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1-16 of over 3,000 results for "relay board"

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Amazon's Choice: Overall Pick
This product is highly rated, well-priced, and available to ship immediately.
ANMBEST 2PCS 4 Channel 5V Relay Module with Optocoupler High or Low Level Trigger Expansion Board for Raspberry Pi Arduino

2PCS 4 Channel 5V Relay Module with Optocoupler High or Low Level Trigger Expansion Board for Raspberry Pi Arduino

4.4 out of 5 stars
335
50+ bought in past month
$11.99$11.99 ($6.00$6.00/Item)
Typical: $12.99$12.99
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Popular Brand Pick
Amazon's Choice: Popular Brand Pick
This brand is popular with other customers and this product is highly rated, well-priced, and available to ship immediately.
SunFounder 5V 8 Channel Relay Shield Module for Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+

SunFounder 5V 8 Channel Relay Shield Module for Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+

4.7 out of 5 stars
1,170
50+ bought in past month
$9.89$9.89
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$8.99(2 new offers)
SainSmart 16-Channel 12V Relay Module Board for Arduino DSP AVR PIC ARM

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

4.4 out of 5 stars
591
50+ bought in past month
$15.99$15.99
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HiLetgo 12V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino

HiLetgo 12V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino

4.5 out of 5 stars
200
50+ bought in past month
$11.29$11.29
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5v Relay Module 1 Channel Relay Board for Raspberry Pi with Opto-Isolated High or Low Level Trigger 5v 1 Channel Relay Swi...

5v Relay Module 1 Channel Relay Board for Raspberry Pi with Opto-Isolated High or Low Level Trigger 5v 1 Channel Relay Switch for Arduino

4.5 out of 5 stars
112
100+ bought in past month
$10.99$10.99 ($1.37$1.37/Item)
Typical: $11.99$11.99
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$9.59(6 used & new offers)
Hosyond 4Pack 4 Channel DC 5V Relay Module with Optocoupler Relay Board for Arduino Raspberry Pi MEGA2560

4Pack 4 Channel DC 5V Relay Module with Optocoupler Relay Board for Arduino Raspberry Pi MEGA2560

4.6 out of 5 stars
24
50+ bought in past month
$14.99$14.99
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AEDIKO 4pcs DC 12V Relay Module 1 Channel Relay Board with Optocoupler Isolation Support High or Low Level

4pcs DC 12V Relay Module 1 Channel Relay Board with Optocoupler Isolation Support High or Low Level

4.5 out of 5 stars
200
200+ bought in past month
$6.99$6.99 ($1.75$1.75/Item)
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True Mods 12V Auto Waterproof Fuse 5-Pin Relay Box Block Kit w/ 12AWG + 16AWG Pre-Wired Harness [Bosch Style Relays & Fuse...

True Mods 12V Auto Waterproof Fuse 5-Pin Relay Box Block Kit w/ 12AWG + 16AWG Pre-Wired Harness [Bosch Style Relays & Fuses] Universal Relay Panel for DC Automotive Vehicles Cars Marine Boat Jeep UTV

4.5 out of 5 stars
3,092
400+ bought in past month
$49.99$49.99
List: $59.99$59.99
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WWZMDiB 5V 12V 24V Relay Module 1/2/4/6/8/16 Channel Various Model Options (1, 1 Channel, 12V)

5V 12V 24V Relay Module 1/2/4/6/8/16 Channel Various Model Options (1, 1 Channel, 12V)

5.0 out of 5 stars
4
$4.99$4.99
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AEDIKO 8 Channel Relay Module DC 5V Relay Board with OPTO-Isolated Support High or Low Level Trigger

8 Channel Relay Module DC 5V Relay Board with OPTO-Isolated Support High or Low Level Trigger

4.4 out of 5 stars
32
$8.99$8.99
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HiLetgo 2pcs DC 12V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered...

HiLetgo 2pcs DC 12V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 12V

4.5 out of 5 stars
466
100+ bought in past month
$8.59$8.59
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Best Sellerin Solid State Relays
HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger

HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger

4.6 out of 5 stars
1,056
500+ bought in past month
$7.39$7.39
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HiLetgo 12V 4 Channel Relay Module with OPTO-Isolated Support High and Low Level Trigger

HiLetgo 12V 4 Channel Relay Module with OPTO-Isolated Support High and Low Level Trigger

4.5 out of 5 stars
137
100+ bought in past month
$7.39$7.39
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ELEGOO 4 Channel DC 5V Relay Module with Optocoupler Compatible with Arduino UNO R3 MEGA 2560 DSP ARM PIC AVR STM32

ELEGOO 4 Channel DC 5V Relay Module with Optocoupler Compatible with Arduino UNO R3 MEGA 2560 DSP ARM PIC AVR STM32

4.6 out of 5 stars
118
100+ bought in past month
$7.99$7.99
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Teyleten Robot DC 1 Channel Optocoupler 3V/3.3V Relay High Level Driver Module Isolated Drive Control Board 3V/3.3V Relay ...

DC 1 Channel Optocoupler 3V/3.3V Relay High Level Driver Module Isolated Drive Control Board 3V/3.3V Relay Module for Arduino (Pack of 5)

4.5 out of 5 stars
145
100+ bought in past month
$9.99$9.99 ($2.00$2.00/Count)
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AITRIP 8 Pack 3V 1 Channel Relay Power Switch Module with Optocoupler Opto Isolation High Level Trigger for IOT ESP8266 De...

AITRIP 8 Pack 3V 1 Channel Relay Power Switch Module with Optocoupler Opto Isolation High Level Trigger for IOT ESP8266 Development Board

4.5 out of 5 stars
118
$13.99$13.99
FREE delivery Thu, May 16 on $35 of items shipped by Amazon
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