Espressif, the company that makes the ESP-32 chip and its support firmware, is also making modules and development boards to support them. Their module is the ESP-WROOM32, is not just the first module ...

My first foray into the IoT utilized the Espressif ESP8266, an SoC with 32-bit MCU and 2.4-GHz Wi-Fi built in. Since then, I have used many different module variants based on the microcontroller. So ...