12V 4-Channel Optocoupler Relay Module
Price: 126.0
Allows microcontrollers to safely control multiple high-voltage AC or DC devices. Designed with optocoupler isolation for improved protection and stable performance, this relay board is ideal for Arduino, ESP32, Raspberry Pi, PIC, AVR, home automation, robotics, and industrial control projects. Features: 4 independent relay channels Built-in optocoupler isolation for protection Stable and reliable switching performance LED status indicators for each relay Easy interface with microcontrollers Durable PCB design for long-term use Specifications: Operating Voltage: 12V DC Channels: 4 Channel Trigger Type: Low Level Trigger (varies by model) Relay Capacity: 10A 250V AC 10A 30V DC Isolation: Optocoupler Protection Interface: Digital Control Signal Application: Home automation, motor control, lighting systems, IoT, robotics, industrial automation