Combo – Relay 4 Channel 5V for Arduino/Raspberry Pi (2 Pieces)

Power up your electronics projects with this Combo Pack of 4-Channel 5V Relays (2 Pieces), designed for Arduino, Raspberry Pi, ESP8266, ESP32, and microcontroller-based automation projects. These relays provide optimum switching control for AC and DC devices, making them ideal for home automation, robotics, IoT applications, and industrial control systems.

Each relay module allows low-power microcontrollers to control high-voltage electrical devices, including motors, solenoids, lamps, fans, and appliances. Featuring optocoupler isolation, these relays ensure stable performance and protection against voltage spikes. The onboard LED indicators make debugging and monitoring seamless.

🔹 Key Features:

✔ Dual Pack of 4-Channel Relays – Control multiple high-power devices.
✔ 5V Trigger Input – Compatible with Arduino, Raspberry Pi, ESP8266, and other MCUs.
✔ Optocoupler Isolation – Provides enhanced protection from voltage fluctuations.
✔ Supports AC & DC Loads – Works with home appliances, motors, solenoids, and lighting systems.
✔ Onboard LEDs for Status Indication – Visual feedback for easy debugging.
✔ Screw Terminals & Header Pins – Simple, secure wiring for fast prototyping.

⚡ Applications:

🔹 Home Automation – Automate lights, fans, door locks, and smart home appliances.
🔹 Industrial Control Systems – Manage motors, pumps, and solenoids with ease.
🔹 Robotics & IoT Projects – Control high-power actuators from Arduino and Raspberry Pi.
🔹 Smart Irrigation Systems – Switch pumps and solenoids remotely.
🔹 Security Systems – Power alarm circuits, buzzers, and sirens for safety applications.