[pataga] took on the challenge to drive a LCD of unknown provenance ... peripheral to drive a small LED display without placing load on the CPU. Using the ESP32’s I2S peripheral in parallel ...
[publidave] wanted a simple wireless display for a bluetooth cycling cadence sensor, and soon found himself deep down the rabbit hole of Micropython and Bluetooth Low Energy on the ESP32.
The ESP32 Rainbow is a small computer with a built-in touch keyboard, an integrated display, and a design that’s inspired by the Sinclair ZX Spectrum, with a keyboard layout and rainbow stripe ...