ESP32-WROOM32 and ESP32-WROVER is certified module from Espressif. It can be installed and sell in some countries.
Below is ESP32-WROOM32.
And some development kits are on sales. Below is ESP32-DevKitC from Espressif.
The difference between ESP32-WROOM32 and ESP32-WROVER is memory size.
Install obnizOS for ESP32 to your ESP32-WROOM32 or WROVER and apply a license. Then you can control its IOs from the internet.
See obnizOS quick start.
Circuit for Starter “obniz Board” is available on Amazon and other online stores.
You can get it at below
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