Further work on my "Alarm Clock" I wanted an alarm function that could play WAV files from an SD card. This will allow tailored alarms for each alarm to be played.
Hey all, been a while, very busy at work. Anyway, my friend Tyson gave me a bag of these Siemens PD3435 LED displays. They are a really neat retro LED display that's remarkably good. They would have been expensive in their day. I needed a way to test the devices as all 20 or so were jumbled together in a bag with no anti-static protection. I ended up making a simple testing shield for an Arduino.
The devices are very feature-full and much nicer to deal with than the DLG2416s I have laying around. They have features like display dimming, display blinking, character blinking that the DLG simply doesn't. Plus the characters are larger and much easier to read for the given package size.
I intend to use two displays to make a 8 character clock. Here is a video showing the concept and also me fiddling with a gray-code rotary encoder.
