DIY Projects Forum

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Discuss your DIY project free with expert professionals. Do it yourself (DIY) is the process of building, modifying, or repairing things without the direct aid of professionals.
Misc. Headwater: 2" drop in a 40 foot length culvert
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How do we make our own non sticky viscous gel?
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Chemical/Paint Advice on light-duty heat tolerant adhesive
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Misc. What are grid sheets used for on work tables?
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Electronics Custom Multi Light Switch with Dimmer
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Misc. Looking for entry level DIY ideas
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Misc. Finding "Stuff": Surfing for Unknowns with Element13
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Construction Can a DIY pulley system maximize storage space in the garage?
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Electrical Solar to Hot Water Heater Hookup
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Construction Leveled Ceiling, Uneven Measurements - What's Wrong Here?
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Electronics Stationary 3d scanner using a standard camera
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Installing Motorized Dampers in Basement HVAC: Will It Work?
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Misc. Expand balloon with static electricity
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3D Printed Metal Custom Tool Request
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Misc. Help with power wheelchair modifications
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How to make a small model airplane take off (not working yet)
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Home project: Kilogram Force on wheel bearings
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Building a small hot air balloon
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How Can Eddy Current Drag Be Minimized in AC Generators?
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Construction How do you build a self-submersible boat?
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Misc. Are there alternatives to a Stewart platform that have more lateral motion?
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Audio/Video Fluid Dynamics—Building a better MIDI Breath Controller
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Auto/Motor Get a 1945 Harley running again
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Electrical Calibrating a metal leaf or pith ball electroscope
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Audio/Video Please help, require schematic diagram of power amplifier ROYAL L1200
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Plumbing How Can Airflow be Distributed Evenly in a Small Ducting System for 3D Printing?
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Vintage Cups: Find Your Unique Piece Today
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Misc. Problem with my cloud chamber -- have a mist but no tracks
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Construction Column load bearing calculations
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Plumbing Question about Pressure Reducing Valves
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Construction How to cut a board so that it can be bent spherically?
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Tipping force and Center of gravity for wall fitted furniture
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Plumbing Finding a leak in a Central Heating system (water)
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Computer DIY Chip Making at a Whole New Level
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Auto/Motor A DIY Wooden EV Rolls Royce for Kids
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Lawn/Garden Home project help please - max wind speed to tip over object
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Appliances Reducing output of log burning stove
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Best indoor positioning system/technology for in-home use?
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Appliances Removing a Stuck Rusted Screw: Easy Out or Drill?
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Would You Call Pro Help for Flooded Toilet if You Caught Immediately?
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What Could Be Causing the Error Message on My Tempo Fitness Treadmill?
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Optical Where to look for a UV light that is invisible to the naked eye?
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Misc. How to avoid tools getting stuck in MT3 Morse Tapers?
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Juicer/blender to use whole tomato for juice?
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Misc. What emissivity should I use for LED strips?
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Lawn/Garden How can I optimize my DIY humidifier to improve its longevity and efficiency?
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Misc. In desperate need for a DIY experiment that I can do at home
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Fingernail not tough enough for opening tools on a Swiss Army Knife
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Do You Call a Plumber if Washing Machine is Dripping Water in Tub?
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Electrical Emergency Battery Backup System for TV/Internet During Power Outages
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Electronics Remote Control Magnet Force: Possible?
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Audio/Video Anything that can be done for this ailing Onkyo Tuner?
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Audio/Video How Can I Create a Touch Sensitive Volume Knob for My Audio Card?
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Chemical/Paint Algae Carbon Capture: Make Your Own Algae Tank & Absorb CO2
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Plumbing Water Softener Troubleshooting/Repair
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Electronics NPN transistor is always flickering and on
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Trying to Wire a Washing Machine Motor To Power a Grain Mill
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Misc. Display built with a rotating cube design
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Make our own permanent conductive ink
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Home Repair & Maintenance Advice for Newbie?
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Shinguards / Rattlesnake Bite Guards for Mountain Bikers
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Misc. Is a One-Piece Injection-Molded Plastic Lock Possible?
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Electrical How to estimate friction on the bearings to select motor?
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Electronics Upgrading Capacitor-Based Fan Regulators for 500-1000 Watts
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HVAC Redirecting Airflow with a Curved Surface
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Plumbing Heron's Fountain as a Shower - Seeking advice on the Physics
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What type of handle is this and where can I find a replacement?
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Optical Ideas for Infinity Mirror Geometries
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Material selection calculations for DIY traction bars for my truck
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Misc. Where Can Train Hobbyists Find N-Scale Shingles Today?
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Electronics Will this electronic circuit work? (back-to-back polar capacitors)
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Electrical TV capacitor instead of motor capacitor
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Electrical A speed limiter for a Universal Motor in an old Lionel Train
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Misc. AP Seminar Student Looking For A Topic
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Optical Spectrometer centered wavelengths
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Misc. How do I change a really high light bulb?
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HVAC Attic to Pool Heat Exchange, will car radiator collect heat?
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Misc. How can I enlarge the light produced by a laser?
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Electrical USA Building Codes: Inside Junction Boxes with Terminals?
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Pulley system for cardboard pulp shredder/mixer
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Misc. I want to mechanically detect when an egg-timer runs out - ideas?
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Auto/Motor What's Causing My Kia Stinger's Battery to Drain?
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Electrical Fleming's "right hand rule" is not working for me. Why?
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Electrical PIR sensor lags in taking pictures
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Electrical Rav4 power window motor -- 2pin plug to 5pin plug
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Electrical Information on how to build a sounding rocket
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Appliances Microwave Oven - Magnetron End Cap Replacement
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Electronics Switches, Pots, Displays for DIY projects - Some ideas, some questions
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Misc. Designing a Model Aircraft: Calculating Thrust and Lift for an Efficient Flight
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Construction Aluminum Cantilever for Truck Camper
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Construction Gas Strut - ideal mounting position & Force Calculation
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Auto/Motor How can cogging torque be reduced in permanent magnet synchronous motors?
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Optical DIY Privacy Shades: Make Your Own IR-Blocking Sunglasses
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Chemical/Paint Removal of broken glass from solar panel
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Converting a Lawn Tractor to Electric Power
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Electrical Screw heads: Phillips/Slotted vs ECX
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Computer Build a portable (laptop-like) computer?
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Electrical AC Brush Motor: 12 Slots, 24 Copper Bars, 48 Ends
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Electrical How Can You Efficiently Solder Wires to LED Chips?
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Construction How Can I Build a Homemade Particle Accelerator?
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