M5STACK ATOM HUB AC/DC Remote Control Switch Kit

The M5STACK ATOM HUB AC/DC Remote Control Switch Kit is a compact IoT-enabled relay control module designed for industrial automation, smart home applications, and remote device switching. Electronics engineers, automation technicians, and IoT developers use this kit to create wireless control systems for AC and DC loads up to specified amperage ratings. This product solves the critical challenge of remotely managing high-power electrical devices through a low-power microcontroller interface, eliminating the need for manual intervention and enabling intelligent automation workflows.

Product Overview

The M5STACK ATOM HUB AC/DC Remote Control Switch Kit integrates M5STACK's compact ATOM microcontroller with dual relay modules capable of handling both AC and DC switching applications. The kit operates on the principle of electromagnetic relay actuation, where low-voltage logic signals from the ATOM processor trigger relay coils to mechanically switch high-power circuits. The ATOM controller features built-in WiFi and Bluetooth connectivity, allowing remote command transmission via mobile applications or cloud platforms. This modular architecture enables rapid prototyping of industrial control systems without requiring extensive electrical engineering expertise.

What distinguishes this kit is its dual-voltage capability, supporting both AC mains switching (typically up to 250V) and DC load control (up to 48V), making it versatile for diverse applications from household appliances to industrial machinery. The relay contacts provide galvanic isolation between control circuits and load circuits, ensuring safety and preventing ground loop issues. The compact form factor of the ATOM processor combined with stackable hub design allows integration into space-constrained installations. Built-in protection features include relay contact ratings, thermal management, and surge suppression, making this kit suitable for professional deployment in mission-critical automation scenarios.

Key Specifications

Specification	Details
Product Type	IoT Remote Control Switch Kit with Relay Module
Brand	M5STACK
Microcontroller	M5STACK ATOM (ESP32-PICO-D4)
Relay Channels	Dual Channel (2x Relays)
AC Voltage Rating	250V AC Maximum
DC Voltage Rating	48V DC Maximum
Relay Contact Rating	10A per channel
Connectivity	WiFi 802.11 b/g/n, Bluetooth 4.2
Operating Temperature	0°C to 40°C
Origin	Original/Authentic
Warranty	7 days on manufacturing defects
Shipping	1-5 days from Bengaluru
Delivery	7-8 days across India
Support	24/7 via Email and WhatsApp

Key Features

• Dual Relay Switching: Two independent relay channels enabling simultaneous control of multiple AC/DC loads with 10A contact rating per channel for industrial-grade switching applications
• WiFi and Bluetooth Connectivity: Built-in ESP32 processor with dual wireless protocols allowing remote control via smartphone apps, web dashboards, or cloud IoT platforms without additional communication modules
• Galvanic Isolation: Relay-based switching provides complete electrical isolation between control circuits and high-power load circuits, preventing ground loops and ensuring personnel safety
• Compact Stackable Design: M5STACK modular form factor enables integration with other M5STACK components and sensors for rapid prototyping of complex automation systems in space-constrained installations
• Wide Voltage Range: Supports both AC mains (250V) and DC loads (48V) from a single kit, eliminating the need for separate AC and DC control modules in hybrid power systems
• Low-Power Control Logic: Operates on 5V logic levels, compatible with standard microcontroller GPIO outputs and industrial PLC interfaces for seamless system integration

Applications and Use Cases

• Smart Home Automation: Control AC air conditioning units, water heaters, and lighting systems remotely through WiFi-enabled mobile applications, enabling energy management and scheduling in residential environments
• Industrial Machine Control: Manage conveyor belt motors, pump systems, and industrial equipment switching with 10A relay capacity, integrating with factory automation networks and SCADA systems
• Solar Power Systems: Switch DC loads in off-grid solar installations, controlling battery charging circuits and load distribution in renewable energy systems up to 48V DC
• Laboratory Equipment Control: Automate test bench setups by remotely controlling power to various instruments and devices, enabling unattended testing protocols and data acquisition workflows
• Building Management Systems: Integrate into HVAC control systems, emergency lighting circuits, and facility management networks for centralized monitoring and automated switching based on occupancy or environmental sensors
• IoT Prototyping: Serve as a foundation for IoT projects requiring wireless relay control, supporting rapid development of smart device prototypes with minimal hardware design complexity

How to Use

Begin by connecting the M5STACK ATOM HUB to your computer via USB cable for initial firmware setup and configuration. Install the M5STACK Arduino IDE extension and upload the provided example sketches to establish WiFi connectivity and relay control logic. Configure your WiFi credentials through the serial monitor or web interface, then pair the device with your smartphone using the M5STACK mobile application or a custom app developed through the UIFlow visual programming platform. Test relay operation by sending control commands through the app interface, verifying that both relay channels activate correctly with audible clicking sounds.

For AC load switching, connect your AC appliance to the relay output terminals using appropriate gauge wiring rated for the load current, ensuring proper grounding and following local electrical codes. For DC applications, connect the positive and negative terminals of your DC load to the corresponding relay contacts, respecting polarity and maximum voltage ratings. Implement safety interlocks in your control software to prevent dangerous switching sequences, and consider adding external fuses or circuit breakers for additional load protection. Monitor relay performance through the application dashboard, logging switching events for troubleshooting and maintenance planning. For production deployments, encapsulate the kit in an appropriate IP-rated enclosure and implement redundant control mechanisms for critical applications.

Frequently Asked Questions

Can the M5STACK ATOM HUB control both AC and DC loads simultaneously?

Yes, the kit features two independent relay channels, allowing simultaneous control of one AC load and one DC load, or two separate loads of the same type. Each relay operates independently with its own GPIO pin, enabling flexible load management in hybrid power systems. The relay contacts are rated for both AC and DC operation, though AC applications typically require the use of appropriate contact materials to prevent arcing.

What is the maximum current capacity of each relay channel?

Each relay channel is rated for a maximum continuous current of 10A, suitable for controlling standard household appliances and light industrial equipment. For loads exceeding 10A, consider using external contactor relays controlled by the M5STACK outputs, or implementing multiple units in parallel with load distribution logic.

How do I program custom control logic and integrate with third-party platforms?

The M5STACK ATOM runs Arduino-compatible C++ code and supports the UIFlow visual programming environment for non-programmers. You can integrate with MQTT brokers, REST APIs, and cloud platforms like AWS IoT or Google Cloud IoT using the built-in WiFi capabilities. The open-source community provides extensive libraries and examples for popular IoT platforms, enabling rapid integration with home automation systems like Home Assistant or Node-RED.

Is the kit suitable for outdoor or harsh industrial environments?

The base kit is rated for 0-40°C operating temperature and standard indoor environments. For outdoor or harsh industrial deployment, you must house the kit in an appropriate IP65 or higher rated enclosure with temperature control. Consider adding conformal coating to PCBs for moisture protection and selecting industrial-grade relay modules with enhanced contact materials for extended lifespan in demanding conditions.

When will I receive my order?

Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.

What is your return and warranty policy?

We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.

Are bulk discounts available?

Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.

Why Buy from The Engineer Store

• Genuine Products: Sourced directly from authorized distributors with authentication
• Expert Team: Our technical team validates every product before listing
• Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
• Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
• Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
• Technical Support: 24/7 expert guidance via email and WhatsApp
• Returns: 7-day return policy on manufacturing defects only

Buy M5STACK ATOM HUB AC/DC Remote Control Switch Kit Online in India

Purchase the M5STACK ATOM HUB AC/DC Remote Control Switch Kit online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on M5STACK ATOM HUB AC/DC Remote Control Switch Kit with fast shipping and expert support.

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