$2 Arduino. The ATMEGA328 as a stand-alone. Easy, cheap and very small. A complete guide.
Handy Power Supply
Switched Mode Dual Variable Power Supply
Impowered electrical outlets
My Home Assistant (Automation System)!
Variable ATX bench powersupply - FabLab edition
Password protected sketchbook
Raspberry Pi Touch Screen Car Computer
Universal Remote Laser Tag
Attiny Pocket Sequencer
Micromouse(mobile robot) IR distance sensor board +tips
555 Pocket Synth/Keyboard
Homemade center finder tool, quick, cheap, easy.
Secret DVD/Bookcase Door
IR Receiver for Infrared Capture
Nerf Vulcan Sentry Gun
Pocket-Size Power Supply
Gluten Free Sandwich Bread - FAST Method
How to Make a Solder Buddy (from sheet plastic)
Pocket Survival Kit (Not a Candy Tin!)
Animatronic Tentacles with Arduino
Electric Vacuum Pen From Aquarium Air Pump.
Jeopardy Ring-in Buttons with Built-in Rules
Illusionist locket: A how to.
How to build an Arduino synth
Build an All Season Outdoor Cat Habitat
Universal Knife Block (Design Martin Robitsch)
Arduino based Split-Flap game
LED Pocket Watch
RFID Emulator - How to Clone RFID Card, Tag ...
Hands Free Photography with a Smart Phone
Simple Robotics for Beginners!
A-35 Doomsday device
Bent Wood Rings
How to make a bookshelf mountain!
mac and cheese
Pocket 256 Bit Logic Analyzer
Starwars ATAT Imperial Walker build
Brake drum blacksmith forge
How to make a Scary Scarecrow Mask (With Moveable Jaw)
Bender from Futurama
USB Freeform Arduino
Arduino Vocal Effects Box
DIY Solar panels for RV or off grid
Poor-Mans Smart-Grid - Blackout Protection by UPS and Electric Motorcycle
Dual Stator Smart Drive Wind Turbine (Tutorial)
How to Use The DaVinci Code Cryptex (Steampunk USB Drive Hardware Encryption): a Fun Improvement to Your USB Dead Drop (or Geocache)
Hack Your Car
MyLittlePwny - Make a self powered pentesting box out of the Raspberry Pi for around $100
Arduino Waveform Generator
Access control with Arduino + Keypad 4x4 + Servo (UPDATE)
Palm Arduino Kit
Vertical garden made from scrap materials
Aluminium Casting Foundry
Prometheus Data Cube.
How to make a Portal Gun.
Wooden Ball Bearing
Making small fiberglass parts...
Pingbot - Micro RC Rechargable Musical Robot Pal
Build Lifesize Space Marine Armor in 352 Terribly Complicated Steps
My vacuum former
Backpacking Food Bars 2.0
Arduino Nano based Microbot
Make a cheap disposable camera capacitor bank
Build a 3 drum rain collection system better
How to make your own Arduino board
The Complete Guide to RC Electronics
My First Synth
RFID Controlled Car Trunk
Portable electronics tool kit
CatBot: Automated Cat Laser
Analog Function Generator
Android Tablet as Car PC
Drastically Improving the Speed, Life, and Performance of your R/C Helicopter
Homemade 2'x4' Wood CNC Router
Build Your Own ELECTRIC MOTORCYCLE
DIY Shot Glasses Made of Ice
PC SOUND-CARD SCOPE INTERFACE FACILITATES DC RESTORATION
Mini 2-wheel robot with IR sensor weight 14gr and ATTiny13 Soic
Moose/Bear Repellent aka FLAME THROWER
Bootload an Arduino with a ZIF Socket
Robotic claw business card
PCB agitator from an old CD ROM
How To Use a Nokia Color LCD!
Cat Enclosure - Tunnel, save space ('CatWalk is my Road' - AKahn)
DIY CNC & Constructing an affordable CNC kit
maze puzzle box
PIC RC Motor Controller (and example lego robot)
How to Make Your own Plasma Cutter....
Bluetooth Glove: Talk to the Hand!
DIY Arduino or "The DIY-Duino"
Hurricane Balls, 3000 rpm+ spinning toy.