Aller au contenu principal

HA-AC7916AB

AI Chat Dev Board​

HA-AC791N Device Overview

Table of Contents​

  1. Introduction
  2. Specifications
  3. Quick Start Guide
  4. Hardware Guide
  5. Features in Detail
  6. Firmware
  7. Support
  8. Legal

1. Introduction​

Your Standalone AI Voice Assistant

The AI Chat Dev Board (HA-AC791N) is a standalone Wi-Fi-enabled AI voice assistant device designed for developers and AI enthusiasts. Unlike other devices in our lineup, the HA-AC791N connects directly to the internet via Wi-Fi and operates independently without requiring a smartphone app. Through advanced AI technology powered by ChatGPT, it provides intelligent voice interaction for prototyping, development, and practical applications.

1.1. Core Features Overview​

  • ✨ Standalone Operation: Connects directly to Wi-Fi - no smartphone or app required
  • 🤖 ChatGPT Integration: Direct connection to OpenAI's GPT models for intelligent conversation
  • 🎙️ Dual Activation Modes: Button press or wake word ("XiaojieXiaojie") activation
  • 🔧 Fully Customizable: Configure AI prompts, voice selection, and behavior via web interface
  • 🌐 Web-based Configuration: Easy setup through any web browser (Windows/MacOS/Android/iOS)
  • 🔊 Built-in Speaker: 1.5W speaker for clear audio feedback
  • 🎤 High-Quality Microphone: Captures voice commands accurately
  • 📡 OTA Updates: Support for both USB and web-based firmware updates
  • 🔋 Battery Powered: Rechargeable battery for portable operation
  • 💻 Developer Friendly: Ideal for prototyping and custom AI applications

2. Specifications​

The HA-AC791N is a standalone Wi-Fi-enabled AI voice assistant development board with direct ChatGPT integration, designed for developers and custom AI applications.

📦 What's in the box?

  • 1 × HA-AC791N Device
  • 1 × USB Cable
  • 1 × Battery (may require installation)
  • 1 × User Manual

📄 Technical Specifications:

FunctionParameter Details
Product ModelHA-AC791N
Product NameAI Chat Dev Board
ConnectionWi-Fi (IEEE 802.11 b/g/n, 2.4GHz only)
AI IntegrationDirect OpenAI API connection
Power SupplyRechargeable battery + USB power
Speaker1.5W built-in speaker
MicrophoneBuilt-in high-quality microphone
Button Controls5 physical buttons
ConfigurationWeb-based interface (192.168.1.1)
OTA UpdateUSB (Windows only) + Web OTA (all platforms)
Operating ModeStandalone (no app required)
Platform SupportWindows, macOS, Android, iOS (for configuration only)

3. Quick Start Guide​

Get started with your HA-AC791N in just a few simple steps.

Step 1: Unboxing & Power On​

  1. Take the HA-AC791N device, USB cable, and battery out of the package
  2. If the battery is not pre-installed, connect it to the device
  3. Connect the USB cable to charge the device if needed
  4. Press the power button to turn on the device
    • You should hear a startup sound
    • If not, try disconnecting and reconnecting the battery, then press the power button again

Step 2: Wi-Fi Configuration​

The HA-AC791N requires Wi-Fi connection to access AI services. Follow these steps to configure your Wi-Fi.

Important: This device only supports 2.4GHz Wi-Fi networks. 5GHz networks are not compatible.

Enter Configuration Mode​

  1. Press Button 4 to enter Wi-Fi configuration mode
    • If not working, disconnect the battery, reconnect it, and try again
  2. The device will create its own Wi-Fi hotspot

Connect to Device​

  1. On your computer or mobile device, open Wi-Fi settings
  2. Look for a network named HA-AC791XXXXXX (XXXXXX varies by device)
  3. Connect to this Wi-Fi network
  4. Open a web browser and enter 192.168.1.1 in the address bar
    • Alternatively, scan this QR code:

HA-AC791 QR Code

Configure Settings​

  1. You should see the configuration page:

HA-AC791 Configuration

  1. Click the config button to access the configuration page:

HA-AC791 Configuration

  1. Select Your Wi-Fi Network:

    • Choose your home or office Wi-Fi SSID from the list
    • Enter the Wi-Fi password

  2. Configure AI Settings:

    • API-KEY: A default API key is provided for testing. You can use your own OpenAI API key for production use
    • GPT_PROMPT: System prompt that defines AI behavior (customize for your specific use case)
    • GPT_SESSION_COUNT: Number of conversation turns the AI remembers for context
    • OPENAI_TTS_VOICE: Choose the AI voice from: alloy, echo, fable, nova, onyx, shimmer

  3. Click Save Config to save your settings

  4. The device will announce "Connecting" and attempt to connect to your Wi-Fi network

  5. If connection fails:

    • Verify your SSID and password are correct
    • Ensure you're connecting to a 2.4GHz network (not 5GHz)
    • Press Button 4 to re-enter configuration mode and try again

Step 3: Start Using​

Congratulations! Your device is now set up and connected to Wi-Fi. You can now begin using the AI chat features.

Two ways to interact:

  1. Button Press: Press Button 1 to start recording, press again to send to AI
  2. Voice Activation: Say "XiaojieXiaojie" (wake word) to activate

4. Hardware Guide​

4.1. Button Operations​

HA-AC791N Front

The HA-AC791N has 5 buttons for full control:

ButtonFunctionDetails
Button 1Recording ControlStart/Stop recording
Cancels current AI speech if playing
Button 2Volume UpIncrease speaker volume
Button 3Volume DownDecrease speaker volume
Button 4Wi-Fi ConfigurationEnter Wi-Fi configuration mode
Button 5USB Flash ModeLong press (3s) to enter USB update mode

Detailed Button Operations​

Button 1: Recording Control

OperationFunction
Single PressStart recording your voice
Press AgainStop recording and send to AI
During AI SpeechCancel current AI response

Button 2 & 3: Volume Control

OperationFunction
Single PressAdjust volume up/down

Button 4: Wi-Fi Configuration

OperationFunction
Single PressEnter Wi-Fi configuration mode

Button 5: USB Flash Mode

OperationFunction
Long Press (3s)Enter USB firmware update mode

4.2. Power Management​

Powering On:

  • Press the power button
  • You will hear a startup sound
  • If no sound, disconnect and reconnect the battery, then try again

Powering Off:

  • Press the power button
  • Device will shut down

Charging:

  • Connect the device to a power source via USB cable
  • Can be used while charging

Battery Disconnection:

  • If the device is unresponsive, try disconnecting and reconnecting the battery

5. Features in Detail​

5.1. AI Chat Modes​

The HA-AC791N supports two activation modes for interacting with the AI.

🎯 Button Press Mode​

How to use:

  1. Press Button 1 to start recording
  2. Speak your question or command
  3. Press Button 1 again to stop recording
  4. The recording will be sent to ChatGPT
  5. The AI response will play through the speaker

Use cases:

  • Precise control over when recording starts and stops
  • Noisy environments where wake word might trigger accidentally
  • When you want to ensure the device is listening

🎤 Voice Activation Mode​

How to use:

  1. Say the wake word: "XiaojieXiaojie" (pronounced: Shiao-jyeh Shiao-jyeh)
  2. The device will activate and start listening
  3. Speak your question or command
  4. Wait for the device to detect the end of your speech (automatic), OR
  5. Press Button 1 to manually stop recording
  6. The AI response will play through the speaker

Use cases:

  • Hands-free operation
  • Natural conversation flow
  • When buttons are not easily accessible

6. Firmware​

For detailed firmware update instructions and methods, please visit the dedicated firmware update page:

👉 View Firmware Update Guide for HA-AC791

7. Support​

7.1. FAQ (Frequently Asked Questions)​

Q1: Does the HA-AC791N need a smartphone app?

  • A: No! The HA-AC791N is a standalone device. It connects directly to Wi-Fi and works independently without requiring a smartphone or the Hearit.AI app.

Q2: What Wi-Fi frequencies are supported?

  • A: The device only supports 2.4GHz Wi-Fi networks. It does NOT support 5GHz networks. Please ensure your router has a 2.4GHz band enabled.

Q3: The device won't connect to Wi-Fi. What should I do?

  • A:
    • Verify you're using a 2.4GHz network (not 5GHz)
    • Check that the Wi-Fi password is correct
    • Ensure the Wi-Fi signal is strong where the device is located
    • Try disconnecting and reconnecting the battery
    • Re-enter configuration mode (Button 4) and try again

Q4: How do I know if the device is connected to Wi-Fi?

  • A: After configuration, the device will announce "Connecting" and then confirm connection status. You can also try asking the AI a question - if it responds, you're connected.

Q5: The device is not responding to the wake word. What should I do?

  • A:
    • Speak clearly at normal volume
    • Ensure you're saying "XiaojieXiaojie" correctly
    • Reduce background noise
    • Try using button press mode instead (Button 1)
    • Check that device is powered on and connected to Wi-Fi

Q6: Can I use the device while it's charging?

  • A: Yes, the HA-AC791N can be used while connected to USB power.

Q7: What languages does the AI support?

  • A: The HA-AC791N uses OpenAI's GPT models, which support multiple languages. However, speech recognition may work best with English and Chinese. You can customize language behavior through the GPT_PROMPT setting.

Q8: How do I update the firmware?

  • A: There are two methods:
    • USB Update (Windows only): Connect to PC, hold Button 5 for 3s, use firmware tool
    • Web OTA (all platforms): Press Button 4, access web page, click OTA, enter firmware URL

Q9: The device won't power on. What should I do?

  • A:
    • Try disconnecting and reconnecting the battery
    • Ensure the battery is charged by connecting USB cable
    • Press the power button firmly
    • If still not working, contact support

Q10: Can I use this device for commercial applications?

  • A: Yes, the HA-AC791N is designed as a development board and can be used for prototyping and commercial applications. Make sure to use your own OpenAI API key for production use.

7.2. Contact Us​

If you encounter any issues that cannot be resolved, or if you have any suggestions, please feel free to contact us through the following channels:

8.1. Disclaimer​

AI Service Responsibility:

This product's AI functions are powered by third-party large language models (OpenAI GPT). Our company does not assume any responsibility for the accuracy, completeness, or compliance of content generated by these AI services.

Recording Legality:

When using the recording function, users must strictly comply with local laws and regulations regarding audio recording. Users are solely responsible for any legal disputes arising from illegal recording activities.

Firmware Update Risks:

During firmware updates, any device damage or data loss caused by improper operation (such as power interruption during update, use of unofficial firmware, physical device damage, etc.) or failure to follow official guidelines is not covered under warranty.

API Usage Costs:

When using your own OpenAI API key, you are responsible for all API usage costs incurred by the device. Monitor your OpenAI account usage to avoid unexpected charges.

Development Device:

This device is designed as a development board for prototyping and custom applications. While suitable for production use, users should thoroughly test their specific use case before deployment.

8.2. Warranty Policy​

This product is provided with a limited warranty for a period of one (1) year from the date of purchase. This warranty does not cover damage caused by accidents, misuse, abuse, or unauthorized modifications. For detailed warranty terms, please visit our official warranty page.

Thank you for choosing HA-AC791N!

We are committed to continuously improving our products and services. Your feedback helps us make the HA-AC791N even better.

For the latest updates, tips, and tutorials, visit: