Each digit is made using one pair of Neopixel rings, stacked to form a figure of ... The rest of the build is pretty plain vanilla — an Arduino Nano clone, a DS3231 RTC, a Lithium battery ...

You are stuck at home quarantined and you want to do some Arduino projects ... For example, you can write code to drive a virtual NeoPixel 16×16 matrix. There’s even example code to get ...