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Sun Follower Solar Panel
DIY Long Lasting 36 Cell Solar Panel (60 Watts)
Building a drawer slide CNC machine for under $200!
Complete Guide to Building Your First RC Foamboard Plane
DIY Retrobright Whitening solution
Quit Your Job the Classy Way
Arduino – LED Cube 3x3x3
Make a 3-D Stereoscope Slide and Video Shooter
3D printed CNC mill
Raspberry Pi Alamode CNC Controller
Micromouse(mobile robot) IR distance sensor board +tips
DIY Solar Air Conditioning Unit
DIY Home Solar: Planning a Solar Array (Beginner's Guide)
Make a UAV for research and photography
3D Cardboard & Duct Tape Deer Head Trophy with Template
Raspberry Pi and ROS (Robotic Operating System)
Autonomous, Cardboard, Rasberry Pi Controlled QuadCopter
Wind Lantern: LEDs powered by a vertical axis wind turbine
Mini-Tablesaw / Router / Shaper for Dremel rotary tool
How To Rewind an Alternator
Use an Arduino with an N64 controller
DIY Printed circuit board
Make a good, cheap, upgradeable sheet plastic vacuum former
Solderless Breadboard Layout Sheets (plug and play electronics)
Make a Resistor Reference Card
Upside-Down Hanging Self-Watering Earth-Filled Box!
How to Breadboard Arduino Compatible.
Draw Electronic Schematics with CadSoft EAGLE
A credit card sized Ethernet Arduino compatable controller board
GTP USB PIC PROGRAMMER (Open Source)
When a Phillips is not a Phillips Plus So Much More!
DIY Amplified Speakers for your MP3 player
PCB Wall-E for FREE!
Simple (and dirty) Pulse Width Modulation (PWM) With 555 Timer
Easy to Build Desk Top 3 Axis CNC Milling Machine
Candle Powered Hot Air Balloon