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2-Player Bartop Arcade Machine (Powered by Pi)
Re-purposed Laptop Screen for Raspberry Pi
Digital Wall Calendar and Home Information Center
Cocktail machine with GUI Raspberry
Kid electric jeep
Thats actually a method that has been around for years. Someone mentioned it in a comment above, but I also remember my dad talking about doing it in the 70's. Certainly, you could do it with cans but the go to method is to use black PVC pipe. You pretty much just divert the water leaving the pool pump and run it through the PVC which has been laid somewhere where it can get plenty of sun, usually the roof, then tie it back into the outflow from the pool pump. I've heard of it done with the regular white PVC spray painted black because the white is usually cheaper, the problem there is that the black PVC will hold up far longer in the sun due to its UV resistance
Sonos-like Wireless Multiroom Sound System
Installing a TV in a sauna
Coffee Love Puzzle
Golf Ball Puzzle
Wooden Puzzle: Six Blocks in a Box
Trick Opening Box
Wooden Centrifugal Puzzle
Solving the Horseshoe and Ring Puzzle
No-Weld Horseshoe Puzzle
Wood Dowel Puzzle
Wood Dowel Puzzle – Advanced Version
Spider web puzzle
Captive Ring Puzzle
Raspberry Pi Touch Screen Car Computer
The music system is already there, and the GPS and camera in-car pi has been done. I just saw it on another site right before I came here. I also saw another one which integrated the ODB-II port so he could get real-time data from the engines computer. That being said, I haven't seen one yet that integrated all of these features. Not that it doesn't exist, I just haven't found it yet after the first 3 results on Google. (I'm interested in doing very much the same thing)
From what I gathered, he used the audio out on the pi and ran a cable from there to the aux in on the old head unit, which he relocated elsewhere in the vehicle. Thats about the best way to go if $$$ is a primary concern. Myself, I would probably use an amp of some sort. Either a standard car audio amp or a smaller, integrated type amplifier. I can't remember what that type is called, but I see them used regularly in MAME arcade cabs.
Why use the Pi AND the tablet? Isn't that a bit redundant? And how much space does the data for the offline maps take up?
Camp for FREE in National Forests
Solar Powered Festival Cart
Homebuilt Camper Trailer
CAMP STORAGE / COOKING STATION
Weathered Magnetic Bottle Opener
Retro Arcade Cabinet
RetroFuture Multimedia Player - Bluetooth tube radio project #7
i have always wondered: how well would this work in a cold climate? obviously sunlight is sunlight regardless of air temp, but how well would something like this do in sub-0 temps? would the sunlight be enough to overcome the cold air, or would it just freeze up?
Webcam to security cam (movement detection + email alert)
Pirate's treasure chest
Hacking an old laptop into a 3D projector
How to build a sit down driving arcade cabinet
Uber Home Automation w/ Arduino & Pi
Indoor Automatic Plant Watering System
CatBot: Automated Cat Laser
Super-Secret Hiding Place: The Toe-Kick
Making Rocket Fuel With Kitchen Chemistry!
Tire to Ottoman and Table.
Really Handy Magnetic Tool Holder
Android Tablet PS3 / Xbox360 Controller Mount - I made it at TechShop
Making an end-grain cutting board - I made it at Techshop
The Dark Knight Batsuit and Bane Mask and Costume
How to Build a Polished Concrete Desk
Android Tablet as Car PC
How to make a wheel for your phone.
Toy Green Army Man Halloween Costume
NES Stepping Stones
EVERYONE Needs a Multi-Meter
Acquire, Repair and Sell Dysfunctional Electronics with Minimal Knowledge
How To Get FREE Electronic parts!
DIY Air Hockey Table
Put an LCD in your Poker Table
Star wars R2-D2 xbox 360
How to choose a MicroController
Aesthetically Pleasing Gaming Coffee Table
Wikipedia in your pocket
Digital Picture Frame