The 555 Timer IC

Url: http://pcbheaven.com/wikipages/555_Theory/

http://www.righto.com/2016/04/teardown-of-cmos-555-timer-chip-how.html

Electronic Resources

Sparkfun Learning
Adafruit Learning

These are the two of the best and most comprehensive sites on learning electronics online. They are vendors selling electronic parts for makers, schools, and industry.

The Hardware Book

List of Device Bit Rates

How to Use a Breadboard (Sparkfun)
Breadboard for Beginners (Adafruit)

How to Solder

How to Use a Multimeter (video: https://www.youtube.com/watch?v=SLkPtmnglOI)

How to Use an Oscilloscope

Doctronics Online Resources

Digilent Classroom (FPGA related)

What Most Schools Don't Teach

Online Circuit Simulator and Tools

https://circuits.io/
http://www.falstad.com/circuit/

Analog Circuit

http://phet.colorado.edu/en/simulation/circuit-construction-kit-ac
http://phet.colorado.edu/en/simulation/circuit-construction-kit-dc
http://www.partsim.com/simulator
http://www.intmath.com/complex-numbers/convert-polar-rectangular-interactive.php

Digital Circuit

http://logic.ly/demo

Mathematics Tools:

• Online Graph Plotter
• Graphical Function Explorer
• Cartesian to Polar Conversion
• Polar to Rectangular Online Calculator
• Phasor Diagram and Sinusoid
• Addition of 2 Sinusoid of the same Frequency
• Addition of 2 Sinusoids
• Complex Number Addition
• Complex Number Multiplication

Waveform

WaveDrom Editor

Fritzing

Cornell Notes

Mechanical and Robotics

Making Lego Car CLIMB Obstacles

Autonomous Clear Up Robot (ACUR-C) [Smile Robotics]

Boston Dynamic's Sand Flea

NASA PUFFER scout bot: NASA develops origami-inspired robot to go with large rovers

Simple Raspberry Pi Robot

JIBO: The World's First Family Robot

Parrot Jumping Sumo Minidrone Preview

Robotnik Summit XL OMNI - Mecanum Wheels

Building a robot arm
http://www.waitingforfriday.com/index.php/Building_a_robot_arm

Mechanics - Robot Chassis Cconstruction
http://www.societyofrobots.com/mechanics_chassisconstruction.shtml

Sparkfun Robotics 101 Series:
http://www.youtube.com/user/sparkfun/search?query=robotics+101



Sparkfun Learn Robotics
https://learn.sparkfun.com/tutorials/tags/robotics

Sgbotic
http://www.sgbotic.com/index.php

Robot-r-us
http://www.robot-r-us.com/

Continental Electronic Enterprise
http://www.continentalee.com.sg/

Servo City
http://www.servocity.com/

McMaster and Carr
http://www.mcmaster.com/#

SDP/SI
http://www.sdp-si.com/#slide-three

Flexible Gripper