What are Human Machine Interfaces (HMI)?
HMI, in its simplest terms, includes any device or software that allows you to interact with a machine. Examples of HMI physical aspects could ba a machine with a touch display, a push button, a mobile device, or a computer with a keypad. 

What is the most natural way to operate a device? 
Usually, a graphical user interface (GUI) will help the operator to understand what is going in the system and how to control it. And the touch screen will help the operator to control the system. 

Introduction of TJC Usart HMI Panel.
This HMI panel is produced by Chinese manufacture. Using an offline IDE, the GUI of the display is designed in peace. The interact of HMI panels and devices is through Usart commands. The only disadvantage of the HMI Panel is the IDE is designed in Chinese and does not have an English version for now. If you like the English version, you can try Nextion Display which is like the English version of the same design. And if you want to use the cheap Chinese version. We can help you with GUI design at a reasonable price. 

TJC Usart HMI Panel

The simplest way to design a human interface. 

We can help you customize software design.