Intro to Neopixels

  simple_neopixels code simple_neopixels_strip_test code Buy neopixel strips here. Buy power supplies here. This is the 4 Ampere one we used in class. It can comfortably power as many as 67 neopixels. This is the adapter we used to connect the power supply....

Possible 7C temperature rise by 2100.

Atmosphere may be more sensitive to greenhouse gasses when it is warmer. Makes sense to me. Possible 7C temperature rise by 2100. Which would bring 20m or so sea level rise with it. If we don’t stop air-dumping carbon now. “In a paper in the journal...

Crash Course Arduino Inputs and Outputs

Crash Course Arduino Input Output Reading: Electricity First hour: Inputs Using a meter to read Voltage. One battery, two batteries, three batteries, in a pack. In most cases you want to connect the black lead to ground. Graphite variable resistor with alligator...