2018-07-20 My Digital Dice Were Loaded!

From FB group Building Transistor Radios, Jul 27

Rolando Fernández

I bought a kit for a digital die (one die of a pair of dice). I assembled it and then I rolled the die many times and wrote down the values to see if it was random. I was shocked! It was loaded! It was operating correctly but it was cheating!

It didn’t have a bypass capacitor across the battery. Once I added the bypass capacitor, it was no longer loaded. After many rolls the numbers came up random. So don’t believe that just because a circuit seems to work okay without one, that it will work okay with all batteries and under all conditions.

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