using an esp32 I can send a message over my mqtt server to a lamp I gave my mom which will beep and flash the message in morse code. The light and sound can also be controled via the Google assitant.
using an esp32 I can send a message over my mqtt server to a lamp I gave my mom which will beep and flash the message in morse code. The light and sound can also be controled via the Google assitant.