If you are interested in deploying LoRa — the low power long-range wireless technology — you might enjoy [Rui Santos’] project and video about using the ESP32 with the Arduino IDE to implement LoRa.
If you are searching for a quick yet fantastic little project to keep you busy you might be interested in this fantastic Arduino Nano ESP32 based color handheld console created by the Volos Projects ...
The ESP32 does everything a Pi Pico does, but costs less and lasts 100x longer on batteries ...
If you use the Arduino IDE to program the ESP32, you might be interested in [Andreas Spiess’] latest video (see below). In it, he shows an example of using all three ESP32 UARTs from an Arduino ...