This application calculates real time electricity usage of your house by seeking led blinking of electricity meter.
1) First setup led blinking speed. Read value from electricity meter. There can read for example 1000 impl/kWh, then give value 1000.
2) Place red circle (reading area) on top of blinking led.
3) Tune reading threshold is needed, by moving exact-slack slider.
4) Application shows your house real-time electricity usage.