Mark S. Hoffman, Engineer
Updated 4/23/2014

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Welcome/Dobro Pozhalovat

This site was created by Mark S. Hoffman to share tools and ideas for people interested in electronics and/or alternative energy.

You're lucky you don't have to look at my picture (yet). Obligatory picture of author.

Resume Updated 1/24/2019

Characteristic Impedance Calculator

Sample Spice Graph

Tool to Transform Among Feet, Inches, Meters, Cm at Two Different Model Scales

Tool to Calculate resistance, voltage drop, and power in wire or PC traces

Simple Explanation of RSA Encryption

Crosstalk Estimator (Coming someday, maybe never)

Mark's Other Web Sites