M5 Power Hub
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Specifications
- SoC: ESP32-S3-WROOM-1U-N16R2
- PSRAM: 2MB
- Flash: 16MB
- Wi-Fi: 2.4GHz
- Wireless Antenna: SMA Internal Threaded
Hole - Dimensions: 88.0 x 56.0 x 38.5 mm
Product Usage Instructions
Quick Start
Preparation
- Visit the official Arduino website and install the Arduino IDE
from here. - Add the following Board Manager URL to File → Preferences →
Additional Boards Manager URLs:
https://espressif.github.io/arduino-esp32/package_esp32_dev_index.json - Open the Boards Manager, search for ESP32, and click
install. - After installation, select the board ESP32S3 DevModule.
- Configure the following options:
1. USB CDC On Boot: Enabled
2. USB Mode: Hardware CDC and JTAG
Wi-Fi Test
- Select the example program Examples → WiFi → WiFiScan.
- Choose the port corresponding to your device, and click the
compile and upload button in the top-left corner. - After uploading is complete, open the Serial Monitor to view
Wi-Fi scan information.
BLE Test
- Select the example program Examples-BLE-Scan.
- Choose the port corresponding to your device, and click the
compile and upload button in the top-left corner. - After uploading is complete, open the Serial Monitor to view
BLE scan information.
Frequently Asked Questions (FAQ)
Q: What are the main interfaces integrated into PowerHub?
A: PowerHub integrates two HY2.0-4P interfaces (supporting I2C +
UART), one RS485 communication interface, and one CAN bus
communication interface.
Q: What applications is PowerHub suitable for?
A: PowerHub is designed for applications like industrial
automation control, smart home hubs, and IoT edge devices.
Q: How do I ensure FCC compliance when using PowerHub?
A: To ensure FCC compliance, follow the guidelines provided in
the user manual, such as reorienting or relocating the receiving
antenna, increasing separation between equipment and receiver, and
consulting a professional if needed.
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PowerHub
1. Description
PowerHub is an integrated programmable power management controller.
It features the ESP32-S3-WROOM-1U-N16R2 as its main control unit, equipped with a dual-core Xtensa LX7 processor running at 240MHz and supporting 2.4GHz Wi-Fi.
An integrated co-processor, the STM32G031G8U6, works with multiple INA226 voltage/current sensor ICs and electronic switching circuitry. This enables precise power management for multiple expansion interfaces and provides system-wide low-power wake-up capability.
The controller integrates two HY2.0-4P interfaces (supporting I2C + UART), one RS485 communication interface, and one CAN bus communication interface, facilitating easy connection to various sensors and actuators.
It includes both USB-A and USB Type-C ports. Leveraging the ESP32-S3’s USB OTG peripheral, these ports support both USB Host and Device functionality.
Designed for applications like industrial automation control, smart home hubs, and IoT edge devices, the PowerHub provides developers with a stable and reliable core control solution.
2. Specifications
Specification SoC PSRAM Flash Wi-Fi
Wireless Antenna
Dimensions
Parameters ESP32-S3-WROOM-1U-N16R2, with Xtensa® 32-bit LX7 dual-core processor (max 240MHz CPU frequency)
2MB
16MB
2.4 GHz Specifications15 x 14MM SMA Internal Threaded Hole Frequency2.4 GHz Gain-6.41 dBi VSWR (Voltage Standing Wave Ratio)1.8
88.0 x 56.0 x 38.5 mm
3. Quick Start
3.1 Preparation
1. Visit the official Arduino website and install the Arduino IDE https://www.arduino.cc/en/Main/Software
2. Add the following Board Manager URL to File Preferences AdditionalBoards Manager URLs:
https://espressif.github.io/arduino-esp32/package_esp32_dev_index.json
3.Open the Boards Manager, search for “ESP32” ,and click install.
4.After installation, select the board “ESP32S3 DevModule”.
5.Configure the following options: 1. USB CDC On Boot: “Enabled” 2. USB Mode: “Hardware CDC and JTAG”
3.2 Wi-Fi Test
Select the example program “Examples” “WiFi” “WiFiScan”, choose the port corresponding to your device, and click the compile and upload button in the top-left corner. After uploading is complete, open the Serial Monitor to view Wi-Fi scan information.
3.3 BLE Test
Select the example program “Examples”-“BLE”-“Scan”, choose the port corresponding to your device, and click the compile and upload button in the top-left corner. After uploading is complete, open the Serial Monitor to view BLE scan information.
FCC Warning
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Any Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
-Reorient or relocate the receiving antenna.
-Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
-Consult the dealer or an experienced radio/TV technician for help.
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body.
Documents / Resources
 | M5STACK M5 Power Hub [pdf] User Manual M5POWERHUB 2AN3W, M5POWERHUB 2AN3W, m5powerhub, M5 Power Hub, M5, Power Hub, Hub |