NimH AAA to 5V, suggestions?
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From: Rich Webb on 3 Aug 2010 12:26 On Tue, 03 Aug 2010 18:47:15 +1000, Grant <omg(a)grrr.id.au> wrote: >OT: Does Agent have a line rewrap function? I can't find it, >would save me propagating Tim's endless lines when I'm too lazy >to manually reformat (no I don't mean the line length setting, >I need to break that sometimes too). From the menu, View | Word Wrap, or just press the "O" key to toggle between wrapped and as-sent. -- Rich Webb Norfolk, VA
From: Grant on 3 Aug 2010 18:42 On Tue, 03 Aug 2010 12:26:49 -0400, Rich Webb <bbew.ar(a)mapson.nozirev.ten> wrote: >On Tue, 03 Aug 2010 18:47:15 +1000, Grant <omg(a)grrr.id.au> wrote: > >>OT: Does Agent have a line rewrap function? I can't find it, >>would save me propagating Tim's endless lines when I'm too lazy >>to manually reformat (no I don't mean the line length setting, >>I need to break that sometimes too). > >From the menu, View | Word Wrap, or just press the "O" key to toggle >between wrapped and as-sent. Thanks, I know of that one. I forgot to say I was after a line rewrap function for use while composing a reply, to rewrap the OP's post. Some user agents have that feature, but I can't find it on Agent. Sometimes I'll rewrap manually, but it's messy putting in the '> ' in front of each new line. Or, I could rewrap a line, then cut the block and paste as quoted to get the '> ' fitted. Is there an easy quicker way to do that in Agent? Thanks, Grant.
From: Grant on 3 Aug 2010 18:43 On Tue, 03 Aug 2010 14:55:28 GMT, Jan Panteltje <pNaonStpealmtje(a)yahoo.com> wrote: >On a sunny day (Tue, 3 Aug 2010 05:56:40 -0700 (PDT)) it happened Jan >Panteltje <panteltje(a)gmail.com> wrote in ><081bd806-cb72-4733-b3ae-2ffde3fa08e2(a)w30g2000yqw.googlegroups.com>: > >>On Aug 3, 7:32 am, "Tim Williams" <tmoran...(a)charter.net> wrote: >>> The trick is to put a regulator around it. The worst thing about a fix= >>ed bias circuit is it cooks the transistor if your load opens up! >>> >>> This works, if a bit cheezy:http://myweb.msoe.edu/williamstm/Images/Block= >>ing%20Oscillator%20Suppl... >>> >>> Once the output voltage comes up, all sorts of regulation schemes can be = >>applied using slightly more voltage-hungry approaches (TLV431, etc.). Yo= >>u could even use a small one to provide bias for a FET circuit, which could= >> keep working to arbitrarily low voltages (not that you can get any current= >> out of aAAAat 0.2V). >>> >>> Tim >> >>Tim, great, nice regulator. >>Did not see your reply in my newsreader, so I did see Grant reply, >>looked it up with google. > >PS >I build your circuit, and it works perfectly, even with almost empty NiMHs. >Will make a little PCB for it, and use that, it seems more efficient then my version. >No need to order some chip :-) >Here is the setup, I use the box to switch between full and almost empty NiMH batteries. > ftp://panteltje.com/pub/1.2_to_5V_converter_test_img_2249.jpg So any old ferrite will do for a small converter? That one looks like a filter ferrite? Grant. >This is the collector waveform: > ftp://panteltje.com/pub/1.2_to_5V_converter_Vce_img_2250.jpg >The 7805 on the LED PCB is disconnected, I go in after that. >Project page: > http://panteltje.com/panteltje/pic/sign_pic/index.html > >Thanks :-) >
From: Jim Thompson on 3 Aug 2010 19:14 On Wed, 04 Aug 2010 08:42:44 +1000, Grant <omg(a)grrr.id.au> wrote: >On Tue, 03 Aug 2010 12:26:49 -0400, Rich Webb <bbew.ar(a)mapson.nozirev.ten> wrote: > >>On Tue, 03 Aug 2010 18:47:15 +1000, Grant <omg(a)grrr.id.au> wrote: >> >>>OT: Does Agent have a line rewrap function? I can't find it, >>>would save me propagating Tim's endless lines when I'm too lazy >>>to manually reformat (no I don't mean the line length setting, >>>I need to break that sometimes too). >> >>From the menu, View | Word Wrap, or just press the "O" key to toggle >>between wrapped and as-sent. > >Thanks, I know of that one. I forgot to say I was after a line >rewrap function for use while composing a reply, to rewrap the OP's >post. Some user agents have that feature, but I can't find it on >Agent. > >Sometimes I'll rewrap manually, but it's messy putting in the '> ' >in front of each new line. Or, I could rewrap a line, then cut >the block and paste as quoted to get the '> ' fitted. > >Is there an easy quicker way to do that in Agent? > >Thanks, >Grant. Reformat in UltraEdit, then put in ">" with a macro: >Thanks, I know of that one. I forgot to say I was >after a line rewrap function for use while >composing a reply, to rewrap the OP's post. Some >user agents have that feature, but I can't find it >on Agent. > >Sometimes I'll rewrap manually, but it's messy >putting in the '> ' in front of each new line. >Or, I could rewrap a line, then cut the block and >paste as quoted to get the '> ' fitted. > >Is there an easy quicker way to do that in Agent? :-) ...Jim Thompson -- | James E.Thompson, CTO | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | Phoenix, Arizona 85048 Skype: Contacts Only | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | Phoenix, Arizona, Inventor of many civic-oriented innovations such as automated garbage collection has added a new tool to its Fire Department safety equipment... addressing problems with accidents involving so-called Smart Cars: A Hydraulically Assisted Spatula.
From: Jan Panteltje on 3 Aug 2010 19:33
On a sunny day (Wed, 04 Aug 2010 08:43:53 +1000) it happened Grant <omg(a)grrr.id.au> wrote in <qr6h56h3mcminh2drdo78mqudlcd4c01jt(a)4ax.com>: >>>Tim, great, nice regulator. >>>Did not see your reply in my newsreader, so I did see Grant reply, >>>looked it up with google. >> >>PS >>I build your circuit, and it works perfectly, even with almost empty NiMHs. >>Will make a little PCB for it, and use that, it seems more efficient then my version. >>No need to order some chip :-) >>Here is the setup, I use the box to switch between full and almost empty NiMH batteries. >> ftp://panteltje.com/pub/1.2_to_5V_converter_test_img_2249.jpg > >So any old ferrite will do for a small converter? That one looks >like a filter ferrite? > >Grant. Yes, this is the filter that IIRC was around the cable of an old keyboard (inside the keyboard). Most cores I try just work, a smaller one than this should work here too, but I have used all thsoe. Time is expert on magnetics, you do need a bit of permeability, else you need so many turns. |