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))