As far as ESP8266 boards go, the WeMos D1 Mini is a great choice if you’re looking to get started with hackerdom’s microcontroller du jour. It’s small, well supported, and can be had ...

The projector control itself is through a RS232 interface. To make this easy to use with Amazon’s Alexa, [jfessard] turned to some libraries for the ESP8266 D1 Mini.

Light fidelity (Li-Fi) is a widely adopted form of wireless communication that uses optical energy to verify device ...