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RELATED GUIDES

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Sous-vide controller powered by Arduino - The SousViduino!
Turn an Arduino + inexpensive rice cooker into a precision instrument for molecular gastronomy!
by Bill Earl
Sous vide is rapidly becoming an important cooking technique in many of the very best restaurants in the world. It combines principles of molecular gastronomy with industrial temperature controls to precisely manage the chemical reactions of cooking. We love good food as much as we love science and technology, so we had to build our own sous vide controller. This project turns an inexpensive rice cooker into a precision cooking instrument. Join the high-tech cooking revolution by building your very own sous vide controller!
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Current Limiting Stepper Driver with DRV8871
Got big motors to drive? Call in the choppers!
by Bill Earl
This tutorial shows how to combine 2 DRV8871 motor drivers to create a high-performance "Chopper" style stepper driver. The current limiting feature of this H-bridge chip allows you to drive bigger motors, or squeeze more performance from your existing motors.
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How to Make a Pogo Pin Test Jig
Get jiggy!
by Tyler Cooper
If you end up buying a pick and place to assemble PCBs (or even if you're doing it by hand) you'll need to test out your boards! If you have an assembler do it for you, its still probably a good idea to have a jig you can give them. A good jig will tell you whats going right and whats going wrong. In this tutorial I will show how I designed a very basic jig with a "tested good" audible indicator. The board its testing is very simple but the basic premise can be expanded to large projects with ease.
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2.2" TFT Display
320x240 pixels in 18 bit color with a microSD breakout
by lady ada
This lovely little display breakout is the best way to add a small, colorful and bright display to any project. Since the display uses 3-wire SPI to communicate and has its own pixel-addressable frame buffer, it can be used with every kind of microcontroller. Even a very small one with low memory and few pins available!