LAFVIN Audio Display HAT for Raspberry Pi with 1.69-inch Color Display Screen Audio + Display Expansion Board

Introduction：
Audio Display HAT is an audio display expansion board designed for Raspberry Pi multimedia interaction and embedded development. It integrates a 1.69-inch color display, WM8960 audio codec chip, dual MEMS microphones, speaker, RGB LED, and programmable physical buttons.
The expansion board uses a standard 40PIN GPIO interface, integrating display, recording, audio playback, and button interaction functions on one compact circuit board. It can be used for desktop information terminals, voice interaction devices, mini game consoles, and other Raspberry Pi multimedia projects.

Features：
1.Color IPS display: Features an onboard 1.69-inch IPS LCD with a resolution of 240×280, supporting 262K color display for clear and detailed images.
2.Equipped with a WM8960 audio codec chip, which transmits audio data through the I2S interface and performs function configuration through the I2C interface, supporting dual-microphone audio capture and speaker audio playback.
3.Dual MEMS microphones: Features two onboard AOS3729A-T42-NXC analog MEMS microphones for voice capture and recording.
4.Speaker output: Equipped with an onboard speaker, while also providing an external speaker connection interface and an audio switching switch to meet different audio playback requirements.
5.RGB status indication: Features an onboard RGB LED that can be programmatically controlled to display different colors for operating status indication and lighting effects.
6.Programmable physical buttons: Features onboard physical buttons for interactive operations such as program triggering, function switching, and game control.
7.Standard Raspberry Pi interface: Uses a 40PIN GPIO interface for plug-and-play operation.
8.Quick installation and configuration: Provides supporting drivers, installation scripts, and example programs to help users quickly complete display and audio function configuration.\
9.Rich multimedia examples: Covers image and animation display, audio recording and playback, button detection, and RGB light control, enabling users to experience the main functions right out of the box.\
10.Multi-function coordinated development: Supports coordinated operation of the screen, microphones, speaker, buttons, and RGB LED, facilitating the development of voice terminals, players, and interactive games.\
11.Python-friendly development: Onboard functions can be controlled using Python, with intuitive and easily modifiable code, suitable for teaching, prototype verification, and personalized application development.

Functions：
1.Image, text, and animation display.
2.Device status and graphical interface display.
3.Dual-microphone audio capture and recording.
4.Speaker audio playback.
5.RGB LED color control.
6.Physical button status reading and function triggering.
7.Audio and video interactive application development.

Application Scenarios：
1.Embedded education: Used for learning Raspberry Pi GPIO, SPI display, I2C control, and I2S audio communication.
2.Voice interaction terminals: Uses dual microphones, a speaker, and a display to build interactive devices with recording, playback, and status display functions.
3.Desktop information display: Used to display time, weather, network status, system information, and custom notifications.
4.Portable multimedia devices: Used to develop compact audio players, animation players, and multimedia interactive terminals.
5.Mini game projects: Combines the display, physical buttons, RGB LED, and speaker to develop interactive games.
6.Smart home control terminals: Uses the screen, buttons, lights, and sound to display device status and enable interactive control, and can connect to custom services through network capabilities.

Learning Resources：
The open-source ecosystem is well established, with abundant community resources.
Provides comprehensive programming implementation guidance

Package Contents：
Audio Display HAT  x1

Specifications：
Product Name：Audio Display HAT
Host Interface：40PIN GPIO
Input Power Supply：5V (powered through the Raspberry Pi GPIO interface)
Display Size：1.69 inches
Display Resolution：240×280
Display Driver Chip：ST7789
Display Communication Interface：4-wire SPI
Audio Codec Chip：WM8960
Microphone Model：AOS3729A-T42-NXC
Number of Microphones：2
Audio Output：Onboard 8Ω 1W speaker
Communication Protocol：SPI, I2C, I2S
Product Dimensions：6.5CM*3CM*1.2CM
Product Weight：0.04kg
Package Dimensions： 13*8*2.5cm

Precautions：
1.Please turn off the Raspberry Pi power supply before installing or removing the Audio Display HAT.
2.Please ensure the 40PIN GPIO interface is correctly oriented during installation to avoid misaligned connections.
3.Do not drop, bend, or apply excessive pressure to the display.
4.It is recommended to hold the edges of the PCB during installation and avoid pressing directly on the display.
5.The display of this product does not have touch functionality.
6.Please prevent liquids, metal foreign objects, and other conductive materials from coming into contact with the circuit board.