Liangshan School Electronic Keyboard Expansion Board

Design of Electronic Keyboard Expansion Board Based on LCSC Liangshanpai:


1. Objective: To become familiar with the development process of embedded projects and master the ability to design a game console hardware circuit, software programming, and system debugging.


2. Function Introduction:

Implements I2C display of current information; (to be implemented later, already driven. Unsure of its use yet)
Implements 23-button control;
includes sound output functionality;

3. Skills Acquired:
     Hardware Development Ability

: Learns embedded project circuit analysis skills and how to understand schematic diagrams;
gains basic skills in component selection and datasheet reading;
learns schematic and PCB design skills, cultivating independent project design thinking;
understands the design of I2C screens, PWM audio circuits, etc.;
masters the use of instruments such as multimeters, oscilloscopes, signal generators, and student power supplies, possessing basic circuit analysis skills;
masters the use of tools such as soldering irons and hot air guns, possessing component soldering and hardware debugging skills, becoming a new generation of "soldering masters";

     Software Development Ability:

Understands the basic functions and peripherals of GD32, and gets started with GD32 project development;
understands audio encoding formats and implements audio output;
understands the I2C protocol and OLED driver principles, and implements screen driving;
masters interface creation;
understands the basic working principles of audio;
masters embedded software development, code reading, and bug debugging methods and techniques;