Want to build your own Guitar Stompboxes? It's not that hard. It takes time and patience, lots of reading, and a few skills.  
On this web page, you will find many links to cool stompbox sites as well as schematics for your enjoyment. A lot of the schematics are simply too difficult for the average person to build, but are presented anyway. The schematics may help when repairing a broken pedal . It's also cool to compare stompboxes and see how similar or different they really are.
EXTENSIVE set of links to DIY guitar pedals. Some are insanely complex, but there are projects available for any skill level.