ESP32 chips have quite a few great features over an RP2040 (no idea on the nRF) – off the top of my head, more RAM (native PSRAM support too), more ADCs, WiFi/BLE built-in, touch scanning built-in.

The demo code for [XTronical]’s ESP32-based SD card music player is not even 40 lines long, though it will also require a few economical parts before it all works. Nevertheless, making a micr… ...

The ESPHome 2025.6.0 open-source firmware was released on June 18, 2025, with ESP32-P4 support and an initial OpenThread ...