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PowerTOP is a Linux tool that finds the software component(s) that make your laptop use more power than necessary while it is idle. As of Linux kernel version 2.6.21, the kernel no longer has a fixed 1000Hz timer tick. This will (in theory) give a huge power savings because the CPU stays in low ... [More]
Linux ACPI client is a command-line tool, similar to the "apm" command, that provides information on battery status, AC power, and thermal readings.
GNOME Power Manager is a session daemon written in C that controls high level policy for laptop and PC machines. It uses the power management objects from upower.
PowerAPI is a Scala-based library for monitoring energy at the process-level. It is based on a modular and asynchronous event-driven architecture using the Akka library. PowerAPI differs from existing energy process-level monitoring tool in its software orientation, with a fully customizable and ... [More]
Provides battery,temperature,ac,cpufreq (SpeedStep,Powernow!) control and monitoring.Proper suspend to disk/ram and standby by shell hooks that are easy to extend.APM and ACPI machines are supported equally.For laptops as well as for workstations.
A Windows .NET application that acquires, stores, and presents power and energy consumption data for individual devices in your home. This is a C# project. It will build using Visual Studio 2008 with .NET Framework 3.5. It uses a port of Python code, xbee.py XbeePy, to extract the Zigbee data. ... [More]
Record your power usage over time using simple and cheap hardware (Arduino) to capture the flashing LED on the electricity meter.