Bruce Griffiths wrote: > Douglas > > I have one of these for the M12+T. > > Yes it requires a higher voltage. > There is a surface mount 7805V regulator on board so an input voltage of > 9V or so is recommended (thats what is supplied by the plugpack that > came with it). > > There is a 3V SMT regulator on board as well for the GPS receiver module. > > Bruce > > > There is also a diode in series with the 78M05 5V regulator input for protection against reverse supply polarity. This increases the effective dropout voltage of the 5V regulator to around 7.6V or so. the centre conductor of the power supply connector should be positive,
Bruce _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
