A digitally controlled device is provided to interface between a user of
adjustable power unit and an adjustable power module, where the user
provides an analog user input signal for adjusting the performance of the
adjustable module using a user defined standard. The digitally controlled
device provides the adjustable power module an analog input signal
adapted to the standard used by the module. The digital controller device
for controlling adjustable power module that comprises at least one
analog to digital converter for converting analog user input signal to
digital input, a micro-controller adapted to receive the input digital
information and operate at least one digital to analog unit in response
to the digital input information and at least one digital to analog
converter unit adapted to produce analog input signal for controlling
adjustable module.