188 yuan, no network required, DIY open source AI-Box to run DeepSeek /Qwen /Gemini large models offline!

Good news for DIY enthusiasts! 188 yuan to build an open source AI-Box that does not require an Internet connection, runs large models offline, and has powerful functions!
Core content:
1. AI-Box is based on the Taishanpai RK3566 development board, and supports offline operation of large models such as DeepSeek/Qwen/Gemini
2. Rich hardware configuration, including OLED display, AHT10 sensor, microphone, speaker, etc., supports maximum 2.1A current output
3. The software is based on Linux+Python 3.8, supports Vosk+Ollama+espeak-ng framework, and the model weight can be flexibly changed
AI-Box offline DeepSeek smart assistant is based on the Taishanpai RK3566 development board. It is an AI large model box that can run locally offline , control lights through voice, obtain weather, fortune, stock information, etc., without API and payment, and supports mainstream small parameter large model deployment, such as DeepSeek-R1/Qwen/Gemini, etc.
Product Features
Power supply: This project uses IP5306 lithium battery charging and discharging integrated chip, which can provide a maximum current output of 2.1A. Expand IO: The function realization depends on the IO port control provided by Taishanpi. Here we define the pins to be used.
Anti-reverse connection: Since Taishan School's DC-DC 3.3V has high requirements for input voltage, the input voltage cannot be lower than 4.5V, so MOS tubes and transistors are used here to achieve anti-reverse connection instead of diodes.
Switch control: A MOS-driven switch circuit is also designed in the circuit to help drive the LED with a larger current.
Expansion interface: Expand the UART serial port to facilitate the use of offline language module to connect to other main controllers.
Expansion module: The module uses OLED module and AHT10 module, and then leads out microphone and speaker through the audio interface.
Buttons: Brings out 3 buttons for interacting with the screen.
Hardware Configuration
Taishanpai RK3566 board, built-in WIFI function, remote control via AP mode
The screen supports 0.96-inch SSD1306/SSD1315 driven OLED display, which can display expressions, dialogue feedback, weather and other related information
The IP5306 integrated charging and discharging power chip is used to provide a maximum output of 2.1A to power Taishan Pai
The AHT10 high-precision temperature and humidity sensor is selected to obtain temperature and humidity information in real time.
The electret microphone can be used to obtain environmental audio information in real time.
Select 8R1W speakers to provide audio output.
Adopt MOS tube switch circuit to support driving higher power LED light board.
It adopts anti-reverse connection circuit and can be powered by Type-C interface.
Software Parameters
The AI-Box offline DeepSeek smart assistant is based on the Linux system environment and other software packages. It cannot be run using the code alone. It is also necessary to deploy the environment according to the tutorials provided in the online documentation.
The system is based on Ubuntu 20.04
The environment is Python 3.8
The software framework is Vosk+Ollama+espeak-ng
The model weight is DeepSeek-R1 1.5B/Qwen2 0.5B
After the model weights are downloaded, you can flexibly change the open source large language model by changing the model name.
System Flowchart
AI-Box Offline DeepSeek Intelligent Assistant System Flowchart
Circuit Diagram
PCB board