DIY PCB A-Z from mak on Vimeo.

From the Software ( eagle cad) to the PCB

Superb tutorials on Soldering technique

smd and through the hole

http://store.curiousinventor.com/guides/How_to_Solder

http://store.curiousinventor.com/guides/Surface_Mount_Soldering

These are a bunch of simple to follow and very useful tutorials on using the open source Eagle Cad software.

Lesson 1

Lesson 2

Lesson 3

Lesson 4

Lesson 5

Lesson 6

Lesson 7

Lesson 8

Lesson 9

Lesson 10

Lesson 11

here is where you can download the software

http://www.cadsoft.de/download.htm

 Here are some links for newbies, 

myself still a newbie i found these extremely beneficial,

for basic info on

HARDWARE
 Actuators
 Batteries
 Electronics
 Materials
 Microcontrollers
 Sensors

good to know there is a society of robots...

First PCB etch from mak on Vimeo.

I just finished etching an Arduino S3v3

http://arduino.cc/en/Main/ArduinoBoardSerialSingleSided3

it was an interesting experience

i used ferric chloride as my etchant

but unfortunately after i was done i ended up etching a bit too much and had to repair some of the disconnected traces.