Skip navigation
The ADXL345 accelerometer is a handy 3-axis sensor for detecting acceleration in g's in three dimensions.  The tutorial below shows how it can be used with a smart phone to log data to a CSV file. Materials Raspberry Pi Male to Male Jumper Cables RPi Breakout Kit (includes breadboard and cables) ADXL345 Accelerometer Connect and Set Up the Sensor  I have written another tutorial for setting up the sensor.  It does require some soldering.  Check out the tutorial here.  ...
Even though the STEM program is not new in the Girl Scouts organization, the new badges may create a new breed of women leaders. Some of the new STEM badges (Image via Girl Scouts)   Started in 1912 by Juliette Gordon Low, the Girl Scouts organization was just a movement, an idea born from a desire to better prepare young girls for the adult life. At 51-years-old, Gordon Low aka “Daisy” gathered eighteen girls from her hometown Savannah, Georgia to teach them what she has learn ...
The spiders use the earth's charges to boost their launch and take flight. Spiders and their ballooning ability with the earth's electric charges allow them to take flight. (Image via Michael Hutchinson)   In 1832, Charles Darwin first discovered the aerodynamics ability of spiders via electric power. His discovery was first realized when he found spiders aboard his ship when venturing across 60 miles of ocean space on a calm and clear day.   At the time, Darwin had witnessed two di ...