The ESP32 product family

Since the launch of the first ESP32 chip, Espressif Systems has extended the family with new designs for different purposes. They now have more than 200 different SoCs and modules in the inventory. Although it is impossible to discuss each of them one by one, we can talk about the ESP32 product family in general to understand their intended use cases. It is always a good idea to check what we need and what is available in the arsenal before starting a new IoT project.

There is an online tool on the Espressif website to find an SoC/module by filtering them based on selected features. You check the filter boxes, and the tool lists the hardware matching your requirements: https://products.espressif.com/#/product-selector

The following is a basic checklist for selecting an SoC/module:

• Performance requirements (core frequency, single/double core)
• Memory requirements (RAM, ROM)
• Embedded flash requirements
• Power requirements...