If you were on the fence about ESP32, these projects will get you started in no time ...

The Texas Instruments TLA20xx family are some of the smallest high-performance 12-bit sigma-delta analog-to-digital converters available, with an integrated voltage reference and programmable gain ...

I purchased one of each of these cheap sensors recently from aliexpress for testing purposes. Compared with the ubiquitous HC-SR04 (*), I liked the idea of having a combined emitter/receiver, i.e.