Current and Voltage =================== .. toctree:: :maxdepth: 2 how-to-build-an-arduino-energy-monitor.md calibration.md emonlib-calibration-theory.md emontx-error-sources.md ct-and-ac-power-adaptor-installation-and-calibration-theory.md how-good-is-your-multimeter.md acac-buffered-voltage-bias.md digital-filters-for-offset-removal.md explanation-of-the-phase-correction-algorithm.md