Shop Arduino for Relays and Switches

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$15.99
Dafurui 5V Relay Module - 8 Pack 1 Channel Relay Board With Optocoupler, High/Low Level Trigger For Arduino
Amazon.com
76
$15.99
Dafurui 5V Relay Module - 8 Pack 1 Channel Relay Board With Optocoupler, High/Low Level Trigger For Arduino
Amazon.com
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
179
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
$64.00
ARDUINO ABX00004 - Components & Relay PC Board Mount Supplies
Radwell.com
$64.00
ARDUINO ABX00004 - Components & Relay PC Board Mount Supplies
Radwell.com
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ARDUINO ABX00020 - Components & Relay PC Board Mount Supplies
Radwell.com
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ARDUINO ABX00020 - Components & Relay PC Board Mount Supplies
Radwell.com
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ARDUINO A100053 - Components & Relay PC Board Mount Supplies
Radwell.com
$39.00
ARDUINO A100053 - Components & Relay PC Board Mount Supplies
Radwell.com
$41.00
ARDUINO A000052 - Components & Relay PC Board Mount Supplies
Radwell.com
$41.00
ARDUINO A000052 - Components & Relay PC Board Mount Supplies
Radwell.com
$25.00
ARDUINO TSX00005 - Components & Relay PC Board Mount Supplies
Radwell.com
$25.00
ARDUINO TSX00005 - Components & Relay PC Board Mount Supplies
Radwell.com
$31.00
ARDUINO TSX00003 - Panel Accessories & Relay/Socket Supplies
Radwell.com
$31.00
ARDUINO TSX00003 - Panel Accessories & Relay/Socket Supplies
Radwell.com
$100.99
16 Channel I2c Interface Electromagnetic Relay Module For Arduino R...
eBay
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$100.99
16 Channel I2c Interface Electromagnetic Relay Module For Arduino R...
eBay
$45.00
ARDUINO A000053 - Components & Relay PC Board Mount Supplies
Radwell.com
$45.00
ARDUINO A000053 - Components & Relay PC Board Mount Supplies
Radwell.com
$204.82
Relay Switch SRD-05VDC-SL-C ( Use With Arduino, TTL, Pi, DIY Projects)
eBay.com
Free shipping
$204.82
Relay Switch SRD-05VDC-SL-C ( Use With Arduino, TTL, Pi, DIY Projects)
eBay.com
$207.40
5V/12V/24V 1 2 Channel Solid State Relay Module DC-DC Arduinos Raspberry Pi PIC
eBay.com
$207.40
5V/12V/24V 1 2 Channel Solid State Relay Module DC-DC Arduinos Raspberry Pi PIC
eBay.com
$1,580.00
SP4T, IP64 Rated Electromechanical Relay Normally Open Switch, DC To 18Ghz, 90W, 28VDC, SMA
Pasternack
$1,580.00
SP4T, IP64 Rated Electromechanical Relay Normally Open Switch, DC To 18Ghz, 90W, 28VDC, SMA
Pasternack
$8.15
10Pcs 5V One Channel Relay Module Relay Switch With Isolation High Low Level Trigger Compatible With Arduino ARM AVR
Temu US
58
$8.15
10Pcs 5V One Channel Relay Module Relay Switch With Isolation High Low Level Trigger Compatible With Arduino ARM AVR
Temu US
$104.34
Relay Switch SRD-05VDC-SL-C ( Use With Arduino, TTL, Pi, DIY Projects)
eBay.com
Free shipping
$104.34
Relay Switch SRD-05VDC-SL-C ( Use With Arduino, TTL, Pi, DIY Projects)
eBay.com
$110.47
A16 Esp32 Esp Tasmota Diy Module Arduino Wifi Relay Switch Mqtt Rs485
eBay
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$110.47
A16 Esp32 Esp Tasmota Diy Module Arduino Wifi Relay Switch Mqtt Rs485
eBay
$6.26
$40.26
2Pcs 4-Channel 5V Relay Module With Optocoupler Compatible With Arduino R3 MEGA 2560 DSP ARM PIC AVR, Arduino Components,Diy Electronics,Electronic
Temu US
3
84% off
$6.26
$40.26
2Pcs 4-Channel 5V Relay Module With Optocoupler Compatible With Arduino R3 MEGA 2560 DSP ARM PIC AVR, Arduino Components,Diy Electronics,Electronic
Temu US
$9.30
16-Channel 12V Relay Module Board For Arduino DSP AVR PIC ARM, Microcontroller Relay, Automation Projects, Compact Design, Professional Board,
Temu US
17
$9.30
16-Channel 12V Relay Module Board For Arduino DSP AVR PIC ARM, Microcontroller Relay, Automation Projects, Compact Design, Professional Board,
Temu US
$1,180.00
SP6T Electromechanical Relay Normally Open Switch, DC To 12.4 Ghz, 50W, 28V, N
Pasternack
$1,180.00
SP6T Electromechanical Relay Normally Open Switch, DC To 12.4 Ghz, 50W, 28V, N
Pasternack
$1,500.00
SPDT Electromechanical Relay Failsafe Switch, DC To 18 Ghz, 12V, N, 1m Lifecycles
Pasternack
$1,500.00
SPDT Electromechanical Relay Failsafe Switch, DC To 18 Ghz, 12V, N, 1m Lifecycles
Pasternack
$11.96
$11.99
6Pcs 2-Channel 5V Relay Module With Optocoupler Board - Blue PCB Design, Compatible With Arduino, Arduino Components,Electronic Components,Diy
Temu US
$11.96
$11.99
6Pcs 2-Channel 5V Relay Module With Optocoupler Board - Blue PCB Design, Compatible With Arduino, Arduino Components,Electronic Components,Diy
Temu US
$735.00
SPDT Failsafe DC To 26.5 Ghz Electro-Mechanical Relay Switch, 90W, 12V, SMA
Pasternack
$735.00
SPDT Failsafe DC To 26.5 Ghz Electro-Mechanical Relay Switch, 90W, 12V, SMA
Pasternack
$6.70
$11.07
2Pcs 5V 4-Way Relay Optocoupler - Easy Install Multi-Scenario Use, SPST Pole & Throw Configuration, Quick Connect, 5 Volt Relay,5V Relay Module,
Temu US
1
39% off
$6.70
$11.07
2Pcs 5V 4-Way Relay Optocoupler - Easy Install Multi-Scenario Use, SPST Pole & Throw Configuration, Quick Connect, 5 Volt Relay,5V Relay Module,
Temu US
$1,490.00
SP6T Normaly Open DC To 26.5 Ghz Electro-Mechanical Relay Switch, TTL, Up To 90W, 12V, 2m Lifecycles, Suppression Diodes, Indicators, SMA
Pasternack
$1,490.00
SP6T Normaly Open DC To 26.5 Ghz Electro-Mechanical Relay Switch, TTL, Up To 90W, 12V, 2m Lifecycles, Suppression Diodes, Indicators, SMA
Pasternack
$2.59
$22.00
5V/12V Relay Module With Optical Isolation - Dual Level Trigger, High-Power Output, Fault Design, Solid, 12 Volt Relay,Diy Electronics,Arduino
Temu US
88% off
$2.59
$22.00
5V/12V Relay Module With Optical Isolation - Dual Level Trigger, High-Power Output, Fault Design, Solid, 12 Volt Relay,Diy Electronics,Arduino
Temu US
$23.99
24 Pcs 5V Relay Module One Channel Switch With Optocoupler And Opto Isolation, Compatible With High And Low Level Triggers, 19.69 X 10.24 X 7.09
Amazon.com
20
$23.99
24 Pcs 5V Relay Module One Channel Switch With Optocoupler And Opto Isolation, Compatible With High And Low Level Triggers, 19.69 X 10.24 X 7.09
Amazon.com
$6.99
Velleman Vma313 Arduino Compatible Hall (Holzer) Magnetic Switch Module (2 Pcs)
Walmart
Free shipping
$6.99
Velleman Vma313 Arduino Compatible Hall (Holzer) Magnetic Switch Module (2 Pcs)
Walmart
$18.88
5V 12V 16 Channel Relay Module Smart Expansion Board W/ Optical Coupler Control Wifi Relay Output 16-Way Relay Modul For Arduino
Walmart
Free shipping
$18.88
5V 12V 16 Channel Relay Module Smart Expansion Board W/ Optical Coupler Control Wifi Relay Output 16-Way Relay Modul For Arduino
Walmart
$10.99
NOYITO 2-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch (2-Channel Micro USB)
Amazon.com
17
$10.99
NOYITO 2-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch (2-Channel Micro USB)
Amazon.com
$199.00
Arduino Opta Wifi [AFX00002] - Industrial Iot Controller With Wi-Fi Connectivity, Digital I/O, Analog Inputs, And Modbus Support For Automation And
Amazon.com
9
Free shipping
$199.00
Arduino Opta Wifi [AFX00002] - Industrial Iot Controller With Wi-Fi Connectivity, Digital I/O, Analog Inputs, And Modbus Support For Automation And
Amazon.com
$2,490.00
SP4T NO DC To 26.5 Ghz Electro-Mechanical Relay Switch, TTL, 90W, 12V, 2m Lifecylces, Suppression Diodes, Indicators, SMA
Pasternack
$2,490.00
SP4T NO DC To 26.5 Ghz Electro-Mechanical Relay Switch, TTL, 90W, 12V, 2m Lifecylces, Suppression Diodes, Indicators, SMA
Pasternack
$2,940.00
SPDT, Terminated, Electromechanical Relay Failsafe Switch, DC To 53Ghz, 28VDC, Solder Terminal, 2.4mm
Pasternack
$2,940.00
SPDT, Terminated, Electromechanical Relay Failsafe Switch, DC To 53Ghz, 28VDC, Solder Terminal, 2.4mm
Pasternack
$2,490.00
SP4T NO DC To 26.5 Ghz Electro-Mechanical Relay Switch, TTL, 90W, 28V, 2m Lifecycles, Suppression Diodes, Indicators, SMA
Pasternack
$2,490.00
SP4T NO DC To 26.5 Ghz Electro-Mechanical Relay Switch, TTL, 90W, 28V, 2m Lifecycles, Suppression Diodes, Indicators, SMA
Pasternack
$3,230.00
SPDT, Terminated, Electromechanical Relay Latching Switch, DC To 53Ghz, 28VDC, Indicators, TTL, Diodes, Solder Terminal, 2.4mm
Pasternack
$3,230.00
SPDT, Terminated, Electromechanical Relay Latching Switch, DC To 53Ghz, 28VDC, Indicators, TTL, Diodes, Solder Terminal, 2.4mm
Pasternack
$1,620.00
75 Ohm A/B Coaxial Electromechanical Relay Switch, DC To 1 Ghz, 10W, 12V, BNC
Pasternack
$1,620.00
75 Ohm A/B Coaxial Electromechanical Relay Switch, DC To 1 Ghz, 10W, 12V, BNC
Pasternack
$550.00
Transfer Failsafe DC To 18 Ghz Electro-Mechanical Relay Switch, 90W, 28V, 2m Lifecycles, SMA
Pasternack
$550.00
Transfer Failsafe DC To 18 Ghz Electro-Mechanical Relay Switch, 90W, 28V, 2m Lifecycles, SMA
Pasternack
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Shop Arduino for Relays and Switches

Sponsored
About our ads
$15.99
Dafurui 5V Relay Module - 8 Pack 1 Channel Relay Board With Optocoupler, High/Low Level Trigger For Arduino
Amazon.com
76
$15.99
Dafurui 5V Relay Module - 8 Pack 1 Channel Relay Board With Optocoupler, High/Low Level Trigger For Arduino
Amazon.com
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
179
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
$64.00
ARDUINO ABX00004 - Components & Relay PC Board Mount Supplies
Radwell.com
$64.00
ARDUINO ABX00004 - Components & Relay PC Board Mount Supplies
Radwell.com
$114.00
ARDUINO ABX00020 - Components & Relay PC Board Mount Supplies
Radwell.com
$114.00
ARDUINO ABX00020 - Components & Relay PC Board Mount Supplies
Radwell.com
$39.00
ARDUINO A100053 - Components & Relay PC Board Mount Supplies
Radwell.com
$39.00
ARDUINO A100053 - Components & Relay PC Board Mount Supplies
Radwell.com
$41.00
ARDUINO A000052 - Components & Relay PC Board Mount Supplies
Radwell.com
$41.00
ARDUINO A000052 - Components & Relay PC Board Mount Supplies
Radwell.com
$25.00
ARDUINO TSX00005 - Components & Relay PC Board Mount Supplies
Radwell.com
$25.00
ARDUINO TSX00005 - Components & Relay PC Board Mount Supplies
Radwell.com
$31.00
ARDUINO TSX00003 - Panel Accessories & Relay/Socket Supplies
Radwell.com
$31.00
ARDUINO TSX00003 - Panel Accessories & Relay/Socket Supplies
Radwell.com
$100.99
16 Channel I2c Interface Electromagnetic Relay Module For Arduino R...
eBay
Free shipping
$100.99
16 Channel I2c Interface Electromagnetic Relay Module For Arduino R...
eBay
$45.00
ARDUINO A000053 - Components & Relay PC Board Mount Supplies
Radwell.com
$45.00
ARDUINO A000053 - Components & Relay PC Board Mount Supplies
Radwell.com
$204.82
Relay Switch SRD-05VDC-SL-C ( Use With Arduino, TTL, Pi, DIY Projects)
eBay.com
Free shipping
$204.82
Relay Switch SRD-05VDC-SL-C ( Use With Arduino, TTL, Pi, DIY Projects)
eBay.com
$207.40
5V/12V/24V 1 2 Channel Solid State Relay Module DC-DC Arduinos Raspberry Pi PIC
eBay.com
$207.40
5V/12V/24V 1 2 Channel Solid State Relay Module DC-DC Arduinos Raspberry Pi PIC
eBay.com
$1,580.00
SP4T, IP64 Rated Electromechanical Relay Normally Open Switch, DC To 18Ghz, 90W, 28VDC, SMA
Pasternack
$1,580.00
SP4T, IP64 Rated Electromechanical Relay Normally Open Switch, DC To 18Ghz, 90W, 28VDC, SMA
Pasternack
$8.15
10Pcs 5V One Channel Relay Module Relay Switch With Isolation High Low Level Trigger Compatible With Arduino ARM AVR
Temu US
58
$8.15
10Pcs 5V One Channel Relay Module Relay Switch With Isolation High Low Level Trigger Compatible With Arduino ARM AVR
Temu US
$104.34
Relay Switch SRD-05VDC-SL-C ( Use With Arduino, TTL, Pi, DIY Projects)
eBay.com
Free shipping
$104.34
Relay Switch SRD-05VDC-SL-C ( Use With Arduino, TTL, Pi, DIY Projects)
eBay.com
$110.47
A16 Esp32 Esp Tasmota Diy Module Arduino Wifi Relay Switch Mqtt Rs485
eBay
Free shipping
$110.47
A16 Esp32 Esp Tasmota Diy Module Arduino Wifi Relay Switch Mqtt Rs485
eBay
$6.26
$40.26
2Pcs 4-Channel 5V Relay Module With Optocoupler Compatible With Arduino R3 MEGA 2560 DSP ARM PIC AVR, Arduino Components,Diy Electronics,Electronic
Temu US
3
84% off
$6.26
$40.26
2Pcs 4-Channel 5V Relay Module With Optocoupler Compatible With Arduino R3 MEGA 2560 DSP ARM PIC AVR, Arduino Components,Diy Electronics,Electronic
Temu US
$9.30
16-Channel 12V Relay Module Board For Arduino DSP AVR PIC ARM, Microcontroller Relay, Automation Projects, Compact Design, Professional Board,
Temu US
17
$9.30
16-Channel 12V Relay Module Board For Arduino DSP AVR PIC ARM, Microcontroller Relay, Automation Projects, Compact Design, Professional Board,
Temu US

  • Top 5 Best Arduino Relays - Our #1 Pick Will Surprise You

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