Sensor application board based on STM32F103C8T6

# Project Introduction
The sensor application board based on STM32F103C8T6 is a sensor application board designed and developed based on the STM32F103C8T6 microcontroller of STMicroelectronics. It is mainly used to collect and process various environmental parameters. The application board has advanced sensor interfaces, rich communication interfaces and powerful data processing capabilities, and can be widely used in industrial automation, smart home and other fields.
# Hardware Composition
## The sensor module
application board supports various types of sensor interfaces, including temperature, water level, Hall, OLED, ultrasonic, gyroscope, etc. Users can access different types of sensors by plugging and unplugging these modules to meet the needs of various environmental parameter collection and processing.
![1683340957933.jpg] ![1683352598059.jpg] ## The Bluetooth communication module
application board supports the Bluetooth 4.0 standard and can communicate wirelessly with smartphones or other Bluetooth devices. Users can send the collected data to mobile devices through this module to achieve data monitoring and remote control.
![IMG_20230506_140656_edit_553570963065529.jpg] ## The interactive feedback
application board includes multiple LED indicators and buttons, which can be used for status monitoring and control operations. Users can use buttons to achieve manual control, or monitor sensor data collection according to the status of LED indicators.
![1683341241471.jpg] ## The relay interface
application board can be used to control the power on and off of external devices. Users can use this module to achieve remote control of external devices, such as home intelligence and other application scenarios.
![IMG_20230506_135009_edit_552570303060994.jpg] ## The USB download interface
application board can be used to download programs and debug. Users can download programs to the application board through the USB interface and debug and test them.
The CH340C chip is a low-cost, easy-to-use USB-to-serial port chip. It is widely used in microcontroller programmers, IoT devices, and various embedded systems. It is highly respected for its stability and reliability. As an open source hardware design, the USB download interface of the CH340C chip can be easily integrated into open source hardware projects to improve hardware development efficiency and reduce costs.
![IMG_20230506_105004_edit_542095846596968.jpg] # Software composition
According to the sensor category and the onboard interactive terminal, each program is modularized to facilitate subsequent development and transplantation.
The program has been uploaded to the attachment.
![image.png] # Physical display
![1683357281394.jpg] ![1683357544317.jpg]