optocoupler 5v best sellers

#1 4pcs DC 5V Relay Module AEDIKO 4pcs DC 5V Relay Module - 1 Channel Relay Switch Board with Optocoupler Isolation, High or Low Level Trigger

$6.99 on Amazon

#2 2pcs 5V 30A One Channel HiLetgo 2pcs 5V 30A One Channel Relay Module Optocoupler Isolation High and Low Trigger 5V

$9.99 on Amazon

#3 DC 5V Relay Module 1 Channel Valefod DC 5V Relay Module 1-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger, Pack of 10

$12.99 on Amazon

#4 1 Channel PC817 Optocoupler NOYITO 1-Channel PC817 Optocoupler Isolation Module Optoelectronic Isolator Signal Isolation and Anti-Interference 3-5V 12V 24V (Pack of 2) (3-5V)

$6.99 on Amazon

#5 Optocoupler Isolation DONGKER Optocoupler Isolation Board,DC 3.3V 5V PNP NPN 8-Channel Signal Converter Opto Voltage Isolation Module

$13.99 on Amazon

#6 IR Infrared Slotted Optical Teyleten Robot IR Infrared Slotted Optical Optocoupler Module Speed Measuring Sensor 3.3V to 5V Photo Interrupter Sensor for Arduino 10pcs

$9.99 on Amazon

#7 3Pcs 1Channel AC Optocoupler JESSINIE 3Pcs 1Channel AC Optocoupler Module 220V Voltage Detect Optocoupler Isolation Microcontroller TTL Level 3V-5V

$9.95 on Amazon

#8 6pcs PC817 1 Channel AOICRIE 6pcs PC817 1 Channel Optocoupler Isolation Module 1CH Optocoupler PC817 3-5V 12V 24V Photoelectric Isolator PNP NPN Signal Converter Rail Holder PLC Drive Motor Board

$9.99 on Amazon

#9 🔥 AC 220V Optocoupler Module HiLetgo AC 220V Optocoupler Module AC Optocoupler Alternating Current Detect Module 3-5V or PLC 24V Level Power for PLC MCU(8 Channel)

$12.99 on Amazon

#10 1Pc Green 1 Channel PC817 BWESOO 1Pc Green 1-Channel PC817 Optocoupler Isolation Module Optoelectronic Isolator Signal Isolation and Anti-Interference 3-5V 12V 24V Optocouplers Optoelectronic Products(3-5V)

$5.88 on Amazon

#11 🔥 AC 220V Optocoupler Module HiLetgo AC 220V Optocoupler Module AC Optocoupler Alternating Current Detect Module 3-5V or PLC 24V Level Power for PLC MCU(3 Channel)

$9.99 on Amazon

#12 🔥 24 Pcs 5v Relay Module Kigeli 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 Inches

$23.99 on Amazon

#13 🔥 2pcs 5V 30A 2 Channel DIANN 2pcs 5V 30A 2-Channel Relay Module High Low Level Trigger with Optocoupler Isolation Load for PLC Automation Equipment Control Industrial Control

$13.99 on Amazon

#14 5Pcs 1 Channel 5V Relay EC Buying 5Pcs 1 Channel 5V Relay Module with Optocoupler Isolation Supports High or Low Level Trigger 1-Way 5V Red Board Expansion Board

$7.99 on Amazon

#15 🔥 ​KEAcvise 4 Pack 5V 1 Channel ​KEAcvise 4-Pack 5V 1-Channel Relay Module - Optocoupler Isolated High/Low Level Trigger Switch for Arduino/Home Automation/Industrial Control/IoT Devices (4-Pack)​

$9.98 on Amazon

#16 4 pcs DC 5V 1 Channel CHENBO 4 pcs DC 5V 1 Channel Relay Module Board Shield High/Low Level Trigger with Optocoupler

$8.49 on Amazon

#17 16 Channel Relay Board WWZMDiB 16 Channel Relay Board Low Level triggering Optocoupler Isolation Compatible with for Arduino Raspberry Pi ESP32 STM (5V)

$14.99 on Amazon

#18 Optocoupler Isolation DONGKER Optocoupler Isolation Board,DC 3.3V 5V PNP NPN 8-Channel Signal Converter Opto Voltage Isolation Module Driver Photoelectric Isolated Module

$21.99 on Amazon

#19 2 Channel DC 5V Relay SunFounder 2 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi

$6.79 on Amazon

#20 5v Relay Module，8Pack DaFuRui 5v Relay Module，8Pack 1 Channel Relay Module 5v Relays Board with Optocoupler Support High/Low Level Trigger for Arduino Relays

$15.99 on Amazon