In creating this model, I inadvertently created the perfect WiFi antenna for an ESP8266 module using nothing but 3D printed parts, a bit of epoxy, and duct tape. Designing A Dish.

PCB antenna impaired by copper fill and other attenuation sources. ... On modules like for the ESP8266 and ESP32 platforms the PCB antennas are often integrated onto the module’s PCB, ...

That's where an ESP8266 comes in. It's basically a Wi-Fi microcontroller that you can hook up to more or less anything, and there are a few reasons why you should consider it as the centerpiece of ...