The Musical Laser Rainbow Machine makes music into colored laser patterns of light that move and respond to the music. Music is divided into 6 frequency bands. Three beams of light are projected, two of those beams are made by combining red, green and blue lasers, and the third beam is red. Seven lasers are changing in intensity with 6 frequency bands of music. It was featured with full instructions on how to build it in Nuts and Volts Magazine, May/June 2018, cover story.
A complete article on its function and construction has been published in Nuts & Volts Magazine, in Issue 1 of the 2020 edition.
It measures and graphs indoor and outdoor temperature and humidity for the last 24 hours, wind speed for the last 24 hours and current wind direction, barometric pressure for 24 hours, rainfall for the last 24 hours and also rainfall for the last 17 days. It also displays the time, and a re-settable record level for the wind speed and the total rainfall for the season.
Updates to the program and a new design for the radiation shield are included, along with a page of information, in the WeatherStationUpdate2.zip file