Electronics and hardware resources

Resources for students who wish to learn about eletronics and hardware.

Books

Getting Started in Electronics: This is a complete electronics course in 128 pages! Author Forrest Mims teaches you the basics, takes you on a tour of analog and digital components, explains how they work, and shows you how they are combines for various applications. Includes circuit assembly tips and 100 electronic circuits and projects you can build and test.
Physical Computing: A Hands On Guide for Artists, Scientists, Hobbyists (and Engineers in a Hurry).
507 Mechanical Movements: Mechanisms and Devices: Five Hundred and Seven Mechanical Movements - An unabridged printing of the 18th Edition (1906) to include all illustrations and text.

Bluetooth Beacon Awesome List: A curated list of awesome iBeacon and Eddystone Bluetooth beacon resources, open source projects, libraries, tools and tutorials.
Electric Guitar Specifications: This is a "top-down checklist" for the assembly of a solid-body electric guitar. It can help you to build a guitar with specific sound and playability characteristics.
Electronics Awesome List: A curated list of awesome resources for electronic engineers and hobbyists.
IoT & Hybrid Awesome List: Collection of awesome IoT and Hybrid Apps frameworks, tools, resources, videos and shiny things.
IoT Awesome List: A curated list of awesome Internet of Things projects and resources.
Raspberry Pi Awesome List: Collection of awesome Raspberry Pi resources.
Robotics Awesome List: This is a list of various books, courses and other resources for robotics. It's an attempt to gather useful material in one place for everybody who wants to learn more about the field.

4 Band Resistor Color Code Calculator: Digikey's web app to calculate resistors value.
507 Mechanical Movements: Mechanisms and Devices: 507 animated mechanical movements.
Adafruit educational resources
CSIM's Arduino resources: Resources for students who wish to learn about Arduino.
Getting started with Fritzing
Graphical Resistor Calculator: Web app to calculate resistors value.
N5DUX Ham Radio PDFs: Dozens of amateur radio projects.
Sensors Magazine: Sensor technology news and real-world sensor application
What's The Difference Between DC, Servo & Stepper Motors?

Autodesk TinkerCAD: App for 3D design, electronics, and coding. It's used by teachers, kids, hobbyists, and designers to imagine, design, and make anything!
Fritzing: Software that allows to move from experimenting with a prototype to building a more permanent circuit.