Bestgle✓OptocouplersBestgle 2 Pack 4-Channel Relay Module DC 12V with Optocoupler, Relay Board for Arduino UNO R3, MEGA R3, STM32, Raspberry Pi, DSP, ARM, PIC, AVR & Smart Home Projects$26.99View
sb components⏳Optocouplerssb components Home Automation HAT for Raspberry Pi, 2 Ch 5V Optocoupler EL357NC Smart Raspberry Pi Relay HAT Control up to 2 Devices$87.99View
DAOKAI⏳OptocouplersDAOKAI 2 Pcs PC817 4 Channel Optocoupler Isolation Module 3.6-30V Voltage Converter Driver Photoelectric Isolated Board for Control Relay with 24AWG Wire$51.99View
HALJIA✓OptocouplersHALJIA Electronic Switch Control Board Isolation MOS FET Pulse Trigger Switch Control Module DC Control MOS Field Effect Tube Optocoupler DC 5-36V Input Controlled Voltage$21.99View
Jeanoko⏳OptocouplersJeanoko 1 Channel Optocoupler Relay Module Stable High Low Trigger Isolated Strong Driving Ability 5mA for Circuits AC 250V/10A DC 30V/10A (12V)$23.99View
DONGKER⏳OptocouplersOptocoupler Isolation Board, 8CH Optocoupler Isolation Module DC 3.3V 5V 8-Channel PNP NPN Low High Level Output Signal Converter$33.99View
DONGKER⏳OptocouplersOptocoupler Isolation Module, 8CH Optocoupler Isolation Board DC 12V-24V 8-Channel NPN Low High Level Output Signal Converter$39.99View
Oumefar⏳OptocouplersOumefar High Low Trigger Expansion Board 5V/12V/24V Mini Optocoupler Relay 8 Channel LED Indicator for Electrical(5V)$30.99View
Oumefar✓OptocouplersLED Indicator Optocoupler Relay High Low Trigger Expansion Board 5V/12V/24V 4 channel Strong Driving Ability Industrial Electrical for Arduino(12V)$23.99View
DollaTek⏳OptocouplersDollaTek AC 220V Microcontroller TTL Level Optocoupler Isolation Module SCM Testing Board for PLC 1 Channel$15.99View
HUABAN⏳OptocouplersHUABAN 5V 8 Channel Optical Coupling Isolation Relay Module With Optocoupler For Arduino$47.99View
DollaTek⏳OptocouplersDollaTek 5Pcs 817 optocoupler 2-way voltage isolation board voltage control switching module$27.99View
Youmile✓OptocouplersYoumile 5Pcs Speed Measuring Sensor LM393 Speed Measuring Module Tacho Sensor Slot Type IR Optocoupler for MCU RPI Arduino DIY Kit with Encoders★★★★★4.2$39.99View
Regun⏳OptocouplersRelay Module, 8 Channel Relay Module Board, High Low Trigger Module With Optocoupler Isolation Supports, for Automation Equipment Control Industrial Control (24V)$26.99View
Hailege⏳OptocouplersHailege 3pcs TLP281 Optical Coupler Isolation Module 4 Channel Optical Coupler Isolation Module High/Low Level Expansion Board$22.99View
DONGKER⏳Optocouplers4 Bit Optocoupler Isolator Module,PLC Signal Level Voltage Converter Board Module (5V to 24V)$27.99View
DONGKER⏳Optocouplers4 Bit Optocoupler Isolator Module,PLC Signal Level Voltage Converter Board Module (12V to 3.3V)$30.99View
DONGKER⏳Optocouplers4 Bit Optocoupler Isolator Module,PLC Signal Level Voltage Converter Board Module (3.3V to 24V)$36.99View
DONGKER⏳Optocouplers4 Bit Optocoupler Isolator Module,PLC Signal Level Voltage Converter Board Module (24V to 5V)$26.99View
DONGKER⏳Optocouplers4 Bit Optocoupler Isolator, PLC Signal Level Voltage Converter Board Module (24V to 3.3V)$27.99View
Keenso⏳OptocouplersRelay Module, Low Power 5mA Trigger Multi-Voltage 5V 12V 24V Optocoupler Isolation Module 1 Channel AC DC for Home Automation Industrial Control DIY Electronics Automotive Projects$16.99View
HALJIA✓OptocouplersHALJIA PC817 4 Channel Optocoupler Isolation Board Voltage Control Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module PC 817★★★★★4.2$24.99View
YWBL-WH⏳Optocouplers4 Channel DC 5V Optocoupler Relay Board With High Low Level Trigger For Industrial PLC Automation Control System$24.99View
DollaTek⏳OptocouplersDollaTek PC817 4-Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module$15.99View
