An energy meter using a Particle.io Photon and a NeoPixel-Ring. For a brief summary of this project.
See this blog-post: http://op-en.se/visualizing-energy-and-temperature-using-a-particle-io-photon-and-a-neopixel-ring/
An energy meter using a Particle.io Photon and a NeoPixel-Ring. For a brief summary of this project.
See this blog-post: http://op-en.se/visualizing-energy-and-temperature-using-a-particle-io-photon-and-a-neopixel-ring/