Holograms and holographic imagery are typically viewed within the frame of science fiction, with perhaps the most iconic examples being Princess Leia’s message to Obi-Wan in Star Wars, or the… ...

Using the ESP32’s I2S peripheral in parallel mode makes it possible to shift data out in the correct format to drive the LCD without bit-banging IO pins and using up precious CPU time.

The device comes powered by an ESP32-S3 processor and supports Wi-Fi 4 and Bluetooth 4.2. The larger E Ink panel serves as the primary display and is not backlit, which means it depends on the ...