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The Following Modules Are Needed
- STONE STVC050WT-01 touch screen serial port display module
- STM32F103RC development board
- Pressure acquisition module
- ADC conversion module
The Contents Displayed Are As Follows:
- Display the weight of the items currently placed on the tray through the STONE display module.
- The user can perform three operations, namely: peeling, changing units, and zeroing.
Electronic scale module purchased through the online mall
It is mainly divided into two parts, one of which is the HX711 quasi-replacement module.
One is the pressure sensor module.
The effect after these two parts are connected can refer to the following picture.
STONE STVI050WT-01 Display Module Description
In this project, I used the touch screen serial port display of STONE STVC050WT-01 as the user interface.
This STONE display has been integrated with the driver chip, and the upper computer can be used by users, users only need to design UI images through the computer to add buttons, text box and then generate configuration files to download to the display screen can be run.
The display screen of STVC050WT-01 communicates with MCU through the UART-TTL signal, and the UART of STM32 MCU also happens to be at TTL logic level, so the STONE display screen and STM32 can directly communicate with UART.
In addition, the official website of STONE also sells the serial touch display that supports the uart-232 logic level. When using the display screen that supports uart-232, we only need to add a MAX232 chip to do the logic level conversion, and then we can communicate with the SCM.
If the level conversion is too troublesome, other types of display screens can be used. Some models can output uart-ttl signal directly.
The website has detailed information and introduction: https://www.stoneitech.com/
If you want to use the video tutorial and tutorial, you can also download the official website.
