Their earliest draft of an ESP32 module, called the ESP3212, has been scrapped and replaced with the ESP-32S, with a pinout that’s identical to Espressif’s WROOM32, according to [Angus Gratton ...

At its core, the ESP32 chip is not much more than an integrated circuit, a huge mass of transistors sealed inside an epoxy resin package with some leads. Of course, most of us won’t buy discr… ...