Designed by Namnam in Vietnam, the ESP32 Modbus gateway is built to communicate with PLCs and industrial sensors over Modbus ...

If you want to get started with motion sensors and the like, ESPHome makes it incredibly easy to build your own sensors.

Since it’s a YAML file, you’ll want to set up the correct indentation for it. Be sure to update the Wi-Fi credentials inside the configuration file before flashing the new code to the ESP32.

You'll also find a course that teaches you how to program ESP32 without traditional coding. By the end of these courses, total beginners will know how to use microcontrollers with confidence.

It’s all the stuff you’d find incorporated on a little dev board, without the ESP32, so while it’s nothing earth-shattering it’s also a neat and useful little addition to your arsenal.

After an introduction that includes a crash course in C programming basics, users get training in how to connect Arduino boards with ESP32 for full web connectivity.

Take the ESP32-CAM, a board that started appearing on the market in early 2019. On paper, the thing is amazing: an ESP32 with support for a camera and an SD card, all for less than $10.