for the laser cutter and just what it says:

http://boxdesigner.connectionlab.org/

http://makeabox.io/

Software tutorials — check out Illustrator for designing for the laser cutter

https://www.nyu.edu/life/information-technology/help-and-service-status/training-and-workshops/lynda-com.html

http://www.nanocrit.com/issues/5/circuit-bending-videogame-consoles-form-applied-media-studies

http://little-scale.blogspot.ae/2013/03/breadboard-basics-2-from-schematic-to.html

His website: http://www.forrestmims.org/biography.html

One of his books (a cult-classic): the Engineer’s Mini-Notebook. The circuit diagram for what became the Atari Punk Console is on page 13 of the pdf (22 of the original).

engineers-mini-notebook-555-timer-circuits

And the Kaustic Machines version: http://compiler.kaustic.net/machines/apc.html

https://learn.sparkfun.com/tutorials/how-to-use-a-multimeter

 

Contact Mics

http://contactmicrophones.com/products-prepiezo.html