In this guide, we show you how to convert the small LED cube called IKEA Frekvens with an ESP controller. In its original design, the LED matrix cube can display various patterns via the integrated LEDs, which react to ambient noise via a built-in microphone. There are other matching devices such as the Spot or the Bluetooth speakers from IKEA that can be combined with it. Today on Funkyhome.de we show you how to build a clock from the Frekvens … Continue reading