3-Channel Relay Module for Raspberry Pi, GPIO Relay Expansion HAT, 5A 250V AC / 30V DC Load Support, Opto-Isolated, Onboard Indicator LEDs, for Smart Home Automation & DIY Projects
3-Channel Relay Module for Raspberry Pi, GPIO Relay Expansion HAT, 5A 250V AC / 30V DC Load Support, Opto-Isolated, Onboard Indicator LEDs, for Smart Home Automation & DIY Projects
3-Channel Relay Module for Raspberry Pi, GPIO Relay Expansion HAT, 5A 250V AC / 30V DC Load Support, Opto-Isolated, Onboard Indicator LEDs, for Smart Home Automation & DIY Projects
- ✅ GPIO Relay Expansion HAT for Raspberry Pi: Compatible with Raspberry Pi 5/4/3/Zero, this relay HAT allows control of high-voltage devices through GPIO, perfect for DIY smart automation projects.
- ✅ Supports AC/DC Loads up to 5A: Equipped with three high-quality relays, each capable of switching up to 5A at 250V AC or 30V DC, ideal for controlling lights, motors, or other appliances.
- ✅ Opto-Isolated Design for Safety: Built-in photo coupling isolation helps prevent voltage spikes and interference from damaging your Rasp-berry Pi or other low-voltage systems.
- ✅ Status Indicator LEDs for Each Relay: Visualize the relay activity in real-time with onboard LEDs, making it easier to test and monitor during development or operation.
- ✅ Flexible GPIO Mapping & Sample Code: Features jumper settings to remap relay control pins. Includes development resources with code examples for Python, Shell, WebIOPi, and more.
| Brand: | SEENGREAT |
|---|---|
| Manufacturer: | SeenGreat |
| Part Number: | 631SF4M |
| Product Dimensions: | 4.72 x 2.76 x 1.18 inches; 3.52 ounces |
| Isin: | IUE4HUF5ZCR6 |
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This 3-Channel Relay Expansion HAT is a powerful GPIO-based control module designed for use with Rasp-berry Pi boards, including Raspberry Pi 5, 4B, 3B+, and Zero. It allows your
Pi to switch and control high voltage or high current loads, making it the ideal interface for smart home projects, automation systems, or industrial control applications.
Each of the three onboard relays supports up to 5A at 250V AC or 30V DC, capable of safely driving devices like fans, lights, solenoid valves, or pumps. The board follows the standard
40-pin GPIO header layout, offering simple integration with any Rasp-berry Pi model.
To protect your Pi and other connected low-voltage hardware, the module includes photo coupling isolation (opto-isolators) between the relay circuit and GPIO pins. This design shields
your board from potential voltage surges, electromagnetic interference, or other high-voltage-related hazards.
Each relay comes with a dedicated status LED, allowing you to monitor ON/OFF states in real time, which is especially helpful for debugging and live project tracking. Additionally, the HAT
includes relay control jumpers, giving users the option to remap relay control to custom GPIO pins based on project needs.
The module comes with sample code and development resources, including support for Python, wiringPi, shell scripts, WebIOPi, and bcm2835, enabling fast and flexible software integration.
Whether you’re automating your home lighting, building a robotic control unit, or developing a remote switching solution, this 3-channel relay HAT for Raspberry Pi provides reliable
performance, safety, and versatility for all your GPIO-based power control tasks.
Package Contents
1. 3-CH-Relay HAT x 1
2. RPi screws pack (2pcs) x 1
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