5V 28BYJ-48 Stepper Motor + ULN2003 Controller Board(green/Blue)

The 2 Channel Relay Module enables independent control of two AC or DC loads using a microcontroller. Featuring optocoupler isolation, it ensures electrical safety and system stability. It’s ideal for projects that require simultaneous control of multiple devices such as fans, motors, and lights in automation systems. Features Dual-channel design for two load controls Optocoupler isolation for safe signal control Low-level trigger compatible with 5V logic Built-in relay status indicators Screw terminal connectors for secure wiring Applications Home and industrial automation Dual device control systems IoT projects Motor and lighting control Smart robotic control panels

The 6 Channel Relay Module is designed for complex control systems that require multiple device management. Featuring six optically-isolated relays, it provides safe and efficient switching for AC or DC loads. Commonly used in home automation and robotics, it enables full control of lighting, motors, and actuators via Arduino or other logic controllers. Features Six relay channels with optocoupler protection Compatible with 5V logic control signals High-quality relays with long service life LED indicators for all channels Easy wiring with screw terminals Applications Multi-zone home automation Robotic and industrial systems Smart IoT device management Motor and actuator control Automation panels