I built acountdown timera couple of months ago using a two digit mechanical 7 segment display which was driven by 14 servos and an Arduino Mega. It came out quite well and a number of people suggested doubling up on the display to build a clock. The only problem was that the Arduino ...
Once the 3D prints turned out well, we can move on to the electronic part. I cut out a segment of 36 LEDs from a self-adhesive WS281 LED strip. I soldered three wires to the beginning of the strip for power and data, then attached the strip to the support. If the strip isn't ...