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345 results for "Microcontrollers" in Business & Industrial

Single-channel relay module with optocoupler isolation This 1-channel relay modu New
Relay Accessories

Single-channel relay module with optocoupler isolation This 1-channel relay modu

USD $18.00

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 $18.95

Seller: 99.8% positive

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8 Channel I2C Relay Module Arduino Raspberry 3.3V 5.0V DIN XL9535 GPIO expander New
Relay Accessories

8 Channel I2C Relay Module Arduino Raspberry 3.3V 5.0V DIN XL9535 GPIO expander

USD $19.99

Seller: 99.5% positive

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6Pack 2 Channel DC 5V Relay Module with Optocoupler Relay Board New
Relay Accessories

6Pack 2 Channel DC 5V Relay Module with Optocoupler Relay Board

USD $30.99

Seller: 99.6% positive

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16-CH 16-Channel 5V Relay Board Module Optocoupler Power Supply Arduino PIC ARM New
Relay Accessories

16-CH 16-Channel 5V Relay Board Module Optocoupler Power Supply Arduino PIC ARM

USD $16.30

Seller: 99.6% positive

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

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

USD $13.59

Seller: 99.6% positive

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

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

USD $0.99

Seller: 99.9% positive

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2PCS 4 Channel 5V Relay Module with Optocoupler High or Low Level Trigger Expans New
Relay Accessories

2PCS 4 Channel 5V Relay Module with Optocoupler High or Low Level Trigger Expans

USD $22.99

Seller: 100.0% 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 $16.01

Seller: 100.0% positive

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2PCS 4 Channel 5V Relay Module with Optocoupler High or Low Level Trigger Exp... New
Relay Accessories

2PCS 4 Channel 5V Relay Module with Optocoupler High or Low Level Trigger Exp...

USD $16.95

Seller: 100.0% positive

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8 Channel DC 5V Relay Module with Optocoupler Compatible with Arduino UNO R3 MEG New
Relay Accessories

8 Channel DC 5V Relay Module with Optocoupler Compatible with Arduino UNO R3 MEG

USD $15.79

Seller: 99.5% positive

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4pcs DC 5V Relay Module 2 Channel Relay Board with Optocoupler Support High o... New
Relay Accessories

4pcs DC 5V Relay Module 2 Channel Relay Board with Optocoupler Support High o...

USD $14.86

Seller: 99.2% positive

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1PCS new 1 Channel 5V Relay Module with optocoupler for Arduino PIC DSP AVR New
Relay Accessories

1PCS new 1 Channel 5V Relay Module with optocoupler for Arduino PIC DSP AVR

USD $1.98

Seller: 99.9% positive

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8-Channel Relay Module New
Relay Accessories

8-Channel Relay Module

USD $18.68

Seller: 99.6% positive

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Relay Module 1 Channel 5V Low Level Trigger Module Blue Relay Module 4 Pack New
Relay Accessories

Relay Module 1 Channel 5V Low Level Trigger Module Blue Relay Module 4 Pack

USD $15.76

Seller: 99.2% positive

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16-Channel 12V Relay Module Board for Arduino DSP AVR PIC ARM New
Relay Accessories

16-Channel 12V Relay Module Board for Arduino DSP AVR PIC ARM

USD $33.81

Seller: 99.6% positive

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5A Smart Delay Timer Relay for Motors, Pumps & DIY Electronics - Up to 400 Days New
Relay Accessories

5A Smart Delay Timer Relay for Motors, Pumps & DIY Electronics - Up to 400 Days

USD $37.99

Seller: 99.3% positive

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1PCS 5V 1 Channel Infrared Remote Control Relay Module Learning IR Switch NEW New
Relay Accessories

1PCS 5V 1 Channel Infrared Remote Control Relay Module Learning IR Switch NEW

USD $4.57

Seller: 99.9% positive

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5V Two 2 Channel Relay Module With optocoupler For PIC AVR DSP ARM po New
Relay Accessories

5V Two 2 Channel Relay Module With optocoupler For PIC AVR DSP ARM po

USD $10.81

Seller: 99.8% positive

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8 channel 5V Relay Board Module for Arduino PIC ARM AVR New – Open box
Relay Accessories

8 channel 5V Relay Board Module for Arduino PIC ARM AVR

USD $7.50

Seller: 100.0% positive

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8 Channel DC 5V Relay Module with Optocoupler for Arduino Raspberry Pi DSP ARM S New
Relay Accessories

8 Channel DC 5V Relay Module with Optocoupler for Arduino Raspberry Pi DSP ARM S

USD $36.99

Seller: 99.7% 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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5V 1/2/4/6/8/16 Channel Relay Module Optocoupler LED for Arduino ARM AVRC New
Relay Accessories

5V 1/2/4/6/8/16 Channel Relay Module Optocoupler LED for Arduino ARM AVRC

USD $3.70

Seller: 99.5% 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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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 $19.08

Seller: 99.6% positive

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

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

USD $22.99

Seller: 99.9% positive

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5V 1 Channel Relay Board Module Optocoupler LED for Arduino UNO PIC ARM AVR New
Relay Accessories

5V 1 Channel Relay Board Module Optocoupler LED for Arduino UNO PIC ARM AVR

USD $2.52

Seller: 99.6% positive

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1pcs 5V 2--Channel Relay Module for Arduino PIC DSP AVR Electronic New
Relay Accessories

1pcs 5V 2--Channel Relay Module for Arduino PIC DSP AVR Electronic

USD $1.32

Seller: 99.9% positive

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

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

USD $24.99

Seller: 98.5% positive

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2 Channel Relay Module 5V/12V/24V With Optocoupler PIC AVR DSP ARM For Arduino New
Relay Accessories

2 Channel Relay Module 5V/12V/24V With Optocoupler PIC AVR DSP ARM For Arduino

USD $3.00

Seller: 99.6% positive

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10PCS KY-019 5V 1 Channel Relay Module Arduino PIC AVR DSP ARM Relay Board New
Relay Accessories

10PCS KY-019 5V 1 Channel Relay Module Arduino PIC AVR DSP ARM Relay Board

USD $15.90

Seller: 100.0% positive

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8-Channel 5V Solid State Relay Module Board for Arduino Uno Duemilanove MEGA2... New
Relay Accessories

8-Channel 5V Solid State Relay Module Board for Arduino Uno Duemilanove MEGA2...

USD $27.58

Seller: 99.6% positive

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

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

USD $5.85

Seller: 99.8% positive

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1 Channel 5V Relay Module for arduino 1-Channel relay KY-019 For PIC AVR DSP ARM New
Relay Accessories

1 Channel 5V Relay Module for arduino 1-Channel relay KY-019 For PIC AVR DSP ARM

USD $4.99

Seller: 100.0% positive

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

2PCS 4 Channel 5V Relay Module with Optocoupler High or Low Level Trigger

USD $22.95

Seller: 99.9% positive

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10x NEW 1 Channel 12V Relay Module with optocoupler for Arduino PIC DSP AVR New
Relay Accessories

10x NEW 1 Channel 12V Relay Module with optocoupler for Arduino PIC DSP AVR

USD $8.96

Seller: 99.9% positive

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ELEGOO 8 Channel DC 5V Relay Module with Optocoupler for Arduino Projects | Comp New
Relay Accessories

ELEGOO 8 Channel DC 5V Relay Module with Optocoupler for Arduino Projects | Comp

USD $19.99

Seller: 99.8% positive

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8 Channel DC 5V Relay Module with Optocoupler Compatible with Arduino UNO R3 MEG New
Relay Accessories

8 Channel DC 5V Relay Module with Optocoupler Compatible with Arduino UNO R3 MEG

USD $15.99

Seller: 100.0% 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 $5.44

Seller: 99.6% positive

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5Pcs Optocoupler Isolation Board Module DC 12V 1-Channel Opto-Coupler Isolator New
Relay Accessories

5Pcs Optocoupler Isolation Board Module DC 12V 1-Channel Opto-Coupler Isolator

USD $22.99

Seller: 99.9% 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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DIYables 1 Channel 5V Relay Module High/Low Level Trigger for Arduino ESP32 New
Relay Accessories

DIYables 1 Channel 5V Relay Module High/Low Level Trigger for Arduino ESP32

USD $15.99

Seller: 96.8% 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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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 $17.99

Seller: 100.0% 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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2PCS 4 Channel 5V Relay Module for Arduino & Raspberry Pi – Optocoupler Isolated New
Relay Accessories

2PCS 4 Channel 5V Relay Module for Arduino & Raspberry Pi – Optocoupler Isolated

USD $17.56

Seller: 99.2% positive

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2Pcs 4 Channel 5V Relay Module with Optocoupler High or Low Level Trigger New
Relay Accessories

2Pcs 4 Channel 5V Relay Module with Optocoupler High or Low Level Trigger

USD $18.99

Seller: 99.9% positive

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8 Pack 3V 1 Channel Relay Module with Optocoupler Isolation for IoT Projects New
Relay Accessories

8 Pack 3V 1 Channel Relay Module with Optocoupler Isolation for IoT Projects

USD $24.99

Seller: 99.4% positive

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