sentences:  The modifications use a customized clone of the Arduino chip known as the Moteino, making this version much cheaper, and requires much less soldering than the original design.Further optimizations on the design were done by Mike Tranchemontage, his designs featured a more robust power supply unit to the moteino chip, avoid problems capacitors which discharged too slowly with the original design.Most plug-in wattmeters are not useful for measuring standby power, also called vampire power if the device in standby is not doing anything useful such as being prepared to wake under timer control.