I have tested the XIAO ePaper DIY Kit (ESP32-S3) - EE04 from Seeed Studio in depth. While its 6-color Spectra 6 display is impressive out of the box, I wanted to see if software could overcome hardware limitations. In this post, I’ll share how I’ve pushed this hardware to its limits by using dithering techniques to simulate an entirely new range of color tones and shades. Hardware Analysis The hardware is composed of two elements. The first one is the controller board. It features several push buttons, an ON/OFF switch and a charging circuit to power the device via battery and charge it through the USB connector. The main components are an ESP32-S3 Plus and two flat cable connectors (24-pin and 50-pin) to…