Or are you trying to sense zero crossings with an opto isolator, or some such idea? C > -----Original Message----- > From: pic microcontroller discussion list > [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Jochen Feldhaar > Sent: Tuesday, August 27, 2002 11:31 AM > To: PICLIST@MITVMA.MIT.EDU > Subject: Re: [OT]: Drop AC > > > Hi Aake, > > I may be very wrong here, but why not use a transformer?? > > Jochen > > Eke Neehr schrieb: > > > > Hello! > > > > Can anybody be kind to help me > > with the calculation of the resistors > > and the capacitors values? > > I want to drop the AC voltage from > > 230V to ca 40V and the maximum > > current will be at 40mA. > > > > Thanking you in advance! > > > > Regards > > EkeN > > > > -- > > http://www.piclist.com hint: The PICList is archived three different > > ways. See http://www.piclist.com/#archives for details. > > -- > http://www.piclist.com hint: The PICList is archived three different > ways. See http://www.piclist.com/#archives for details. > > -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.