How to use an Arduino to read the signal from a set of digital callipers and send the reading over USB. Why? This might be useful for accurate position sensing in home made / hacked computer aided manufacture systems. Adds USB functionality to your callipers. A great reference on reading digital callipers can be found at: http://www.shumatech.com/support/chinese_scales.htm What this instructable adds to the shumatech tutorial is: How to use an Arduino to read the call...
All you need to know about powering LEDs: LED Drivers 101
PC history #infografia #infographic
Interactive Infographic on the History of Computers - stretching from 2400 BC and the Abacus to Binary and Da Vinci’s inventiveness, the birth of Turing in 1912 and to what we know as the major players of today Microsoft, Apple and a brief mention of the Commodore 64.
Infographic of the 7 kind of SQL Joins. Including : INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL JOIN, with or without the intersect. Very useful for web developer. Source : http://sql.sh #SQL #JOIN
Tarp Shelters Infographic #HowTo make #shelter from a tarp and paracord. tarps are at walmart, relatively inexpensive.
Backpacker tip - Awesome clothes roll
These knots, all 40 of them, will add a lot to your knowledge rank. All outdoorsmen should know these.
Fractions of an inch to MM. Always handy. Might be handy to print off and keep around actually