Optocoupler / Light‑Coupled Relay Modules
Explore our Optocoupler / Light-Coupled Relay Modules in the Relay Modules category to achieve safe, reliable, and noise-free signal switching for your electronic projects. These modules use optical isolation to separate low-voltage control circuits from high-voltage loads, ensuring excellent protection against surges, interference, and electrical noise.
Whether you’re working on industrial automation, sensor interfacing, home automation, or microcontroller-based designs, optocoupler relay modules deliver enhanced stability and long-term performance.
At Pixel Electric, we offer a wide range of high-quality optocoupler and light-coupled relay modules compatible with Arduino, Raspberry Pi, ESP boards, and other development platforms. Our collection is designed to support seamless switching, fast response time, and improved safety standards in both DIY and professional applications.
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SOLD OUT
12V 8-Channel Relay Module
diymore
KES650.00Specification: Size: 13.5 x 5.3 x 1.7cm (LxWxH) Working voltage: 12V Channel: 8 channel This relay module is 12V active low. It is an 8-channel relay interface board, which can be controlled directly by a wide range of microcontrollers...- SKU:
- PECRM46
KES650.00 -
12V 4-Channel Relay Module DC 5V with Optocoupler
diymore
KES600.00This is ready breakout board with four (4) 5V activated relays, with 3 screw terminals for each relay (NO, NC, COM) and screw terminals for control signal from microcontroller such as Arduino. Each control signal is opto-isolated, protected. It even...- SKU:
- PERCA28
KES600.00 -
SOLD OUT
XH-M131 12V Photo-resistor Relay Module
Autonics
KES350.00Product DescriptionThe threshold can be adjusted by potentiometer to set the relay startInput: 5V/12V DCNormally closed ( NC )Size: 30MM*53MMBLUE LED ON: Relay is workingModule output terminal has three portsNormally open ( NO )Common terminal ( COM...- SKU:
- PEFST45
KES350.00 -
SOLD OUT
5V 1 Channel Relay with Optocoupler Module
Dikavs
KES150.00Description: Normally open interface maximum load: AC 250V/10A, DC 30V/10A. SMD optocoupler isolation, strong driving capability, stable performance; trigger current 5mA. Fault-tolerant design, the relay will not move even if the control line is...- SKU:
- PERDFT18
KES150.00 -
SOLD OUT
5V Relay 1 Channel Relay Module
diymore
KES150.00Description:Trigger mode: High level5V relay moduleCan be used for microcontroller development board module or home appliance control5V - 12V TTL control signalCan control DC or AC signal, also 220V AC loadNormally open / closed contactPower...- SKU:
- PERCA25
KES150.00 -
SOLD OUT
5V 4 Channel Relay Module
diymore
KES550.005V Relay Module 4-ChannelThis is a 5V 4-Channel Relay interface board.Be able to control various appliances, and other equipments with large current.It can be controlled directly by Micro-controller (8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic) .5V...- SKU:
- PECRM55
KES550.00 -
5V 16 Channel Relay Module
diymore
KES1,500.00This is a 5V 16 Channel Relay Module with Light Coupling LM2576 Power Supply, Be able to control various appliances and other equipment with a large current. It can be controlled directly by Micro-controller (Arduino, 8051, AVR, PIC,...- SKU:
- PECRM93
KES1,500.00 -
12V 16 Channel Relay Module
diymore
KES1,500.00This is a 12V 16 Channel Relay Module with Light Coupling LM2576 Power Supply, Be able to control various appliances and other equipment with a large current. It can be controlled directly by Micro-controller (Arduino, 8051, AVR, PIC,...- SKU:
- PECRM84
KES1,500.00 -
SOLD OUT
5V 8-Channel Relay Module
diymore
KES550.00Specification: Size: 13.5 x 5.3 x 1.7cm (LxWxH) Working voltage: 5V Channel: 8 channel This relay module is 5V active low. It is an 8-channel relay interface board, which can be controlled directly by a wide range of microcontrollers such...- SKU:
- PECRM44
KES550.00 -
SOLD OUT
5V 2 Channel Relay Module
diymore
KES300.00Feature: The relay contact capacity 250V 10ARelay outputs normally open, normally closed Active low5V relay signal input voltage range: 0-5V VCC system powerJD-VCC power relayDefault 5V relayJD-VCC and VCC shorted on itPackage included:1 x 2...- SKU:
- PECCR55
KES300.00