Musically reactive DIY Christmas tree that transforms a familiar festive symbol into something that comes alive with every ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

Due to overload in rendering of simulation at WOKWI, it was not possible to do it there with ESP32. Instead, TinkerCAD's Arduino was used. Except for the Bluetooth functionality (which requires an ...

The YULC (Yes, a USB-C LED Controller) board is a compact, ESP32-S3-powered LED controller with USB-C and DC jack power inputs. It is a fully featured board that can easily replace a rat’s nest of ...

When using FastLED with ESP32 to drive APA102 and SK9822 LED strips, significant inefficiencies have been observed in SPI data transmission. The implementation appears to conduct separate DMA ...

We’ve seen a lot of custom clocks here at Hackaday, many of which have pushed the traditional definition of the timepiece to its absolute limit. But for all their wild designs, most of them do have ...

[Stefan Schüller] was a fan of the LED signs that display arrival information for the trams and buses in their city of Zürich. [Stefan] was having trouble finding a source to purchase the signs so, ...