These are the projects I recommend building instead of just buying something off the shelf.

It's amazing what you can do with an ESP32 (or two).

Home automation with high usefulness and low annoyance tends to rely on reliable person sensing, and [francescopace]’s ESPectre shows one way to do that cheaply and easily by leveraging hardware ...

Ever wanted to make your own wireless chemical sensor? Researchers from the University of California, Irvine (UC Irvine) have got you covered with their ESP32-based potentiostat. We’ve talked about ...

Can an ESP32 detect people without cameras or motion sensors? Discover how Wi-Fi signal disturbances, CSI, and smart DSP enable real-time occupancy and mov ...

Soon to be launching via Crowd Supply is a powerful ESP32 based IR/RF remote taking the form of the aptly named ESP360 Remote. The small open source hackable IR and RF remote features 9 IR LEDs and an ...