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Overview

Aotenjo Master is a control hub designed to work with Aotenjo One, providing advanced features and capabilities for complex automation tasks. It is ideal for applications requiring multiple motor control and extensive connectivity options.

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Key Features​

  • Centralized Motor Control: Effortlessly manage and send commands to multiple individual motor control boards (e.g., Aotenjo One units) across a CAN bus (up to 1Mbps).
  • PC Connectivity & Command: Connect directly to your PC via USB Type-C to send motor commands, data, and receive feedback, streamlining your development and operation.
  • Powerful Microcontroller: Driven by the versatile STM32G431CB (170MHz, 128KB Flash, 32KB RAM), providing robust processing capabilities for complex control logic.
  • Extensive Peripheral Support: Integrate a wide array of sensors and components with 2x SPI, 2x I2C, and 2x UART interfaces, perfect for advanced system integration.
  • Onboard VCC Voltage Measurement: Monitor the voltage levels of connected components for enhanced system diagnostics.
  • Intuitive User Feedback: Equipped with multiple user-configurable LEDs (Blue, Green, Red, Yellow) and dedicated user buttons for easy status indication and interaction.
  • Simplified Power Distribution: Easily power downstream motor controller boards (like Aotenjo One) directly from the Master via a dedicated JST XH output, simplifying wiring for daisy-chained setups.

Technical Specifications​

MCU: STM32G431CBU6 (170MHz, 128KB Flash, 32KB RAM)

CAN Transceiver: SN65HVD230 (3.3V operation)

Voltage Input: 8-35v (via terminal block KF301-2P for main power to Aotenjo Master)

Communication Interfaces:

  • CAN: 1x JST PH connector (up to 1Mbps)
  • USB: 1x USB Type-C port (for PC communication)
  • SPI: 2x interfaces
  • I2C: 2x interfaces
  • UART: 2x interfaces
  • Power Output for Motor Controllers: JST XH x 1 connector (for powering downstream Aotenjo One or other compatible boards, enabling daisy-chain power distribution)

User Interface: 2x User Buttons, 1x NRST Button (can be configured as user button)

Indicators: 1x Blue LED, 1x Green LED, 1x Red LED, 1x Yellow LED, 1x Red Power Indicator LED

Mounting: 4 x M3 holes

Important Notes

To program this board, you will need an ST-LINK V2 Clone (or compatible programmer).