The ESP32 is Espressif’s new wonder-chip, and one of the most interesting aspects of its development has been the almost entirely open-source development strategy that they’re taking. But the “almost” ...

[Nicholas Murray]’s Composite Test Pattern Generator is a beautifully-made, palm-sized tool that uses an ESP32-based development board to output different test patterns in PAL/NTSC. If one is checking ...

CRT test pattern generator built on M5StickC PLUS2 outputs PAL/NTSC composite patterns, making quick on-site CRT checks easy ...

Human-machine interface technology (HMI) has made great strides in the last 10-15 years: until the early 2000s color screens and touchscreens on embedded devices (the very first handheld phones, then ...