The Arduino Mega is a useful tool for the maker. Generally, once one has come up with plans for blinking LEDs that require more IO than is available on the Arduino Uno, one graduates to the Mega ...

A spectrometer is a pretty common lab instrument, useful for determining the absorbance of a sample across a spectrum of light. The standard design is simple; a prism or diffraction grating to ...

in contrast to the female headers typically found in bigger boards like the Uno and Mega. The Nano also conveniently works with the Arduino IDE out of the box. This makes it easy for newbies to ...