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