Overview Nextion is a seamless Human Machine Interface HMI solution that provides a control and visualization interface between a human and a process machine application or appliance Nextion is mainly applied to Internet of thing IoT or consumer electronics field It is the best solution to replace the traditional LCD and LED Nixie tube Nextion includes a hardware part a series of TFT boards and a software part the Nextion editor The Nextion TFT board uses only one serial port to communicate It lets users avoid the hassle of wiring We noticed that most engineers spend much time in application development but get unsatisfactory results As a solution to this situation Nextion editor has mass components such as button text progress bar slider instrument panel etc to enrich the interface design Furthermore the drag and drop function ensures that users spend less time in programming which will reduce 99 of their development workloads With the help of this WYSIWYG editor designing a GUI is a piece of cake Its easy to adapt Nextion family HMI to existing projects Users just need to provide it a UART NX3224T028 is a powerful 2 8 HMI which is member of Nextion family Features include a 2 8 TFT 320x240 resistive touch screen display 4M Flash 2KByte RAM 65k colors Features 320 x 240 ResolutionRGB 65K true to life coloursTFT Screen with integrated 4 wire Resistive Touch Panel Easy 4 pin interface to any TTL Serial Host4M Flash memory for User Applicatio