Electrical engineering (or engineering of any kind) is usually a four-year program at an accredited university in this country. You take a lot of fundamentals in math, physics, etc. to get that deeper understanding you crave.
It doesn't lend itself to a "Learn Electrical Engineering in 21 Days" approach.
You might mean "I'd like to learn more about electronics". I think that might be a shorter path.
如果您热衷于数字化，那么就购买 Altera DE2 FPGA 板。 FPGA 是具有可重新编程逻辑的芯片。您可以实现自己的显卡（我已经见过它）、处理器以及您能想到的任何其他硬件。 Altera 工具很棒。 Xilinx 的工具很糟糕，但他们的原始芯片比 Altera 更好。
高级模式：相量、拉普拉斯变换、傅立叶变换
Crash course on how to learn Electrical Engineering through Googling (items in chronological):
You should understand at least this theory: http://en.wikipedia.org/wiki/Kirchhoff%27s_circuit_laws LEARN ABOUT CURRENT AND VOLTAGE
You are most likely interested in digital things. In that case, you should purchase a microcontroller with a development board. A good choice for a beginner is an Arduino board.
To know about LEDs: Always use a resistor in series with an LED (100 - 330 Ohms) as they are "cookie monsters" with current and will burn themselves. Use 3-5 volts. They drop around .7 - 1.5V volts. They only allow charge to flow in one direction (current is moving charges).
Transistors:http://www.kpsec.freeuk.com/trancirc.htm Also understand a bit about MOSFETs
Items 1,2, and 3 should be learned in parallel
You also want something called a breadboard. It will allow you to prototype circuits with ease.
Guide to package: Through hole packaging chips can usually be used on a breadboard. Anything else requires soldering
Op Amps are used in lots of analog circuits. Popular: LM324, LF356 (LF356 is a good beginner amp). You should learn about these.
If you are of the digital persuasion, then get an Altera DE2 FPGA board. FPGAs are chips which have reprogrammable logic. You can implement your own graphics card (I've seen it done), processor, and any other hardware you can think of. Altera tools are great. Xilinx tools suck but their raw silicon is better than Altera.
Well one start could be googling for sites by hobbyists who build projects based on their microcontroller of choice (butterfly, arduino, propeller, motorola, arm, etc...), if you want to learn how to modify hardware.
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麻省理工学院有许多课程免费在线。这确实是一个了不起的资源（沃尔特·勒温教授的物理学是一件艺术品）。
MIT has many of their classes free online. It's really an amazing resource (Physics with Prof. Walter Lewin is a work of art).
电气工程（或任何类型的工程）通常是该国认可大学的四年制课程。你需要学习大量数学、物理等基础知识，才能获得你渴望的更深入的理解。
它不适合“21 天学会电气工程”的方法。
您可能的意思是“我想了解更多有关电子学的知识”。我认为这可能是一条更短的路。
Electrical engineering (or engineering of any kind) is usually a four-year program at an accredited university in this country. You take a lot of fundamentals in math, physics, etc. to get that deeper understanding you crave.
It doesn't lend itself to a "Learn Electrical Engineering in 21 Days" approach.
You might mean "I'd like to learn more about electronics". I think that might be a shorter path.
关于如何通过谷歌搜索学习电气工程的速成课程（按时间顺序排列的项目）：
Crash course on how to learn Electrical Engineering through Googling (items in chronological):
如果您想学习如何修改硬件，那么首先可以在谷歌上搜索业余爱好者的网站，他们根据自己选择的微控制器（蝴蝶、arduino、螺旋桨、摩托罗拉、手臂等）构建项目。
Well one start could be googling for sites by hobbyists who build projects based on their microcontroller of choice (butterfly, arduino, propeller, motorola, arm, etc...), if you want to learn how to modify hardware.