This choice of materials resulted in a modern/contemporary look for the clock as can be seen in the images below. After a lot of ideas and sketches I came upon the idea of building the clock out of clear Lexan and colored acrylic discs. My clock would not read out in hex or binary like many nerd clocks I’ve seen. That meant the clock would have to resemble a normal clock with hands to some degree. I wanted a modern looking clock that anyone could read. With the hardware and the software complete I turned my attention to packaging the clock. If you use and/or modify the LED clock software and redistribute it, I would appreciate an attribution. The software for the LED clock is freely available here. With all of the parts in hand I breadboarded the circuitry and wrote the software for the LED clock using the Arduino 1.0 IDE. To simplify the design I decided to power the clock via USB so no power supply components were required. See the schematic at the bottom of this page for the details. Designing the LED clock circuitry was easy because of the small number of parts involved. I chose the ChronoDot ultra precise RTC module from Adafruit speced at less than a minute of drift per year. I wanted to use a battery backed up RTC module to make the clock accurate, reliable and impervious to power failure. I already had a SparkFun Pro Micro Arduino compatible micro controller module handy so the only part I was lacking was a real time clock (RTC) module. However as I was looking around for something to do with the 15′ of RGB LED ribbon (LPD8806) I purchased from AdaFruit it occurred to me that I could use a short segment of the ribbon (14 LEDs worth) to build a unique electronic clock which used the RGB LEDs to display the time, date and a few animated patterns. In addition, I thought that all interesting electronic clocks designs had already been built so why bother building an also ran. I’ve always thought electronic clocks were passe and not worth the time to design and build one. Arduino Tutorial Online Courses Video TrainingĪs hard as it might be to believe, I had never built an electronic clock of any kind.Arduino Nano Projects List in PDF offline downloadable.Android based arduino Projects List Download PDF.esp8266 arduino projects list in pdf offline downloadable.Arduino Proteus Projects List for Download.Arduino UNO Projects List in PDF offline downloadable.Arduino Mega 2560 projects list in PDF offline downloadable.Arduino Complete Projects List PDF Downloadable.Huge List of tutorials & Components based resources.
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