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Celebrate National Small Business Month
1-16 of over 30,000 results for
"board relay"
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Amazon's Choice: Overall Pick
This product is highly rated, well-priced, and available to ship immediately.
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
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$12.99
$12.99
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with coupon
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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
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2pcs 8 Channel DC 5V Relay Module with Optocoupler for UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi
4.5 out of 5 stars
46
$15.99
$
15
.
99
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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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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
Save 5% on 5 select item(s)
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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
4.5 out of 5 stars
200
50+ bought in past month
$11.29
$
11
.
29
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4pcs DC 5V Relay Module 1 Channel Relay Switch Relay Board with Optocoupler Isolation Support High or Low Level Trigger
4.5 out of 5 stars
201
100+ bought in past month
$6.99
$
6
.
99
(
$1.75
$1.75
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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
200+ bought in past month
$9.99
$
9
.
99
(
$2.00
$2.00
/Count)
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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 Switch for Arduino
4.5 out of 5 stars
112
100+ bought in past month
$10.99
$
10
.
99
(
$1.37
$1.37
/Item)
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$11.99
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$9.59
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DC 12V Relay Module 8 Channel Relay Board with OPTO-Isolated High or Low Level Trigger
4.4 out of 5 stars
32
$8.99
$
8
.
99
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Relay Board, Relay Module 4 Channel 1 SPDT DIN Rail Mount 24V DC/AC Relay Module Board, Interface Relay Module (FY-T734C-D24)
4.0 out of 5 stars
11
$18.99
$
18
.
99
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24 Pcs 5v Relay Module One Channel Relay Switch with Optocoupler 5v Relay Board with Opto Isolation Support High and Low Level Trigger, 19.69 x 10.24 x 7.09 Inch
4.8 out of 5 stars
10
$22.99
$
22
.
99
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4pcs DC 12V Relay Module 2 Channel Relay Board with Optocoupler Support High or Low Level Trigger
4.6 out of 5 stars
53
$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 by DC 12V
4.5 out of 5 stars
466
100+ bought in past month
$8.59
$
8
.
59
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2pcs DC 12V Relay Module 4 Channel Relay Board Shield with Optocoupler Isolation Suport High/Low Level Trigger
4.4 out of 5 stars
28
$8.99
$
8
.
99
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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
4.6 out of 5 stars
118
50+ bought in past month
$7.99
$
7
.
99
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Related searches
relay board 12v
relay
relay box
esp32
12v relay board
solid state relay
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