Living Water for ESP32: Handwriting Font and Morphing

The author shares their experience in creating visually appealing clocks based on the ESP32 microcontroller with a 320x240 display. The focus is on aesthetics: time, temperature, and city names are rendered using a handwritten font based on Bézier curves. The project's highlight is the smooth morphing animation of digits and weather icons, which gives the interface a 'living' feel. The article details the technical implementation of stroke rendering and the mathematical approaches to transforming objects within the limited resources of a microcontroller. Although such animation is not a functional necessity, it demonstrates the potential of graphical programming in embedded systems, turning a standard device into an art piece. The article is useful for developers interested in creating custom graphical interfaces for ESP32 and optimizing visual effects on microcontrollers.