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$5.99
NOYITO 1 Channel Relay Module With Isolated Optocoupler 5V 12V 24V High Low Level Trigger Module Triggered (Pack Of 3) (5V, Red)
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22
$5.99
NOYITO 1 Channel Relay Module With Isolated Optocoupler 5V 12V 24V High Low Level Trigger Module Triggered (Pack Of 3) (5V, Red)
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22
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
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205
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
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205
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
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76
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
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76
$10.97
8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
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102
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8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
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102
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
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199
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
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199
$17.95
JESSINIE 16 Channel 5V Relay Module With Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5
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6
$17.95
JESSINIE 16 Channel 5V Relay Module With Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5
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6
$9.97
JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
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$9.97
JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
Amazon.com
$13.99
AITRIP 2PCS 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger For Arduino
Amazon.com
136
$13.99
AITRIP 2PCS 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger For Arduino
Amazon.com
136
$5.99
NOYITO 9V 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Relay Load AC 0-250V 10A DC 0-30V 10A Circuit Switch Board
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6
$5.99
NOYITO 9V 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Relay Load AC 0-250V 10A DC 0-30V 10A Circuit Switch Board
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6
$9.99
NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger With Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 24V, Blue)
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28
$9.99
NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger With Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 24V, Blue)
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28
$9.06
Relay Way 30A Optocoupler Isolation Relay Module High Power Relay High/Low Level YYG-2(12VDC)
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29
$9.06
Relay Way 30A Optocoupler Isolation Relay Module High Power Relay High/Low Level YYG-2(12VDC)
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29
$6.62
JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
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$6.62
JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
Amazon.com
$9.99
4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
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8
$9.99
4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
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8
$11.39
Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
Amazon.com
36
$11.39
Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
Amazon.com
36
$30.99
5V USB-C UART Relay Module With Optocoupler Isolation, 220V 10A Load Control - Free USB-C & Dupont Cables
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$30.99
5V USB-C UART Relay Module With Optocoupler Isolation, 220V 10A Load Control - Free USB-C & Dupont Cables
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$13.99
EC Buying 5Pcs 12V Optocoupler Isolation Board Optoelectronic Isolator EL817 PC817 Card Rail Bracket Input 3-5 V Optocoupler Isolation Module 1
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$13.99
EC Buying 5Pcs 12V Optocoupler Isolation Board Optoelectronic Isolator EL817 PC817 Card Rail Bracket Input 3-5 V Optocoupler Isolation Module 1
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$104.95
Opto 22 240A25 AC Control Solid State Relay, 240 VAC, 25 Amp, 4000 V Optical Isolation, 1/2 Cycle Maximum Turn-On/Off Time, 25 - 65 Hz Operating
Amazon.com
6
Free shipping
$104.95
Opto 22 240A25 AC Control Solid State Relay, 240 VAC, 25 Amp, 4000 V Optical Isolation, 1/2 Cycle Maximum Turn-On/Off Time, 25 - 65 Hz Operating
Amazon.com
6
$9.99
1 Channel 12V Relay Module Board Shield With Optocoupler Support High/Low Level Trigger Compatible Relay(Pack Of 8) (12V)
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4
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1 Channel 12V Relay Module Board Shield With Optocoupler Support High/Low Level Trigger Compatible Relay(Pack Of 8) (12V)
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4
$13.99
AITRIP 8 Pack 3V 1 Channel Relay Power Switch Module With Optocoupler Opto Isolation High Level Trigger For IOT ESP8266 Development Board
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106
$13.99
AITRIP 8 Pack 3V 1 Channel Relay Power Switch Module With Optocoupler Opto Isolation High Level Trigger For IOT ESP8266 Development Board
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106
$34.89
$45.36
Opto 22 120D45 DC Control Solid State Relay, 120 VAC, 45 Amp, 4000 V Optical Isolation, 1/2 Cycle Maximum Turn-On/Off Time, 25 -
Equfinb
23% off
$34.89
$45.36
Opto 22 120D45 DC Control Solid State Relay, 120 VAC, 45 Amp, 4000 V Optical Isolation, 1/2 Cycle Maximum Turn-On/Off Time, 25 -
Equfinb
$11.39
Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger
Amazon.com
33
$11.39
Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger
Amazon.com
33
$123.00
Allen-Bradley 1769-OW8I Relay Output Module 8 Isolated Point, B
PLCHardware.com
$123.00
Allen-Bradley 1769-OW8I Relay Output Module 8 Isolated Point, B
PLCHardware.com
$112.80
PB16A OPTO 22 - Components & Relay PC Board Mount Supplies
Radwell.com
$112.80
PB16A OPTO 22 - Components & Relay PC Board Mount Supplies
Radwell.com
$55.47
Opto 22 Z120D10 Z Model DC Control Solid State Relay, 120 VAC, 10 Amp
Amazon.com
13
Free shipping
$55.47
Opto 22 Z120D10 Z Model DC Control Solid State Relay, 120 VAC, 10 Amp
Amazon.com
13
$14.99
ANMBEST 5PCS 2 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
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339
$14.99
ANMBEST 5PCS 2 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
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339
$11.66
ODC-5R OPTO 22 - Panel Accessories & Relay/Socket Supplies
Radwell.com
1
$11.66
ODC-5R OPTO 22 - Panel Accessories & Relay/Socket Supplies
Radwell.com
1
$71.99
Waveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits, Industrial-Grade, Rail-Mount Case
Amazon.com
Free shipping
$71.99
Waveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits, Industrial-Grade, Rail-Mount Case
Amazon.com
Free shipping
$26.00
G4ODC5R OPTO 22 - Panel Accessories & Relay/Socket Supplies
Radwell.com
$26.00
G4ODC5R OPTO 22 - Panel Accessories & Relay/Socket Supplies
Radwell.com
$18.83
MP120D4 OPTO 22 - Components & Relay PC Board Mount Supplies
Radwell.com
$18.83
MP120D4 OPTO 22 - Components & Relay PC Board Mount Supplies
Radwell.com
$24.44
DC60S3 OPTO 22 - Contactors & Starters & Solid State Overload/Relay Supplies
Radwell.com
4
$24.44
DC60S3 OPTO 22 - Contactors & Starters & Solid State Overload/Relay Supplies
Radwell.com
4
$298.00
Relay Output Module: 8-pt, 12-24 VDC/12-240 VAC (PN# F3-08TRS-1)
Automation Direct
$298.00
Relay Output Module: 8-pt, 12-24 VDC/12-240 VAC (PN# F3-08TRS-1)
Automation Direct
$15.28
IDC5D OPTO 22 - Panel Accessories & Relay/Socket Supplies
Radwell.com
$15.28
IDC5D OPTO 22 - Panel Accessories & Relay/Socket Supplies
Radwell.com
$96.53
Opto 22 240D45-17 | RELAY, AC SWITCHING, 45 A, SOLID-STATE, 3 VDC (PICK-UP), 1 VDC (DROP-OUT) | Solid State Relays | NULL
RS
$96.53
Opto 22 240D45-17 | RELAY, AC SWITCHING, 45 A, SOLID-STATE, 3 VDC (PICK-UP), 1 VDC (DROP-OUT) | Solid State Relays | NULL
RS
$45.00
120D5 OPTO 22 - Panel Accessories & Relay/Socket Supplies
Radwell.com
$45.00
120D5 OPTO 22 - Panel Accessories & Relay/Socket Supplies
Radwell.com
$22.50
Optocoupler Relay: 0.5A, SPST, 35mm DIN rail mount (PN# 52550)
Automation Direct
$22.50
Optocoupler Relay: 0.5A, SPST, 35mm DIN rail mount (PN# 52550)
Automation Direct
$61.00
Allen-Bradley 700-HLT1L1 Interposing/Isolation Relay, SPDT, A
PLCHardware.com
$61.00
Allen-Bradley 700-HLT1L1 Interposing/Isolation Relay, SPDT, A
PLCHardware.com
8-Channel 5V Relay Module
8-Channel 5V Relay Module
Sep 2, 2017
sainsmart.com
[SOLVED] Jumpers? - 3V 1 Channel Relay Power Switch Module
[SOLVED] Jumpers? - 3V 1 Channel Relay Power Switch Module
Feb 9, 2020
allaboutcircuits.com
Arduino Relay Module 2 ช่อง 5V สำหรับ Arduino
Arduino Relay Module 2 ช่อง 5V สำหรับ Arduino
Aug 27, 2020
allnewstep.com
Module 1 Relay Với Opto Cách Ly Kích H/L (5VDC)
Module 1 Relay Với Opto Cách Ly Kích H/L (5VDC)
Apr 27, 2020
nshopvn.com
Cyan Infinite | Controlling devices with the Opto-isolator Relay
Cyan Infinite | Controlling devices with the Opto-isolator Relay
Oct 5, 2016
cyaninfinite.com
3PCS Relay Module 12V DC 1 Channel Relay Optocoupler Isolation Switch Board with OPTO-Isolated Support High Or Low Level Trigger Board for Arduino X-002-1-12VDC
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ETH-MODBUS-IO16R PLC Modbus RTU Module
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$5.99
NOYITO 1 Channel Relay Module With Isolated Optocoupler 5V 12V 24V High Low Level Trigger Module Triggered (Pack Of 3) (5V, Red)
Amazon.com
22
$5.99
NOYITO 1 Channel Relay Module With Isolated Optocoupler 5V 12V 24V High Low Level Trigger Module Triggered (Pack Of 3) (5V, Red)
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22
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
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205
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
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205
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
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76
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
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76
$10.97
8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
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102
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8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
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102
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
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199
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ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
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199
$17.95
JESSINIE 16 Channel 5V Relay Module With Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5
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6
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JESSINIE 16 Channel 5V Relay Module With Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5
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6
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JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
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JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
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$13.99
AITRIP 2PCS 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger For Arduino
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136
$13.99
AITRIP 2PCS 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger For Arduino
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136
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NOYITO 9V 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Relay Load AC 0-250V 10A DC 0-30V 10A Circuit Switch Board
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6
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NOYITO 9V 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Relay Load AC 0-250V 10A DC 0-30V 10A Circuit Switch Board
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$9.99
NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger With Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 24V, Blue)
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28
$9.99
NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger With Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 24V, Blue)
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28
$9.06
Relay Way 30A Optocoupler Isolation Relay Module High Power Relay High/Low Level YYG-2(12VDC)
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29
$9.06
Relay Way 30A Optocoupler Isolation Relay Module High Power Relay High/Low Level YYG-2(12VDC)
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29
$6.62
JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
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$6.62
JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
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4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
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8
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4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
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8
$11.39
Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
Amazon.com
36
$11.39
Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
Amazon.com
36
$30.99
5V USB-C UART Relay Module With Optocoupler Isolation, 220V 10A Load Control - Free USB-C & Dupont Cables
Amazon.com
$30.99
5V USB-C UART Relay Module With Optocoupler Isolation, 220V 10A Load Control - Free USB-C & Dupont Cables
Amazon.com
$13.99
EC Buying 5Pcs 12V Optocoupler Isolation Board Optoelectronic Isolator EL817 PC817 Card Rail Bracket Input 3-5 V Optocoupler Isolation Module 1
Amazon.com
$13.99
EC Buying 5Pcs 12V Optocoupler Isolation Board Optoelectronic Isolator EL817 PC817 Card Rail Bracket Input 3-5 V Optocoupler Isolation Module 1
Amazon.com
$104.95
Opto 22 240A25 AC Control Solid State Relay, 240 VAC, 25 Amp, 4000 V Optical Isolation, 1/2 Cycle Maximum Turn-On/Off Time, 25 - 65 Hz Operating
Amazon.com
6
Free shipping
$104.95
Opto 22 240A25 AC Control Solid State Relay, 240 VAC, 25 Amp, 4000 V Optical Isolation, 1/2 Cycle Maximum Turn-On/Off Time, 25 - 65 Hz Operating
Amazon.com
6
$9.99
1 Channel 12V Relay Module Board Shield With Optocoupler Support High/Low Level Trigger Compatible Relay(Pack Of 8) (12V)
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4
$9.99
1 Channel 12V Relay Module Board Shield With Optocoupler Support High/Low Level Trigger Compatible Relay(Pack Of 8) (12V)
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4