[Vincent] on the EEVblog forums had an idea for an inexpensive resistor substitution decade box. The build uses cheap decimal thumbwheel switches he bought on eBay. Each switch is wired up with ...

For prototype electronics projects, most of us have a pile of resistors of various values stored somewhere on our tool bench. There are different methods of organizing them for easy access and ...

Cryptographic algorithms lie at the heart of modern information security, and substitution box (S‐box) design is a critical component in achieving robust encryption. S‐boxes provide the nonlinearity ...