Power and energy consumption

I built a system that uses a ‘Raven’ Zigbee USB radio and Raspberry Pi to monitor our SDG&E electric meter, and layered Flask and D3.js on top to display usage. Sometimes it looks quite cool: The baseline for the house is 225 to 250W, and the plateaus are the (high efficiency energy star) refrigerator. You can […]

Read More

Sunday mini project

These Baofeng radios are awesomely cheap. All these for price of a Yuasa or Kenwood.

Read More