1. 4-bit binary code versus 4-bit Gray code. Gray codes are of use for a variety of applications, such as the ordering of the input variables on Karnaugh Maps (you can see examples of this in Fig 4 ...

Rotary encoders are the bee’s knees. Not only do you get absolute positioning, you can also use a rotary encoder (with a fancy tact button underneath) for an easy UI for any electronics proje… ...

Permutation codes are mathematical constructs that utilise the properties of permutations to encode and protect information, with applications spanning powerline communications, flash memory ...