Available for Electronic Projects Low Level Triggered Luminous Relay Module 3V 3.3V 1/2/4 Channel Various Options Available for Electronic Projects

Low Level Triggered Luminous Relay Module 3V 3.3V 1/2/4 Channel Various Options Available for Electronic Projects

$26.64$54.36

21 sold
25% off
One 1 Channel Way 5V 12V Relay Module Board Shield for Arduino with Optocoupler Support High and Low Level Trigger Relay Module One 1 Channel Way 5V 12V Relay Module Board Shield for Arduino with Optocoupler Support High and Low Level Trigger Relay Module

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

$0.79$1.05

15 sold
40% off
XRY 1/5PCS 5V Vibrating Vibration Motor Module High and Low Level Vibration Mini Motor Module for Arduino XRY 1/5PCS 5V Vibrating Vibration Motor Module High and Low Level Vibration Mini Motor Module for Arduino

XRY 1/5PCS 5V Vibrating Vibration Motor Module High and Low Level Vibration Mini Motor Module for Arduino

$5.26$8.76

2 sold
17% off
Low Level 5V 1 2 4 8 Channel SSR G3MB-202P Solid State Relay Module 240V 2A Output with Resistive Fuse Diy Kit For ARDUINO Low Level 5V 1 2 4 8 Channel SSR G3MB-202P Solid State Relay Module 240V 2A Output with Resistive Fuse Diy Kit For ARDUINO

Low Level 5V 1 2 4 8 Channel SSR G3MB-202P Solid State Relay Module 240V 2A Output with Resistive Fuse Diy Kit For ARDUINO

$4.96$5.97

1 sold
68% off
2pc 1/2/4/8 Channel 5v Relay Module With Optocoupler Relay Output 1 2 4 6 Relay Module 8 Channels Low Level Trigger Output XWay 2pc 1/2/4/8 Channel 5v Relay Module With Optocoupler Relay Output 1 2 4 6 Relay Module 8 Channels Low Level Trigger Output XWay

2pc 1/2/4/8 Channel 5v Relay Module With Optocoupler Relay Output 1 2 4 6 Relay Module 8 Channels Low Level Trigger Output XWay

$67.25$210.16

2 sold
25% off
10Pcs/1pc Non-contact Liquid Level M03 M04 Water Level Detection Module Sensor Touch Switch Liquid Sensor 3-4.5mm for Arduino 10Pcs/1pc Non-contact Liquid Level M03 M04 Water Level Detection Module Sensor Touch Switch Liquid Sensor 3-4.5mm for Arduino

10Pcs/1pc Non-contact Liquid Level M03 M04 Water Level Detection Module Sensor Touch Switch Liquid Sensor 3-4.5mm for Arduino

$0.46$0.61

8 sold
25% off
10pcs/1pc USB to 2 Channel Way TTL Serial Port Module Type-C 50bps-3Mbps High Speed CH342 Chip Communication Conversion Module 10pcs/1pc USB to 2 Channel Way TTL Serial Port Module Type-C 50bps-3Mbps High Speed CH342 Chip Communication Conversion Module

10pcs/1pc USB to 2 Channel Way TTL Serial Port Module Type-C 50bps-3Mbps High Speed CH342 Chip Communication Conversion Module

$1.35$1.80

9 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

$20.95$63.50

95 sold
12V Relay 1 2 4 8 Channel SSR High Low Level Solid State Relay Module 250V 2A For Arduino 5V Relay 12V Relay 1 2 4 8 Channel SSR High Low Level Solid State Relay Module 250V 2A For Arduino 5V Relay

12V Relay 1 2 4 8 Channel SSR High Low Level Solid State Relay Module 250V 2A For Arduino 5V Relay

$2.36$2.36

26 sold
1% off
MAX30102 Heart rate Sensor Module Puls detection Blood oxygen concentration test For Arduino STM32 Ultra-Low Power MAX30102 Heart rate Sensor Module Puls detection Blood oxygen concentration test For Arduino STM32 Ultra-Low Power

MAX30102 Heart rate Sensor Module Puls detection Blood oxygen concentration test For Arduino STM32 Ultra-Low Power

$3.32$3.35

575 sold
BHT/1PCS 5V 12V 24V One 1 Channel Relay Module 30A with Optocoupler Isolation Supports High/Low Level Trigger with Guide Rail BHT/1PCS 5V 12V 24V One 1 Channel Relay Module 30A with Optocoupler Isolation Supports High/Low Level Trigger with Guide Rail

BHT/1PCS 5V 12V 24V One 1 Channel Relay Module 30A with Optocoupler Isolation Supports High/Low Level Trigger with Guide Rail

$9.89$9.89

6 sold
7% off
5/10PCS TLP281 4-Channel Opto-isolator IC Module For Arduino Expansion Board High And Low Level Optocoupler Isolation 4 Channel 5/10PCS TLP281 4-Channel Opto-isolator IC Module For Arduino Expansion Board High And Low Level Optocoupler Isolation 4 Channel

5/10PCS TLP281 4-Channel Opto-isolator IC Module For Arduino Expansion Board High And Low Level Optocoupler Isolation 4 Channel

$4.10$4.41

5 sold
16% off
1pcs Dual Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger Relay For Arduino

1pcs Dual Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger Relay For Arduino

$7.61$9.06

25 sold
5% off
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

$9.98$10.51

35 sold
25% off
DC 3.5V-12V KA2284 Power Audio Voltage Level Indicator Battery Capacity Indicator Red Green LED For Voltmeter Volume VU Meter DC 3.5V-12V KA2284 Power Audio Voltage Level Indicator Battery Capacity Indicator Red Green LED For Voltmeter Volume VU Meter

DC 3.5V-12V KA2284 Power Audio Voltage Level Indicator Battery Capacity Indicator Red Green LED For Voltmeter Volume VU Meter

$0.83$1.11

2 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

78 sold
33% off
8 Channel Optocoupler Isolation Module Signal Voltage Converter PNP NPN Low High Level Output AC 110V 220V DC 3.3V 5V 12V 24V 8 Channel Optocoupler Isolation Module Signal Voltage Converter PNP NPN Low High Level Output AC 110V 220V DC 3.3V 5V 12V 24V

8 Channel Optocoupler Isolation Module Signal Voltage Converter PNP NPN Low High Level Output AC 110V 220V DC 3.3V 5V 12V 24V

$3.55 $5.30

17 sold

Categories: Electronic Components & Supplies, Active Components

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8% 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

$2.93 $3.19

29 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
5V 12V 1 2 4 6 8 channel relay module with optocoupler. Relay Output 1 2 4 6 8 way relay module for arduino In stock 5V 12V 1 2 4 6 8 channel relay module with optocoupler. Relay Output 1 2 4 6 8 way relay module for arduino In stock

5V 12V 1 2 4 6 8 channel relay module with optocoupler. Relay Output 1 2 4 6 8 way relay module for arduino In stock

$1.40 $1.40

36 sold

Categories: Electronic Components & Supplies, Active Components

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52% off
5V SSR Solid State Relay Module G3MB-202P 1/2/4/6/8 Channel High Low Level Trigger 240V 2A With Fuse For Arduino 5V SSR Solid State Relay Module G3MB-202P 1/2/4/6/8 Channel High Low Level Trigger 240V 2A With Fuse For Arduino

5V SSR Solid State Relay Module G3MB-202P 1/2/4/6/8 Channel High Low Level Trigger 240V 2A With Fuse For Arduino

$23.26 $48.93

Categories: Electronic Components & Supplies, Active Components

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16% off
30W Industrial grade voice broadcast prompt module high and low level trigger one-to-one playboard MP3 prompter 30W Industrial grade voice broadcast prompt module high and low level trigger one-to-one playboard MP3 prompter

30W Industrial grade voice broadcast prompt module high and low level trigger one-to-one playboard MP3 prompter

$5.70 $6.78

3 sold

Categories: Electronic Components & Supplies, Active Components

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53% 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

$22.19 $47.85

261 sold

Categories: Electronic Components & Supplies, Active Components

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25% off
Infrared Liquid Water Level Sensor Level Sensor Monitoring Switch Inspection Detection Module DC 5V Precision IR Controller Infrared Liquid Water Level Sensor Level Sensor Monitoring Switch Inspection Detection Module DC 5V Precision IR Controller

Infrared Liquid Water Level Sensor Level Sensor Monitoring Switch Inspection Detection Module DC 5V Precision IR Controller

$10.26 $13.68

8 sold

Categories: Electronic Components & Supplies, Active Components

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10% off
HM-10 BLE 4.0 (Bluetooth Low Energy) UART Transparent Wireless Module-Bi-Directional 3.3V/5V Logic Level Shifter for Arduino HM-10 BLE 4.0 (Bluetooth Low Energy) UART Transparent Wireless Module-Bi-Directional 3.3V/5V Logic Level Shifter for Arduino

HM-10 BLE 4.0 (Bluetooth Low Energy) UART Transparent Wireless Module-Bi-Directional 3.3V/5V Logic Level Shifter for Arduino

$4.00 $4.45

16 sold

Categories: Electronic Components & Supplies, Active Components

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67% off
1 2 4 6 8 Channel DC 5V 12V Relay Module with Optocoupler Low Level Trigger 1 Way Expansion Board For Arduino Raspberry Pi 1 2 4 6 8 Channel DC 5V 12V Relay Module with Optocoupler Low Level Trigger 1 Way Expansion Board For Arduino Raspberry Pi

1 2 4 6 8 Channel DC 5V 12V Relay Module with Optocoupler Low Level Trigger 1 Way Expansion Board For Arduino Raspberry Pi

$21.30 $64.56

493 sold

Categories: Electronic Components & Supplies, Active Components

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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

$22.46 $70.20

286 sold

Categories: Electronic Components & Supplies, Active Components

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16% off
WAVGAT 2 way switch self-lock interlock 3-in-1 relay module 5V 12V 24V high and low level trigger WAVGAT 2 way switch self-lock interlock 3-in-1 relay module 5V 12V 24V high and low level trigger

WAVGAT 2 way switch self-lock interlock 3-in-1 relay module 5V 12V 24V high and low level trigger

$2.23 $2.65

2 sold

Categories: Electronic Components & Supplies, Active Components

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4% off
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

$1.54 $1.62

31 sold

Categories: Electronic Components & Supplies, Active Components

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27% off
2pcs/1pc Non contact water level detection sensor module NPN Output mode touch switch liquid sensor Response time 500mS 2pcs/1pc Non contact water level detection sensor module NPN Output mode touch switch liquid sensor Response time 500mS

2pcs/1pc Non contact water level detection sensor module NPN Output mode touch switch liquid sensor Response time 500mS

$1.53 $2.10

1 sold

Categories: Electronic Components & Supplies, Active Components

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10% off
1Road 2Road 4Road 30AOptocoupler Isolated High and Low Level Switch Relay Module5V12V 1Road 2Road 4Road 30AOptocoupler Isolated High and Low Level Switch Relay Module5V12V

1Road 2Road 4Road 30AOptocoupler Isolated High and Low Level Switch Relay Module5V12V

$33.10 $37.11

1 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

$20.68 $41.36

21 sold

Categories: Electronic Components & Supplies, Active Components

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NT1-B/NT1/NS1 EBT3001 TTL Level to RJ45 Ethernet Module Modbus Gateway with MQTT Dynamic IP Low Power Consumption NT1-B/NT1/NS1 EBT3001 TTL Level to RJ45 Ethernet Module Modbus Gateway with MQTT Dynamic IP Low Power Consumption

NT1-B/NT1/NS1 EBT3001 TTL Level to RJ45 Ethernet Module Modbus Gateway with MQTT Dynamic IP Low Power Consumption

$18.54 $18.54

5 sold

Categories: Electronic Components & Supplies, Active Components

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50% off
XCW 1/10PCS 5V Vibrating Vibration Motor Module High and Low Level Vibration Mini Motor Module for Arduino XCW 1/10PCS 5V Vibrating Vibration Motor Module High and Low Level Vibration Mini Motor Module for Arduino

XCW 1/10PCS 5V Vibrating Vibration Motor Module High and Low Level Vibration Mini Motor Module for Arduino

$21.42 $42.85

3 sold

Categories: Electronic Components & Supplies, Active Components

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16% off
High Voltage High Power MOSFET Module PWM Regulation Electronic Switch Control Board High and Low Level Optocoupler Isolation High Voltage High Power MOSFET Module PWM Regulation Electronic Switch Control Board High and Low Level Optocoupler Isolation

High Voltage High Power MOSFET Module PWM Regulation Electronic Switch Control Board High and Low Level Optocoupler Isolation

$40.08 $47.71

1 sold

Categories: Electronic Components & Supplies, Active Components

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59% off
1-5Pcs DC5V/12V/24V 4 Channel Relay Module Low Level Trigger interface Board with Shield For PIC AVR DSP ARM MCU Arduino 1-5Pcs DC5V/12V/24V 4 Channel Relay Module Low Level Trigger interface Board with Shield For PIC AVR DSP ARM MCU Arduino

1-5Pcs DC5V/12V/24V 4 Channel Relay Module Low Level Trigger interface Board with Shield For PIC AVR DSP ARM MCU Arduino

$28.19 $68.76

1 sold

Categories: Electronic Components & Supplies, Active Components

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25% off
5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger NEW 5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger NEW

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

$4.33 $5.77

2 sold

Categories: Electronic Components & Supplies, Active Components

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51% off
Low Level Triggered Luminous Relay Module 3V 3.3V 1/2/4 Channel Various Options Available for Electronic Projects Low Level Triggered Luminous Relay Module 3V 3.3V 1/2/4 Channel Various Options Available for Electronic Projects

Low Level Triggered Luminous Relay Module 3V 3.3V 1/2/4 Channel Various Options Available for Electronic Projects

$26.64 $54.36

21 sold

Categories: Electronic Components & Supplies, Active Components

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25% off
One 1 Channel Way 5V 12V Relay Module Board Shield for Arduino with Optocoupler Support High and Low Level Trigger Relay Module One 1 Channel Way 5V 12V Relay Module Board Shield for Arduino with Optocoupler Support High and Low Level Trigger Relay Module

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

$0.79 $1.05

15 sold

Categories: Electronic Components & Supplies, Active Components

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40% off
XRY 1/5PCS 5V Vibrating Vibration Motor Module High and Low Level Vibration Mini Motor Module for Arduino XRY 1/5PCS 5V Vibrating Vibration Motor Module High and Low Level Vibration Mini Motor Module for Arduino

XRY 1/5PCS 5V Vibrating Vibration Motor Module High and Low Level Vibration Mini Motor Module for Arduino

$5.26 $8.76

2 sold

Categories: Electronic Components & Supplies, Active Components

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17% off
Low Level 5V 1 2 4 8 Channel SSR G3MB-202P Solid State Relay Module 240V 2A Output with Resistive Fuse Diy Kit For ARDUINO Low Level 5V 1 2 4 8 Channel SSR G3MB-202P Solid State Relay Module 240V 2A Output with Resistive Fuse Diy Kit For ARDUINO

Low Level 5V 1 2 4 8 Channel SSR G3MB-202P Solid State Relay Module 240V 2A Output with Resistive Fuse Diy Kit For ARDUINO

$4.96 $5.97

1 sold

Categories: Electronic Components & Supplies, Active Components

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68% off
2pc 1/2/4/8 Channel 5v Relay Module With Optocoupler Relay Output 1 2 4 6 Relay Module 8 Channels Low Level Trigger Output XWay 2pc 1/2/4/8 Channel 5v Relay Module With Optocoupler Relay Output 1 2 4 6 Relay Module 8 Channels Low Level Trigger Output XWay

2pc 1/2/4/8 Channel 5v Relay Module With Optocoupler Relay Output 1 2 4 6 Relay Module 8 Channels Low Level Trigger Output XWay

$67.25 $210.16

2 sold

Categories: Electronic Components & Supplies, Active Components

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25% off
10Pcs/1pc Non-contact Liquid Level M03 M04 Water Level Detection Module Sensor Touch Switch Liquid Sensor 3-4.5mm for Arduino 10Pcs/1pc Non-contact Liquid Level M03 M04 Water Level Detection Module Sensor Touch Switch Liquid Sensor 3-4.5mm for Arduino

10Pcs/1pc Non-contact Liquid Level M03 M04 Water Level Detection Module Sensor Touch Switch Liquid Sensor 3-4.5mm for Arduino

$0.46 $0.61

8 sold

Categories: Electronic Components & Supplies, Active Components

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25% off
10pcs/1pc USB to 2 Channel Way TTL Serial Port Module Type-C 50bps-3Mbps High Speed CH342 Chip Communication Conversion Module 10pcs/1pc USB to 2 Channel Way TTL Serial Port Module Type-C 50bps-3Mbps High Speed CH342 Chip Communication Conversion Module

10pcs/1pc USB to 2 Channel Way TTL Serial Port Module Type-C 50bps-3Mbps High Speed CH342 Chip Communication Conversion Module

$1.35 $1.80

9 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

$20.95 $63.50

95 sold

Categories: Electronic Components & Supplies, Active Components

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12V Relay 1 2 4 8 Channel SSR High Low Level Solid State Relay Module 250V 2A For Arduino 5V Relay 12V Relay 1 2 4 8 Channel SSR High Low Level Solid State Relay Module 250V 2A For Arduino 5V Relay

12V Relay 1 2 4 8 Channel SSR High Low Level Solid State Relay Module 250V 2A For Arduino 5V Relay

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MAX30102 Heart rate Sensor Module Puls detection Blood oxygen concentration test For Arduino STM32 Ultra-Low Power MAX30102 Heart rate Sensor Module Puls detection Blood oxygen concentration test For Arduino STM32 Ultra-Low Power

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BHT/1PCS 5V 12V 24V One 1 Channel Relay Module 30A with Optocoupler Isolation Supports High/Low Level Trigger with Guide Rail BHT/1PCS 5V 12V 24V One 1 Channel Relay Module 30A with Optocoupler Isolation Supports High/Low Level Trigger with Guide Rail

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$9.89 $9.89

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5/10PCS TLP281 4-Channel Opto-isolator IC Module For Arduino Expansion Board High And Low Level Optocoupler Isolation 4 Channel 5/10PCS TLP281 4-Channel Opto-isolator IC Module For Arduino Expansion Board High And Low Level Optocoupler Isolation 4 Channel

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1pcs Dual Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger Relay For Arduino

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$7.61 $9.06

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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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$9.98 $10.51

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DC 3.5V-12V KA2284 Power Audio Voltage Level Indicator Battery Capacity Indicator Red Green LED For Voltmeter Volume VU Meter DC 3.5V-12V KA2284 Power Audio Voltage Level Indicator Battery Capacity Indicator Red Green LED For Voltmeter Volume VU Meter

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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

78 sold

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