![]() ![]() The onboard brains come in the form of an ESP32, which means it can keep extremely accurate time via NTP. A custom PCB acts as a hub for all the LED filament spokes. It’s easy to forget that these efficient sources of light come in a variety of form factors, including the retro-tacular filaments that used to make his beautiful analog LED wall clock.Īside from its aesthetics, this timepiece features some great design. LEDs have become so ubiquitous in our projects that just hearing that term probably conjures images of tiny illuminated domes in an array of single-spectrum colors. It might actually form a nice complement to a recent analog LED ring clock.Ĭontinue reading “Pingo Is An Analog Clock That Uses Colors Instead Of Hands” → Posted in clock hacks, LED Hacks Tagged color code, ESP8266, LED clock A piece of translucent white acrylic acts as a diffuser, while a 3D-printed enclosure holds everything together.Įncoding the time using different colors of light has been done before in various different ways, and while we haven’t seen Pingo in real life, we believe it should be somewhat easier to read than most of those examples. Nine concentric circular LED strips are driven by an ESP8266, which retrieves the time and sunrise information through its WiFi connection. The overall brightness is also adjusted to a day/night schedule.Īs complex as the clock’s appearance may be, inside it’s quite a simple design. programmed it in such a way that the outer ring is always yellow during the day, purple at night, and red at sunrise and sunset. The rainbow ring is also moving however, and by adjusting its rotation through time you can get some interesting effects. In the picture above for example, the magenta inner circle matches the rainbow at the 10 o’clock position, while the yellow outer circle matches it at 10 minutes past the hour, meaning it’s currently 10:10. Both change their color such that they match the zone in between, which always shows a complete rainbow, at the desired location. The zone at the center shows the hours, while the outer ring indicates the minutes. The clock’s face is divided into three concentric circular zones. ![]() added yet another method in his Pingo Color Clock, which, as the name suggests, uses color as the main indicator. But if you’ve followed Hackaday for some time, you’ll know there are about a million different ways of achieving this. The purpose of a clock is to show the time, obviously.
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