This page shows open source scientific hardware, which can be used to make open source labs. It was developed as part of a contest organized by Tekla lab. To see more of the free designs see: Tekla Lab OSH Gallery 2.

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  Highly sensitive Arduino light sensor
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  Fluid In.Flux_3D Wax Printing In Water
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  Toast-R-Reflow: Yet another toaster reflow oven conversion
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  Magnetic Gem & Mineral Float Tester
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  Scales for analphabetic people
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  Simple Atmospheric Satellite
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  Fridgecubator! (Otherwise known as cheap and consistent temp control on a dime)
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  Geiger Counter with Touch Interface!)
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  Portable Laminar Flow Hood)
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  DIY LIGHT-FOLLOWER ROBOT)
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  Ardu-Shaker MK I)
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  DIY solder holder)
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  Low cost digital microscope with automated slide movement)
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  Lego Mindstorms NXT Robotic Hand Prototype)
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  Temperature-Sensitive Infinity Mirror)
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  84W PC Chassis LED Grow Light)
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  Altoids Tin USB Hub 2.0)
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  Do It Yourself Lab Ware)
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  Lego Mindstorms NXT Volume Calculator)
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  3D Printing: 3D Print A Solderless Circuit Board)
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  Mini Arduino Multi Function Controller w/ LCD Display)
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  Yet another simple nightvision)
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  Save money on your DIY laboratory - robust, easy to focus USB microscope)
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  Dremel pointer for precise shaping)
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  Ultrasonic measuring tape)
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  Robot arm from a desk lamp (IKEA Tertial hack))
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  How to build a robotic arm)
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  PiMSO - A Raspberry Pi based Wi-Fi Oscilloscope)
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  Variable 0-12V, Digitally Controlled, Power Supply using a Laptop Wall Wart & Ardunio)
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  DiY Microscope for 0$ (great for your childrens!))
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  DiY Microscope for 0$ (great for your childrens!))
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  UberCool MiNi RECHARGEABLE POWER SUPPLY))
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  Cellphone Detector))
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  How To Solder))
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  Motion tracker))
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  DIY UV Erasable Glow Poster))
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  Electronics Soldering Mobile Workshop))
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  Proof-of-concept Robot arm and controls (Lego nxt)))
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  Multi Directional Ratchet Bar Clamp System))
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  Apple iPad Stand By Apple In 2005 $free$ With Router))
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  "MELT-O-MATIC" DIGITAL MELTING POINT APPARATUS))
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  Programmable Temperature Controller + Hot Plate))
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  USB microscope with Lego frame))
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  Wiring your Home Brewery))
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  An extremely simple and effective vacuum pump))
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  From Whiteboard to Computer))
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  Arduino based hackable prototyping board))
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  ELab Hackerspace GSM Access Control System))
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  DIY $5 USBTinyISP))
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  DIY Variable bench power supply))
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  All in one desktop organizer))
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  Arduino Automatic Watering System For Plants Sprinkler))
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  Foam Cutter (6 hours to make)))
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  How to log data from the arduino board))
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  Arduino Prototype Center))
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  $4.5 better stepper driver))
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  Standing Tree Desk))
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  Red Cabbage pH Indicator))
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  Make Shift Compass for Drawing Circles))
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  Homemade Gelatin Plates For Growing Microorganisms))
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  Build A Test Tube Stand))
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  Articulated Camera Stand))
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  Lithium Battery Salvage Mission (Unretirement)))
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  10W LED fiber light source))
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  10W LED driver and dimmer))
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  Altoids Tin USB Hub))
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  DIY Smartphone Film Scanner))
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  Gold Recovery))
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  Mini emergency electricity backup))
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  Wire/Cord/Tread Spool Holder)
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  Sixpence 3D scanning kit)
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  100W LED)
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  Mini emergency electricity backup)
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  Solder Paste Syringe)
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  Simple Cheap VU Meter)
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  Small Transformer Making Procedure - For low power PCBs)
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  DIY Ultraviolet Light Indicator Strips)
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  Design criteria for Stirling cycle engine)
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  Co2reacter)
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  HOW TO MAKE A MICROSCOPE FROM A NORMAL CAMERA)
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  Motion triggered camera)
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  Ultrabright LED Emergency Lamp (Rechargeable!))
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  Biogas at home- Cheap and Easy))
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  Cheap and easy led grow light))
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  Cheap professional carrousel pipette stand))
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  Binder clip mini tripod helping hand))
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  Super workbench))
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  Easy Air Powered hydroponic system))
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  High Quality (and Safe) Nickel Plating))
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  Arduino Development Tool))
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  Gel Electrophoresis Integrated System (GelIS)))
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  Transforming an old PC box into a mini-indoor grow system.))
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  Low cost waveform generator (0 - 20MHz)))
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  DIY Miniature Thermometer))
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  Water Powered Flashlight))
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  USB Oscilloscope with Signal generator))
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  Convert overhead projector to overhead/document camera))