Search found 3 matches

by matthewh
Wed Feb 09, 2005 9:37 pm
Forum: Computer Programming
Topic: OTP Replacement for PIC16f84
Replies: 5
Views: 2870

Re: OTP Replacement for PIC16f84

>>consider porting to a PIC 16F627A or 16F819<p>Are they flash as well? Does Picbasic work with them as easily as the 16f84? Can I access there A/D with Picbasic standard or must I have pro?<p>Matthew<p>[ February 09, 2005: Message edited by: matthewh ]</p>
by matthewh
Tue Feb 08, 2005 10:27 am
Forum: General Discussion
Topic: Voltage Ladder
Replies: 8
Views: 1822

Re: Voltage Ladder

<blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr> I wonder if there is a way to make posts sticky (i.e. stay at the top)? One about searching would be a great candidtate for that. I guess that is one of the downsides to not having a moderator! (all things considered,...
by matthewh
Mon Feb 07, 2005 9:42 pm
Forum: General Discussion
Topic: Voltage Ladder
Replies: 8
Views: 1822

Voltage Ladder

I seem to recall from years past something known as a voltage ladder to step up voltage without need of a transformer. It used an oscillator(ex. 555-timer or 110-ac) then an array of diodes and capacitors to step the voltage up. It did not use an inductor or transformer as most DC-DC converters do. ...