Very strange indeed. Even the popular Nordic Bluetooth nRF has a built-in small microcontroller that can be used for limited signal processing standalone witho

Very strange indeed. Even the popular Nordic Bluetooth nRF has a built-in small microcontroller that can be used for limited signal processing standalone without the help from external processor. They might as well get rid of the ARM core and use only the more powerful ESP32-S3 as the main dual core or alternatively the open source RISC-V single core with the ESP32-C3. This should drive the overall price and power consumption even further. It is what it is, and the connected R4 version with Wi-Fi module is considered a more "premium" version of the Uno.