DIY Projects Forum

Post thread
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.
Lawn/Garden Can You Make Planter Pots from Aircrete?
  • · Replies 1 ·
Replies
1
Views
3K
RadioInstigator: Building a SIGINT
  • · Replies 5 ·
Replies
5
Views
4K
Electrical Can Electric Motors Revolutionize Flying Craft Design?
  • · Replies 6 ·
Replies
6
Views
3K
Electrical Increasing current in an intercom circuit
  • · Replies 5 ·
Replies
5
Views
3K
A 80 foot tree weighing 4000 pounds will soon fall on my cabin
  • · Replies 1 ·
Replies
1
Views
2K
Lawn/Garden Soil that expands when it dries?
  • · Replies 2 ·
Replies
2
Views
2K
Electrical Which Linear Actuator is Best for a Sliding Gate at a Cottage?
  • · Replies 7 ·
Replies
7
Views
3K
Electrical Options for powering a three phase machine
  • · Replies 20 ·
Replies
20
Views
4K
Construction Anyone tried "loose lay" vinyl plank flooring?
  • · Replies 6 ·
Replies
6
Views
4K
Wiring a permanent split capacitor motor
  • · Replies 3 ·
Replies
3
Views
4K
Wood/Glass/Metal Can One-Way Glass Be Made With Projected Light?
  • · Replies 53 ·
2
Replies
53
Views
10K
Electronics Why is my W filament burning in my DIY electron gun project?
  • · Replies 6 ·
Replies
6
Views
3K
Electrical Create a Moving Sun Sculpture: DIY Art Project Help and Advice
  • · Replies 16 ·
Replies
16
Views
4K
Wood/Glass/Metal Using a hand saw with ratchet-like teeth
  • · Replies 16 ·
Replies
16
Views
4K
Electrical Test a cheap Surge Protector Power Strip (US 110V)?
  • · Replies 8 ·
Replies
8
Views
10K
Electronics Can I pull a network cable from the middle of the run?
  • · Replies 3 ·
Replies
3
Views
2K
Can you help me find the right hydraulic valve?
  • · Replies 3 ·
Replies
3
Views
2K
Misc. Where can I purchase this Acrylic container?
  • · Replies 13 ·
Replies
13
Views
3K
Electronics Material with response to moisture and electrical changes?
  • · Replies 3 ·
Replies
3
Views
2K
What to Do With TV Projector Optics?
  • · Replies 2 ·
Replies
2
Views
2K
Appliances Faulty DeWalt Battery charger for power tools
  • · Replies 36 ·
2
Replies
36
Views
9K
Construction Project Idea involving Thermodynamics, Robotics and AI?
  • · Replies 5 ·
Replies
5
Views
3K
Need glue for a Corian shower stall
  • · Replies 4 ·
Replies
4
Views
2K
Electrical Can a Transformer Be Converted into a Welder Transformer?
  • · Replies 21 ·
Replies
21
Views
3K
How to create a mini generator that will charge my phone?
  • · Replies 10 ·
Replies
10
Views
7K
Lawn/Garden Filling cracks in pressure-treated lumber
  • · Replies 19 ·
Replies
19
Views
15K
Misc. How Can I Best Insulate a Safe to Protect Heat-Sensitive Materials?
  • · Replies 8 ·
Replies
8
Views
3K
Wood/Glass/Metal Wooden hydraulic mechanical arm
  • · Replies 4 ·
Replies
4
Views
3K
Appliances Peltier based mini air conditioner not working
  • · Replies 21 ·
Replies
21
Views
7K
Number of Turns vs. Wire Gauge (BLDC Motor)
  • · Replies 3 ·
Replies
3
Views
10K
Electrical Enclosed water turbine power generation
  • · Replies 1 ·
Replies
1
Views
2K
Misc. Can You Build a Hoverboard Using Air Compression and Clever Engineering?
  • · Replies 25 ·
Replies
25
Views
7K
Auto/Motor How Can I Make My DIY Swirl Push Maker Create Perfect Spirals?
  • · Replies 41 ·
2
Replies
41
Views
7K
Thermodynamics (sort of) for a non engineer
  • · Replies 8 ·
Replies
8
Views
2K
Appliances How Much Motor Power is Needed for a DIY Drum Coffee Roaster?
  • · Replies 4 ·
Replies
4
Views
3K
Misc. Want to make my own stickers that have that nice glitter texture
  • · Replies 20 ·
Replies
20
Views
4K
Computer DIY embedded linux microcontroller
  • · Replies 4 ·
Replies
4
Views
5K
Electrical How to build a DIY laser power meter
  • · Replies 8 ·
Replies
8
Views
7K
Appliances Daewoo FRS 2021 fridge shutdown fault
  • · Replies 1 ·
Replies
1
Views
3K
Wood/Glass/Metal How do I stiffen up this metal table?
  • · Replies 23 ·
Replies
23
Views
7K
Construction How Can You Make DIY Flowable Fill?
  • · Replies 3 ·
Replies
3
Views
6K
What are the voltage and current in motor brushes?
  • · Replies 25 ·
Replies
25
Views
9K
Misc. Origami Gripper - Does anyone know the pattern?
  • · Replies 2 ·
Replies
2
Views
2K
Plumbing Stainless steel house water filter, leaks past o-ring
  • · Replies 17 ·
Replies
17
Views
4K
House hacks: Creative things you have done around your home?
  • · Replies 11 ·
Replies
11
Views
5K
Auto/Motor Can Motorcycle Baffle Modifications Silence Exhaust Without Fiberglass?
  • · Replies 8 ·
Replies
8
Views
10K
Plumbing How do PVC sewer lines get sloped using 90 degree fittings?
  • · Replies 2 ·
Replies
2
Views
5K
Construction Allowing for drywall when framing an interior room
  • · Replies 5 ·
Replies
5
Views
2K
Plumbing Should we wrap buried Fernco couplings with something?
  • · Replies 4 ·
Replies
4
Views
3K
Electrical Help with making a heating element with a 3 phase power supply
  • · Replies 4 ·
Replies
4
Views
3K
HVAC How to calculate pressure loss across a perforated and corrugated plate?
  • · Replies 1 ·
Replies
1
Views
2K
Electrical Please double-check my thermal dissipation assumptions
  • · Replies 5 ·
Replies
5
Views
2K
HVAC How to know if a blower will be able to overcome system resistance?
  • · Replies 1 ·
Replies
1
Views
2K
Electrical What are good quality step-up converters out there?
  • · Replies 12 ·
Replies
12
Views
5K
Auto/Motor Where to best increase car engine oil pressure if intervention is needed?
  • · Replies 11 ·
Replies
11
Views
5K
Thickness of normal and tempered glass for aquarium
  • · Replies 6 ·
Replies
6
Views
7K
Misc. Analyzing Oscillations of a Metal Semi-cylinder
  • · Replies 2 ·
Replies
2
Views
2K
Auto/Motor Can a 5 HP Gas Motor and a Flywheel Revolutionize City Driving?
  • · Replies 6 ·
Replies
6
Views
4K
Optical Lens and Sensor Setup: Detecting Magnified Images
  • · Replies 2 ·
Replies
2
Views
3K
Plumbing Syringe/Stepper Motor Pump Design
  • · Replies 9 ·
Replies
9
Views
7K
Electrical My Homemade Battery Spot Welder
  • · Replies 2 ·
Replies
2
Views
4K
Electrical How Did I Safely Build and Use a Tesla Coil for Entertainment and Education?
  • · Replies 1 ·
Replies
1
Views
4K
Electrical DIY project about electromagnets
  • · Replies 7 ·
Replies
7
Views
3K
Electrical Build an electromagnet which can lift up to 3 kg from 26 gauge copper wire
  • · Replies 1 ·
Replies
1
Views
2K
Electrical Decided to make a Van De Graaff generator
  • · Replies 8 ·
Replies
8
Views
6K
Misc. Can anyone suggest a suitable material for a Foucault pendulum platform?
  • · Replies 53 ·
2
Replies
53
Views
9K
Electrical Where Can I Find a High Voltage DC 30kv - 40kv Generator for My Experiment?
  • · Replies 7 ·
Replies
7
Views
2K
BI-2 Artist Friend of Science -- Requesting help with this sculpture project
  • · Replies 5 ·
Replies
5
Views
2K
Electrical Everybody wants to know how to disable auto shutoff on a heating pad
  • · Replies 15 ·
Replies
15
Views
16K
Misc. Specialty slide rule at the antique store
  • · Replies 2 ·
Replies
2
Views
2K
Creating a Magnetic Snow Globe: Lightweight Options
  • · Replies 4 ·
Replies
4
Views
2K
Computer New computer build: Getting out of the Dark Ages
  • · Replies 23 ·
Replies
23
Views
5K
Optical What are the top DIY optics projects in the Instructables Optics Contest?
  • · Replies 2 ·
Replies
2
Views
2K
Electrical Heating Pad Failure Build Your Own How Not To Start A Fire
  • · Replies 2 ·
Replies
2
Views
2K
Wood/Glass/Metal I found an interesting video about Magnetic Balls -- Science is great
  • · Replies 2 ·
Replies
2
Views
2K
Electrical Minimum conduction voltage between aluminium plates exposed to air?
  • · Replies 9 ·
Replies
9
Views
3K
Electronics Transmit RF signals directly to receiver in line of sight
  • · Replies 7 ·
Replies
7
Views
2K
Electrical Electric Hot Water Heater 2000 watt 220 volt run on 110 volt
  • · Replies 20 ·
Replies
20
Views
9K
Wood/Glass/Metal Anyone here DIY a standing desk?
  • · Replies 1 ·
Replies
1
Views
2K
Misc. Brainstorming concept for mobile solar array
  • · Replies 2 ·
Replies
2
Views
3K
HVAC Tips to keep your house cool in summer
  • · Replies 41 ·
2
Replies
41
Views
11K
Misc. Electromagnetic chuck ( with winding calculations)
  • · Replies 26 ·
Replies
26
Views
6K
Misc. Maximizing Friction Coefficient for Mini-Sumo Robot Tires: Tips and Tricks
  • · Replies 19 ·
Replies
19
Views
5K
Electrical Repair of an old JJ LlOYD T20K tensile machine
  • · Replies 10 ·
Replies
10
Views
2K
HVAC Understanding the movement of a fluid in a vertical pipe
  • · Replies 10 ·
Replies
10
Views
6K
Auto/Motor Centrifugal compressor lift aircraft -- engineering help please
  • · Replies 14 ·
Replies
14
Views
4K
Misc. Seeking inspiration for interesting unfolding furniture
  • · Replies 4 ·
Replies
4
Views
2K
Photosensor-Brake System for a Small Plastic Car
  • · Replies 4 ·
Replies
4
Views
2K
Electronics Can I Convert My Guitar Amplifier into a Bluetooth Device?
  • · Replies 5 ·
Replies
5
Views
3K
Optical Making a vein viewer with LED lights
  • · Replies 3 ·
Replies
3
Views
6K
Electronics How does this Adruino Code Work?
  • · Replies 7 ·
Replies
7
Views
3K
Electrical Low Voltage AC-AC or AC-DC Step Up
  • · Replies 11 ·
Replies
11
Views
3K
Making a tool for polystyrene sculpting
  • · Replies 11 ·
Replies
11
Views
2K
Audio/Video Audio Streamer for Hearing Aids
  • · Replies 7 ·
Replies
7
Views
3K
Electronics How Can I Match My LCD Labels to a Tutorial's Labels for an Arduino Project?
  • · Replies 8 ·
Replies
8
Views
2K
Suggestions for a hobby DIY project?
  • · Replies 13 ·
Replies
13
Views
4K
Electrical Troubleshooting Crystal Radio: Tips for Building and Improving Reception
  • · Replies 40 ·
2
Replies
40
Views
9K
Electrical Why isn’t this Tesla coil working?
  • · Replies 32 ·
2
Replies
32
Views
8K
Misc. Develop Water Pressure Powered Motor | Tesla, Terry, Vane or Pelton
  • · Replies 2 ·
Replies
2
Views
2K
Electrical Applying current only to temporatrily demagnetize a magnet
  • · Replies 6 ·
Replies
6
Views
4K