A custom-designed touch panel or an app for a smartphone or tablet that controls entertainment components (speakers, home theater, etc.) and/or household appliances. The home Wi-Fi hotspot is used to ...

[Alex] recently gave a Marantz audio amplifier the ability to be remotely-controlled via WiFi by interfacing an ESP32 board to a handy port, but the process highlights how interfacing to existing ...

[youtube https://www.youtube.com/watch?v=–86xsJVA74&w=560&h=315] I don’t think I’ve used a remote control in a year. Perhaps several years. They’re cheap ...