Plans to build your own pedal generator can be downloaded from here. This is a relatively simple design which requires no welding and minimal tool.
Prototypes:
Pedal Generator Stand Design posted 5 Sep 09
Pedal Powered Blender posted 28 Jun 09
A pedal powered blender for human powered smoothie making.
DIY Pedal Generator ideas and notes posted 25 Mar 09
Some basic notes on the design ideas behind pedal generators.
Pedal Generators posted 30 Jun 07
Details of human powered energy production.
Solar Powered Laptop posted 15 Jun 07
A small off-grid solar PV system to power a laptop or hi-fi equipment.
Childrens Pedal Generator posted 30 May 07
A pedal powered electricity generator for kids.
Solar Thermal Hot Water System posted 1 Feb 07
A simple DIY solar thermal collector design.
Invoice Maker Excel Macro posted 1 Aug 06
An Excel macro to create and keep track of invoices for multiple companies.
Solar Powered Gadgets posted 1 May 06
Solar powered gadgets built from scrap just for fun.
Solar Cooker posted 30 Sep 05
Testing a home built solar cooker
