SKU: IOWC-1533
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M5Stack ATOM HUB AC/DC Remote Control Switch Kit

₹2,539.00 (Inclusive of all taxes)
Out of Stock

The M5Stack ATOM HUB Switch Kit is a programmable remote control switch for the M5ATOM platform, integrating dual relays for AC/DC load control, an RS485 interface with Modbus support, and a built-in AC-DC power supply for IoT automation via Wi-Fi, Bluetooth, or RS485.

Features

  • Integrates with M5ATOM Lite/Matrix for Wi-Fi & Bluetooth remote control of AC/DC loads up to 250V/10A via two onboard relays.
  • Built-in RS485 interface with SP485EE level converter supports Modbus protocol for industrial automation and daisy-chaining multiple units.
  • Onboard AC-DC step-down module supplies 5V/1A to the ATOM core with over-temperature and short-circuit protection for safe operation.
  • Includes HY2.0 port for I2C or GPIO expansion and comes with DIN rail mount, magnets, and all necessary connectors for flexible installation.

Out of stock

Description

The M5Stack ATOM HUB Switch is a compact, bi-directional control module designed to pair with the M5ATOM Lite or Matrix core. It serves as a robust interface for remotely switching AC or DC circuits, leveraging the ATOM’s wireless connectivity for smart home and industrial automation. The built-in AC-DC conversion circuitry provides clean 5V power to the microcontroller, while integrated protection mechanisms ensure operational safety.

Engineered for system integration, the board features an industrial-grade RS485 transceiver supporting 9-24V supply, enabling Modbus communication and network expansion. The dual relay outputs handle high inrush currents, making it suitable for controlling motors, lights, and solenoids. The kit’s comprehensive accessory set facilitates mounting on DIN rails, panels, or surfaces, providing a complete solution for deployable IoT switching nodes.

Key Features

  • Fully compatible with M5ATOM Lite and Matrix cores for rapid IoT prototyping and deployment.
  • Dual high-power relay outputs rated for AC 250V/10A (16A instantaneous) and DC 5V/1A switching.
  • Integrated RS485 interface with SP485EE level-conversion IC supports Modbus RTU for industrial sensor networks.
  • Onboard switching power supply converts AC 250V input to a regulated 5V/1A DC output for the ATOM core.
  • Includes HY2.0 (Grove-compatible) expansion port for connecting I2C sensors, displays, or general I/O peripherals.
  • Features short-circuit and thermal overload protection on the DC power supply circuit for enhanced system reliability.
  • Remote control capabilities via Wi-Fi (ESP32), Bluetooth, or wired RS485 serial communication for flexible integration.
  • Complete kit includes DIN rail mount, magnets, tape, plugs, and hardware for versatile field installation.

Applications

  • Smart Home Automation: Remote control of lighting, appliances, and HVAC systems via Wi-Fi or Bluetooth.
  • Industrial IoT (IIoT): Modular control node for motors, pumps, and solenoids using RS485 Modbus networks.
  • Energy Management: Switching and metering integration for distributed energy systems and load shedding.
  • Building Automation: DIN-rail mounted control panels for lighting and access control in commercial settings.

Technical Specifications

Core ControllerM5ATOM Lite (ESP32-PICO-D4)
Wireless ProtocolsWi-Fi 4 (802.11 b/g/n), Bluetooth 4.2 (BLE)
Relay RatingAC 250V / 10A (16A inrush), DC 5V / 1A
RS485 Supply Voltage9V to 24V DC
Power Supply InputAC 250V (converts to DC 5V/1A)
Interfaces2x Relay Output (3P HT3.96), 1x RS485 (4P HT3.96), 1x HY2.0 (Port A), AC Input Terminal
RS485 TransceiverSP485EE
Protection FeaturesShort-Circuit & Over-Temperature Protection
Operating TemperatureNot Specified
Dimensions (LxW)72mm x 40mm (PCB)
Weight134g

Frequently Asked Questions

How do I program the M5Stack ATOM HUB Switch for remote control?

Program the included M5ATOM Lite core using the Arduino IDE with the M5Stack library. You can write sketches to control the relays via Wi-Fi (using HTTP/MQTT), Bluetooth BLE, or by processing commands from the RS485 Modbus interface. The HY2.0 port can be used for additional sensor inputs to trigger switching logic.

What is the wiring procedure for the AC input and relay outputs?

Connect AC mains (up to 250V) to the designated HT3.96 3P input terminal. Wire your load (e.g., a lamp) between the relay's Common (COM) and Normally Open (NO) terminals using the provided 3P plugs. Ensure all high-voltage wiring is performed by a qualified electrician with the device powered off. The DC side powers the ATOM core internally.

Can I daisy-chain multiple ATOM HUB Switch units together?

Yes, you can network multiple units via the RS485 interface. Connect the A (Data+), B (Data-), and GND lines between units in a bus topology. Provide a common 9-24V power supply to the RS485 terminals. Then, use Modbus RTU protocol with unique slave addresses assigned to each board for centralized control from a master PLC or computer.

Package Includes

  • 1x ATOM SWITCH Control Board
  • 1x ATOM Lite Core (ESP32)
  • 4x Magnet
  • 1x Double-Side Tape
  • 1x DIN Rail Mount
  • 1x 3.96*4P Plug (for RS485)
  • 3x 3.96*3P Plug (for Relays & AC Input)
  • 1x M4 Hex Key
  • 1x M2 Hex Key
  • 2x M4x10mm Hexagon Countersunk Screws
  • 1x M2x20mm Hexagon Socket Cup Head Machine Screw

Additional Information

Weight 0.134 kg
Dimensions 7.2 × 4 cm