Binary clock gallery
This website is very cool.In this website you will see a collection of binary clocks.John Hall writes:Once I learned the basics of electronics, I was eventually able to breadboard a binary clock. Note that the picture shown below is not of the original design. Originally, I fed the AC sine wave directly into the counter chip just as Marshall Brain showed in his schematic diagram. This worked, but the circuit was sensitive to noise on the AC signal. I later improved it slightly by filtering it through a capacitor and a Darlington transistor as shown in this schematic diagram. This picture also shows the 9V battery backup and a filter capacitor that I did not add until later.
| Binary clock gallery More detail on Binary clock gallery website www.gimpfaq.org |
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