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....

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...