Add Voice Control to Your Hacked IKEA Desk with Alexa
blog.hackster.io
blog.hackster.io
> IKEA hacks in 2017: ...This circuit is quite simple. It contains a basic ATmega328P and ESP8266 configuration and both chips are connected through the SDA and SCL lines. A DC/DC converter creates 3.3V from the 24V power supply. Q1 is used to retrieve the LIN bus signal. I also added two more buttons, so I now have 4 memory slots.