"32Pi_Zero" - Development board based on STM32F103+ESP

I. Project Introduction:
Design a low-cost IoT development board with rich peripherals for teaching purposes. The board will be designed and developed using CUBE, combined with embedded operating systems such as FreeRTOS, to enable users to become familiar with bus and peripheral development.
II. System Features
: Main Control Chip: STM32F103C8T6;
WIFI Module: ESP12S (ESP8266 core)



; Functional
Peripherals : GPIO 4, LED
External Interrupt 4, KEY, PWM, BUZZ , I2C, OLED, U8G2, SSD1306 , I2C, EP2ROM, AT24C02 , SPI, Flash, LittleFS , W25Q16 Timer, Infrared Receiver (IR), ADC , Photoresistor, AUX, UART , WIFI , Arduino Development, ESP-12S (ESP8266) , GPIO, Digital Tube, Serial Data Transmitter (74HC595). III. Physical Demonstration . IV. Precautions: This system is powered by a Type-C interface, with a power supply voltage limit of 5V. V. Demo Videos: Various tutorials will be uploaded to Bilibili later: https://space.bilibili.com/26064574?spm_id_from=333.1007.0.0 VI. Open Source Repository : https://gitee.com/watsonhuang/32pizero