If you are looking for an easy Human Machine Interface (HMI) then this Nextion display is for you. It provides controls and visualization.

QUICK SPECS:

• 320 x 240 Resolution
• Compatible with Raspberry Pi 4 and Raspberry 3B+
• RGB 65K true to life color
• TFT Screen with integrated 4-wire Resistive Touch Panel 
• Easy 4 pin interface to any TTL Serial Host
• 4M Flash memory for User Application Code and Data 
• On board micro-SD card for firmware upgrade 
• Visual Area LxW: 36.72mm x 48.96mm
• Adjustable Brightness: 0~180 nit, the interval of adjustment is 1% 
• 5V 90mA power consumption
• Generic using for all Arduino or Raspberry Pi project
• CE/EMC, RoHS certified (certificates)