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Emergency Light/Charger from Fire & Water
Internet Devices for Home Automation
Take a trip on the internet via command line.
Pan & Tilt Servo bracket controlled by Arduino
How to make vacuum tube breadboarding sockets.
Battery voltage monitor
Solar power terminal
How to Convert a Laptop LCD into an External Monitor.
How to- Wind Turbine Made from Scrap Metal...
Dual Stator Smart Drive Wind Turbine (Tutorial)
How to make a tv remote sensor module
DIY X-10 AC Power Sensor
Xanboo/Homesite Laser Break Beam Sensor
DIY Muscle Sensor / EMG Circuit for a Microcontroller
DIY Deadbolt and Garage Door Sensor LED
How to Connect a Sensor with Audio Input and Output
Simple Bot Switches, Sensors, and Modules
Assembling a Triple Sensor Board
Using Humidity sensor with 8051 Microcontroller
Wireless temperature sensor
Simple IR proximity sensor with Arduino
Temperature sensor / weatherstation
Water Level Sensor
Temperature Sensor Tutorial!
impBot: a Pan-Tilt Electric Imp Robot
Ultimate Guide to Making a Cheap but Effective Aluminium Forge.
Aluminium Casting Foundry
24 Watt LED Grow Light with Brightness Control
Windup MineCraft Creeper
Build a vertical aquaponic veggie & fish farm for small yards & houses
Cheap & easy opto-isolated TTL-to-110V light control module
Simpler Bluetooth Garage Door Opener
Hacking a PIR motion sensor for use as a triggering device.
Stacked Glass LED Light
Building a solid state tesla coil
The EyeWriter 2.0
Gummi Bear Surgery
Make a Joule Thief
Solar Panels made easy - VERY Easy!
PC (personal computer) into a sort of thin client.
Solar Cockroach Virbobot
How to reverse engineer a schematic from a circuit board
Easy DIY Home Automation (using servo switches)
Viewing Myself in 3rd Person
A reliable plasma speaker
Brain-Controlled RC Helicopter
Create A Solar iPhone and USB Charger
Solar Powered Battle Symet - BEAM Style
Advanced Soldering: Fast and Easy Soldering of Surface Mount Components
How to Make a Voltage Inverter
DC Boost Converter
Hand crank USB charger / LED headlamp
Build a simple Amperometer *(Ampmeter)
Stairway LED lighting with IR trip sensor
DIY Digital Thermometer
Build a datalogger for your wireless sensor network
How to make an H-bridge
Make A Solar Cell - TiO2/Raspberry based
Another Benchtop Power Supply from PC Power Supply
Portable Solar Powered 220V Power Supply
Cheap Motion Detection Wildlife Camera
Turn your Arduino into a Magnetic Card Reader!
Upside-Down Hanging Self-Watering Earth-Filled Box!
How to raise Baby Praying Mantis'
Bee Hive in a Bucket
How to Make a Single-Bucket Self-Water Regulated Vegatable Planter
Mobile Emergency Communications: Mobile Repeater and Mesh Node.
How to Get Rid of Ants (or) How to Kill an Ant Invasion
Filter your Laundry Graywater with Marsh Plants!
Solar Buzzer Prank
Stupid Simple Arduino LF RFID Tag Spoofer
High Power LED Driver Circuits
440 Watt Regulated Pedal Power Bicyle Generator for iPod, Cell Phone, Portable TV or DVD player
Look Like Your Enemy: Create signs that confuse, astound and parody!
Help: An Absolute Beginner's Guide to 8-Bit AVR Programming-AVR Dragon
S.P.R.E.E. (Solar Photovoltaic Renewable Electron Encapsulator), a Compact, Durable, and Portable Solar Energy Generator
How to Make a Seed Bomb
Double Joule Solar Thief All Contained in a Mint Tin
Solarize your backpack and power all your gizmos
Robot Platform including h-bridges from $10 R/C Car
Self Sufficient Arduino Board
Stealing a joule thief from a cheap solar garden light
How to MAKE PV Solar Panels
Cheap Easy Solar Powered Robot
Solar Power System
Make a high powered solar panel from broken solar cells
Time lapse photography with a webcam
USB webcam tracking system
Third Hand++: A multi-use helping hand for electronics and other delicate work.
LEDs as light sensors
Making Lights Flash