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325 results for "Microcontrollers" in Business & Industrial

USB Serial Port Control Relay Module Sturdy Durable Lightweight USB Relay New
Relay Accessories

USB Serial Port Control Relay Module Sturdy Durable Lightweight USB Relay

USD $20.99

Seller: 99.9% positive

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Relay Module 1 Channel 12V High Low Level Trigger Module Red Relay Board New
Relay Accessories

Relay Module 1 Channel 12V High Low Level Trigger Module Red Relay Board

USD $14.79

Seller: 99.4% positive

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2PCS 5V 4-Channel Relay Module with Optocoupler, High/Low Level Trigger New
Relay Accessories

2PCS 5V 4-Channel Relay Module with Optocoupler, High/Low Level Trigger

USD $23.99

Seller: 100.0% positive

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USB Serial Port Control Relay Module Sturdy Durable Lightweight USB Relay New
Relay Accessories

USB Serial Port Control Relay Module Sturdy Durable Lightweight USB Relay

USD $20.99

Seller: 99.7% positive

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10pcs KY-019 5V One Channel 1 CH Relay Module Board Shield PIC AVR DSP ARM New
Relay Accessories

10pcs KY-019 5V One Channel 1 CH Relay Module Board Shield PIC AVR DSP ARM

USD $14.24

Seller: 99.6% positive

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SunFounder 5V 8 Channel Relay Shield Module for Arduino R3 2560 1280 ARM PIC AVR New
Relay Accessories

SunFounder 5V 8 Channel Relay Shield Module for Arduino R3 2560 1280 ARM PIC AVR

USD $3.71

Seller: 99.7% positive

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12V 8Channel Relay Module with Optocoupler for Arduino UNO 2560 1280 PIC AVR New
Relay Accessories

12V 8Channel Relay Module with Optocoupler for Arduino UNO 2560 1280 PIC AVR

USD $4.99

Seller: 100.0% positive

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5V Eight 8 Channel Relay Module With optocoupler For PIC AVR DSP Arduino DIY New
Relay Accessories

5V Eight 8 Channel Relay Module With optocoupler For PIC AVR DSP Arduino DIY

USD $4.77

Seller: 99.8% positive

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8PCS 5v Relay Module 1 Channel Relay Board for Raspberry Pi with Opto-Isolate... New
Relay Accessories

8PCS 5v Relay Module 1 Channel Relay Board for Raspberry Pi with Opto-Isolate...

USD $19.94

Seller: 99.6% positive

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5V 1/2/4/8 Channel Relay Module Arduino Raspberry PIC ARM AVR DSP AC250V DC30V New
Relay Accessories

5V 1/2/4/8 Channel Relay Module Arduino Raspberry PIC ARM AVR DSP AC250V DC30V

USD $17.79

Seller: 99.4% positive

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5pcs 1 Channel 12V Relay Module with optocoupler for Arduino PIC DSP AVR New
Relay Accessories

5pcs 1 Channel 12V Relay Module with optocoupler for Arduino PIC DSP AVR

USD $4.58

Seller: 99.9% positive

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8 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC New
Relay Accessories

8 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC

USD $4.80

Seller: 99.9% positive

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5PCS 5V One 1 Channel Isolated 5V Relay Module With Optocoupler For Arduino New
Relay Accessories

5PCS 5V One 1 Channel Isolated 5V Relay Module With Optocoupler For Arduino

USD $5.27

Seller: 99.6% positive

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16 Channel 5V Relay Module Optocoupler Low Level Trigger for Raspberry Pi Arduin New
Relay Accessories

16 Channel 5V Relay Module Optocoupler Low Level Trigger for Raspberry Pi Arduin

USD $33.99

Seller: 100.0% positive

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10PCS 5V Relay Module, High/Low Trigger Switch Board, Optocoupler, Jumper Wires New
Relay Accessories

10PCS 5V Relay Module, High/Low Trigger Switch Board, Optocoupler, Jumper Wires

USD $28.99

Seller: 97.7% positive

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5V 1/2/4/6/8 Channel Relay Module Board Optocoupler LED For Arduino ARM AVR New
Relay Accessories

5V 1/2/4/6/8 Channel Relay Module Board Optocoupler LED For Arduino ARM AVR

USD $11.91

Seller: 100.0% positive

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1/2/4/6/8 Channel 5V Relay Board Module Optocoupler LED for Arduino PiC AVR New
Relay Accessories

1/2/4/6/8 Channel 5V Relay Board Module Optocoupler LED for Arduino PiC AVR

USD $0.99

Seller: 99.8% positive

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DC 12V Relay Module 8 Channel Relay Board with OPTO-Isolated High or Low Level T New
Relay Accessories

DC 12V Relay Module 8 Channel Relay Board with OPTO-Isolated High or Low Level T

USD $16.99

Seller: 100.0% positive

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8 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM New
Relay Accessories

8 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM

USD $13.99

Seller: 99.5% positive

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12V 1/2/4/8/16 Channel Relay Module With optocoupler For PIC AVR ARM Arduino New
Relay Accessories

12V 1/2/4/8/16 Channel Relay Module With optocoupler For PIC AVR ARM Arduino

USD $36.14

Seller: 100.0% positive

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1PCS 5V 1/2/4/8 Channel Relay Board Module Optocoupler LED for Arduino PiC M New
Relay Accessories

1PCS 5V 1/2/4/8 Channel Relay Board Module Optocoupler LED for Arduino PiC M

USD $0.99

Seller: 99.8% positive

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1/2/4/6/8 Channel 5V Relay Board Module Optocoupler LED for Arduino PiC AVR New
Relay Accessories

1/2/4/6/8 Channel 5V Relay Board Module Optocoupler LED for Arduino PiC AVR

USD $0.99

Seller: 99.9% positive

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DC 24V Relay Module Relay Board 8 Channel OPTO-Isolated High or Low Level Trigge New
Relay Accessories

DC 24V Relay Module Relay Board 8 Channel OPTO-Isolated High or Low Level Trigge

USD $18.12

Seller: 100.0% positive

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5V 2 Channel Relay Module With optocoupler For PIC AVR ARM Arduino dDIY New
Relay Accessories

5V 2 Channel Relay Module With optocoupler For PIC AVR ARM Arduino dDIY

USD $4.15

Seller: 99.8% positive

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2/8 Channel Relay Module 5V With Optocoupler For Arduino DSP ARM PIC AVR New
Relay Accessories

2/8 Channel Relay Module 5V With Optocoupler For Arduino DSP ARM PIC AVR

USD $2.21

Seller: 99.6% positive

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5V 2 Channel Relay Module With optocoupler For Arduino PIC AVR DSP ARM JHRG New
Relay Accessories

5V 2 Channel Relay Module With optocoupler For Arduino PIC AVR DSP ARM JHRG

USD $4.99

Seller: 99.9% positive

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8 Channel 5V Relay Shield Module Board Optocoupler module Arduino ARM AVR New
Relay Accessories

8 Channel 5V Relay Shield Module Board Optocoupler module Arduino ARM AVR

USD $6.44

Seller: 99.6% positive

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JBtek 8 Channel DC 5V Relay Module for Arduino Raspberry Pi 10A New
Relay Accessories

JBtek 8 Channel DC 5V Relay Module for Arduino Raspberry Pi 10A

USD $16.99

Seller: 100.0% positive

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6Pack 2 Channel DC 5V Relay Module with Optocoupler Relay Board for Arduino R... New
Relay Accessories

6Pack 2 Channel DC 5V Relay Module with Optocoupler Relay Board for Arduino R...

USD $24.25

Seller: 99.0% positive

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2Pcs DC 12V 2-Channel Optocoupler Isolation Relay Module High/Low Level Trigger New
Relay Accessories

2Pcs DC 12V 2-Channel Optocoupler Isolation Relay Module High/Low Level Trigger

USD $16.99

Seller: 99.6% positive

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10A Time Relay Module Multi-function Digital Display Delay Start Relay Module New
Relay Accessories

10A Time Relay Module Multi-function Digital Display Delay Start Relay Module

USD $5.74

Seller: 99.7% positive

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ESP32-S3 WiFi BLE Relay Isolation Protection 1CH 10A DIN Rail RS485 Modbus New
Relay Accessories

ESP32-S3 WiFi BLE Relay Isolation Protection 1CH 10A DIN Rail RS485 Modbus

USD $24.39

Seller: 99.7% positive

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12V 8Channel Relay Module with Optocoupler New
Relay Accessories

12V 8Channel Relay Module with Optocoupler

USD $5.53

Seller: 99.9% positive

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8 relay module with optically coupled isolated AVR/51/PIC microcontroller New
Relay Accessories

8 relay module with optically coupled isolated AVR/51/PIC microcontroller

USD $9.09

Seller: 100.0% positive

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DC 5V 12V 24V Relay Module Board Optocoupler 1 2 4 6 8 Channel for Arduino New
Relay Accessories

DC 5V 12V 24V Relay Module Board Optocoupler 1 2 4 6 8 Channel for Arduino

USD $10.99

Seller: 100.0% positive

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5V 1/2/4/6/8 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM AVR New
Relay Accessories

5V 1/2/4/6/8 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM AVR

USD $7.39

Seller: 99.6% positive

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5V 1/2/4/6/8 Channel Relay Module Board Optocoupler LED For Arduino ARM AVR New
Relay Accessories

5V 1/2/4/6/8 Channel Relay Module Board Optocoupler LED For Arduino ARM AVR

USD $6.55

Seller: 99.6% positive

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5V 1/2/4/6/8 Channel Relay Module Board Optocoupler LED for PiC ARM AVR New
Relay Accessories

5V 1/2/4/6/8 Channel Relay Module Board Optocoupler LED for PiC ARM AVR

USD $5.80

Seller: 99.5% positive

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PNP/NPN Signal Voltage Conversion 8-channel Optocoupler Isolation Board New
Relay Accessories

PNP/NPN Signal Voltage Conversion 8-channel Optocoupler Isolation Board

USD $17.98

Seller: 100.0% positive

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2‑Pack LCUS‑1 USB Relay Module, CH340 Serial Port Control Intelligent Switch New
Relay Accessories

2‑Pack LCUS‑1 USB Relay Module, CH340 Serial Port Control Intelligent Switch

USD $31.99

Seller: 99.9% positive

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Optocoupler Relay Module 5V/12V 1 Channel for Raspberry Pi Arduino New
Relay Accessories

Optocoupler Relay Module 5V/12V 1 Channel for Raspberry Pi Arduino

USD $9.85

Seller: 100.0% positive

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12V 8Channel Relay Module with Optocoupler for Arduino UNO 2560 1280 PIC AVR New
Relay Accessories

12V 8Channel Relay Module with Optocoupler for Arduino UNO 2560 1280 PIC AVR

USD $5.37

Seller: 99.9% positive

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5V 1/2/4/6/8 Channel Relay Module Board Optocoupler LED for PiC ARM AVR New
Relay Accessories

5V 1/2/4/6/8 Channel Relay Module Board Optocoupler LED for PiC ARM AVR

USD $5.19

Seller: 99.8% positive

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12V 1/2/4/8/16 Channel Relay Module With optocoupler For PIC AVR DSP ARM Arduino New
Relay Accessories

12V 1/2/4/8/16 Channel Relay Module With optocoupler For PIC AVR DSP ARM Arduino

USD $12.25

Seller: 99.7% positive

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5PCS 5V Two 2 Channel Relay Module With optocoupler For PIC AVR DSP Arduino New
Relay Accessories

5PCS 5V Two 2 Channel Relay Module With optocoupler For PIC AVR DSP Arduino

USD $6.55

Seller: 99.9% positive

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2PCS One 1 Channel Isolated 5V Relay Module Coupling For Arduino optocouple​r New
Relay Accessories

2PCS One 1 Channel Isolated 5V Relay Module Coupling For Arduino optocouple​r

USD $1.87

Seller: 99.9% positive

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4-Pack 5V Relay Module with Optocoupler for Arduino & Raspberry Pi - 4 Channel B New
Relay Accessories

4-Pack 5V Relay Module with Optocoupler for Arduino & Raspberry Pi - 4 Channel B

USD $30.39

Seller: 98.8% positive

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DC 5V Relay Module 1-Channel Relay Switch with Optocoupler Isolation High/Low... New
Relay Accessories

DC 5V Relay Module 1-Channel Relay Switch with Optocoupler Isolation High/Low...

USD $23.74

Seller: 99.6% positive

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