Solar & Energy
Measure power, run projects on the sun and ride out outages.
Home Energy Dashboard with Smart Plugs
Find the appliances that cost you the most with certified energy-monitoring plugs and Home Assistant's Energy dashboard.
RecruitEV Charging Log and Cost Dashboard in Home Assistant
Track every kWh your electric car charges at home and what it costs per month — no wiring, just official integrations.
RecruitMeasure Real Power Use with an INA219 Sensor
Log voltage, current and watts of any low-voltage project to find out exactly how long your battery will last.
TechnicianSurvive Power Outages: UPS HAT with Safe Shutdown
Keep your Pi server running through short outages and shut it down cleanly before the battery runs out.
TechnicianRun Appliances When Power Is Cheapest with Home Assistant
Teach Home Assistant your utility's time-of-use hours and let it switch smart plugs on only during cheap periods.
TechnicianOff-Grid Solar-Powered Raspberry Pi
Size a panel, charge controller and LiFePO4 battery to keep a Pi project running 24/7 with no outlet.
EngineerDual-Axis Solar Tracker with Light Sensors
Four light sensors and two servos keep a small solar panel pointed at the Sun all day — then measure how much extra energy you gain.
EngineerBattery Bank State-of-Charge Monitor
Count every amp-hour in and out of a small LiFePO4 battery and show a real percentage instead of guessing from voltage.
EngineerWind Speed and Small Wind Turbine Power Logger
Measure wind with a cup anemometer and the power from a small hobby turbine side by side, and find out if wind makes sense where you live.
Engineer