This videos shows an email client app running on a STM32F434 from STMicroelectronics, ARM Cortex-M4 @168MHz. This board is equipped with a 32-bit 640×480 LCD display.

The Java platform was designed with the MicroEJ IDE that includes a UI library, the Board Support Package, Keil RTX. It supports the ChromART from ST and transparency.

Some key figures:

  • Java virtual machine: 28KB flash, 1.5 KB RAM
  • 4% CPU load with 4 layers


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Additional Resources

Alexa-Compatible Smart Home


Alexa-Compatible Smart Home Demo on the STM32F748

STM32U5 Smartwatch GUI


Live Demo: Smartwatch GUI demo on the STM32U5 MCU Powered by VEE Wear

Smartwatch Demo STM32


Smartwatch GUI demo running on a STM32L4R9 Discovery Board