Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.forth > #46938

Re: New "Forth" MCU Board, ChipStick

From Paul Rubin <no.email@nospam.invalid>
Newsgroups comp.lang.forth
Subject Re: New "Forth" MCU Board, ChipStick
Date 2016-05-06 09:06 -0700
Organization A noiseless patient Spider
Message-ID <87d1ozcgsh.fsf@nightsong.com> (permalink)
References (12 earlier) <nggvmo$i6n$1@dont-email.me> <87poszdcjn.fsf@nightsong.com> <nghe52$iuf$1@dont-email.me> <87h9ebd237.fsf@nightsong.com> <910a899e-a907-440b-ae87-cf6ac7162414@googlegroups.com>

Show all headers | View raw

Raimond Dragomir <raimond.dragomir@gmail.com> writes:
> Lipo (li-ion in fact) is 3.7V nominal. It's max is 4.2V when charging and 
> usually 4.00 - 4.05 V when using it right after that. You need an LDO or
> switching reg. to make the 3.3V for the system. The problem is when the
> battery goes under 3V

That's bad for the battery so I would hope the regulation system shuts
down the board well before the battery voltage gets that low.

> My inital system without a step-up converter had an USB issue. It
> worked quite well with the battery under 3V, but without the USB. And
> the USB were quite vital...

I think that is way out of spec for USB even if it appeared to work
when you tested it.  But you're probably more on top of it than I am.

Back to comp.lang.forth | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-03-30 21:39 -0400
  Re: New "Forth" MCU Board, ChipStick Paul Rubin <no.email@nospam.invalid> - 2016-03-30 18:52 -0700
  Re: New "Forth" MCU Board, ChipStick visualforth@rocketmail.com - 2016-03-30 20:31 -0700
  Re: New "Forth" MCU Board, ChipStick JUERGEN <epldfpga@aol.com> - 2016-03-30 23:41 -0700
    Re: New "Forth" MCU Board, ChipStick Paul Rubin <no.email@nospam.invalid> - 2016-03-31 00:37 -0700
      Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-03-31 14:36 -0400
        Re: New "Forth" MCU Board, ChipStick JUERGEN <epldfpga@aol.com> - 2016-04-01 00:42 -0700
          Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-04-01 13:09 -0400
            Re: New "Forth" MCU Board, ChipStick Albert van der Horst <albert@spenarnc.xs4all.nl> - 2016-04-01 23:43 +0000
              Re: New "Forth" MCU Board, ChipStick visualforth@rocketmail.com - 2016-04-01 17:28 -0700
                Re: New "Forth" MCU Board, ChipStick Albert van der Horst <albert@spenarnc.xs4all.nl> - 2016-04-02 12:10 +0000
      Re: New "Forth" MCU Board, ChipStick David Schultz <abuse@127.0.0.1> - 2016-03-31 17:07 -0500
        Re: New "Forth" MCU Board, ChipStick Albert van der Horst <albert@spenarnc.xs4all.nl> - 2016-03-31 23:59 +0000
        Re: New "Forth" MCU Board, ChipStick JUERGEN <epldfpga@aol.com> - 2016-04-01 00:52 -0700
          Re: New "Forth" MCU Board, ChipStick David Schultz <abuse@127.0.0.1> - 2016-04-01 12:47 -0500
    Re: New "Forth" MCU Board, ChipStick visualforth@rocketmail.com - 2016-03-31 18:54 -0700
      Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-03-31 22:08 -0400
        Re: New "Forth" MCU Board, ChipStick visualforth@rocketmail.com - 2016-03-31 19:36 -0700
          Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-03-31 23:28 -0400
            Re: New "Forth" MCU Board, ChipStick visualforth@rocketmail.com - 2016-03-31 22:32 -0700
              Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-04-01 02:39 -0400
                Re: New "Forth" MCU Board, ChipStick Raimond Dragomir <raimond.dragomir@gmail.com> - 2016-04-01 04:42 -0700
                Re: New "Forth" MCU Board, ChipStick josv@planet.nl - 2016-04-01 04:48 -0700
                Re: New "Forth" MCU Board, ChipStick Raimond Dragomir <raimond.dragomir@gmail.com> - 2016-04-01 05:50 -0700
                Re: New "Forth" MCU Board, ChipStick anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2016-04-01 13:35 +0000
                Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-04-01 13:11 -0400
                Re: New "Forth" MCU Board, ChipStick Raimond Dragomir <raimond.dragomir@gmail.com> - 2016-04-02 01:58 -0700
                Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-04-02 10:15 -0400
                Re: New "Forth" MCU Board, ChipStick Raimond Dragomir <raimond.dragomir@gmail.com> - 2016-04-02 08:02 -0700
                Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-04-02 12:39 -0400
                Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-04-02 12:54 -0400
                Re: New "Forth" MCU Board, ChipStick Paul Rubin <no.email@nospam.invalid> - 2016-04-02 15:14 -0700
                Re: New "Forth" MCU Board, ChipStick Raimond Dragomir <raimond.dragomir@gmail.com> - 2016-04-02 22:14 -0700
                Re: New "Forth" MCU Board, ChipStick Paul Rubin <no.email@nospam.invalid> - 2016-04-02 23:08 -0700
                Re: New "Forth" MCU Board, ChipStick Raimond Dragomir <raimond.dragomir@gmail.com> - 2016-04-03 02:11 -0700
                Re: New "Forth" MCU Board, ChipStick Paul Rubin <no.email@nospam.invalid> - 2016-04-03 22:54 -0700
                Re: New "Forth" MCU Board, ChipStick Raimond Dragomir <raimond.dragomir@gmail.com> - 2016-04-04 02:50 -0700
                Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-04-04 16:37 -0400
                Re: New "Forth" MCU Board, ChipStick Raimond Dragomir <raimond.dragomir@gmail.com> - 2016-04-04 23:15 -0700
                Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-04-05 02:21 -0400
                Re: New "Forth" MCU Board, ChipStick Raimond Dragomir <raimond.dragomir@gmail.com> - 2016-04-05 00:01 -0700
                Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-04-05 03:17 -0400
                Re: New "Forth" MCU Board, ChipStick Raimond Dragomir <raimond.dragomir@gmail.com> - 2016-04-05 01:15 -0700
                Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-04-05 12:50 -0400
                Re: New "Forth" MCU Board, ChipStick Paul Rubin <no.email@nospam.invalid> - 2016-04-04 23:21 -0700
                Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-04-05 02:29 -0400
                Re: New "Forth" MCU Board, ChipStick Raimond Dragomir <raimond.dragomir@gmail.com> - 2016-04-05 00:02 -0700
                Re: New "Forth" MCU Board, ChipStick Paul Rubin <no.email@nospam.invalid> - 2016-04-05 02:07 -0700
                Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-04-05 13:12 -0400
                Re: New "Forth" MCU Board, ChipStick Raimond Dragomir <raimond.dragomir@gmail.com> - 2016-04-05 00:12 -0700
                Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-04-05 03:22 -0400
                Re: New "Forth" MCU Board, ChipStick Raimond Dragomir <raimond.dragomir@gmail.com> - 2016-04-05 01:22 -0700
                Re: New "Forth" MCU Board, ChipStick Paul Rubin <no.email@nospam.invalid> - 2016-04-05 02:12 -0700
                Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-04-05 13:15 -0400
                Re: New "Forth" MCU Board, ChipStick David Schultz <abuse@127.0.0.1> - 2016-04-05 17:14 -0500
                Re: New "Forth" MCU Board, ChipStick Raimond Dragomir <raimond.dragomir@gmail.com> - 2016-04-04 03:03 -0700
                Re: New "Forth" MCU Board, ChipStick visualforth@rocketmail.com - 2016-04-04 19:51 -0700
                Re: New "Forth" MCU Board, ChipStick Paul Rubin <no.email@nospam.invalid> - 2016-04-04 20:18 -0700
                Re: New "Forth" MCU Board, ChipStick visualforth@rocketmail.com - 2016-04-04 20:44 -0700
                Re: New "Forth" MCU Board, ChipStick Paul Rubin <no.email@nospam.invalid> - 2016-04-04 22:39 -0700
                Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-04-05 02:25 -0400
                Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-04-04 16:23 -0400
                Re: New "Forth" MCU Board, ChipStick Raimond Dragomir <raimond.dragomir@gmail.com> - 2016-04-04 23:18 -0700
                Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-04-05 13:22 -0400
                Re: New "Forth" MCU Board, ChipStick Paul Rubin <no.email@nospam.invalid> - 2016-04-05 13:34 -0700
                Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-04-05 21:28 -0400
                Re: New "Forth" MCU Board, ChipStick Raimond Dragomir <raimond.dragomir@gmail.com> - 2016-04-05 22:34 -0700
                Re: New "Forth" MCU Board, ChipStick visualforth@rocketmail.com - 2016-04-01 15:52 -0700
                Re: New "Forth" MCU Board, ChipStick Raimond Dragomir <raimond.dragomir@gmail.com> - 2016-04-02 01:55 -0700
                Re: New "Forth" MCU Board, ChipStick Paul Rubin <no.email@nospam.invalid> - 2016-05-04 22:38 -0700
                Re: New "Forth" MCU Board, ChipStick Raimond Dragomir <raimond.dragomir@gmail.com> - 2016-05-04 23:10 -0700
                Re: New "Forth" MCU Board, ChipStick Paul Rubin <no.email@nospam.invalid> - 2016-05-05 16:28 -0700
                Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-05-05 22:35 -0400
                Re: New "Forth" MCU Board, ChipStick Paul Rubin <no.email@nospam.invalid> - 2016-05-05 21:40 -0700
                Re: New "Forth" MCU Board, ChipStick Raimond Dragomir <raimond.dragomir@gmail.com> - 2016-05-05 22:13 -0700
                Re: New "Forth" MCU Board, ChipStick Paul Rubin <no.email@nospam.invalid> - 2016-05-05 22:44 -0700
                Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-05-06 02:41 -0400
                Re: New "Forth" MCU Board, ChipStick Paul Rubin <no.email@nospam.invalid> - 2016-05-06 01:26 -0700
                Re: New "Forth" MCU Board, ChipStick Raimond Dragomir <raimond.dragomir@gmail.com> - 2016-05-06 02:02 -0700
                Re: New "Forth" MCU Board, ChipStick Paul Rubin <no.email@nospam.invalid> - 2016-05-06 09:06 -0700
                Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-05-06 05:09 -0400
                Re: New "Forth" MCU Board, ChipStick Raimond Dragomir <raimond.dragomir@gmail.com> - 2016-05-06 03:50 -0700
                Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-05-06 19:23 -0400
                Re: New "Forth" MCU Board, ChipStick Paul Rubin <no.email@nospam.invalid> - 2016-05-06 16:29 -0700
                Re: New "Forth" MCU Board, ChipStick Albert van der Horst <albert@cherry.spenarnc.xs4all.nl> - 2016-05-07 11:32 +0000
                Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-05-07 15:38 -0400
                Re: New "Forth" MCU Board, ChipStick Albert van der Horst <albert@cherry.spenarnc.xs4all.nl> - 2016-05-08 09:45 +0000
                Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-05-08 11:04 -0400
                Re: New "Forth" MCU Board, ChipStick Albert van der Horst <albert@cherry.spenarnc.xs4all.nl> - 2016-05-08 17:36 +0000
                Re: New "Forth" MCU Board, ChipStick Albert van der Horst <albert@cherry.spenarnc.xs4all.nl> - 2016-05-08 17:39 +0000
                Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-05-08 14:08 -0400
                Re: New "Forth" MCU Board, ChipStick Paul Rubin <no.email@nospam.invalid> - 2016-05-08 10:52 -0700
                Re: New "Forth" MCU Board, ChipStick David Schultz <abuse@127.0.0.1> - 2016-05-08 14:57 -0500
                Re: New "Forth" MCU Board, ChipStick Paul Rubin <no.email@nospam.invalid> - 2016-05-08 13:23 -0700
                Re: New "Forth" MCU Board, ChipStick Albert van der Horst <albert@cherry.spenarnc.xs4all.nl> - 2016-05-09 09:26 +0000
                Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-05-09 10:26 -0400
                Re: New "Forth" MCU Board, ChipStick Raimond Dragomir <raimond.dragomir@gmail.com> - 2016-05-09 09:38 -0700
                Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-05-09 12:58 -0400
                Re: New "Forth" MCU Board, ChipStick Albert van der Horst <albert@cherry.spenarnc.xs4all.nl> - 2016-05-09 22:53 +0000
                Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-05-09 22:41 -0400
                Re: New "Forth" MCU Board, ChipStick Paul Rubin <no.email@nospam.invalid> - 2016-05-09 11:08 -0700
                Re: New "Forth" MCU Board, ChipStick Paul Rubin <no.email@nospam.invalid> - 2016-05-09 13:21 -0700
                Re: New "Forth" MCU Board, ChipStick Albert van der Horst <albert@cherry.spenarnc.xs4all.nl> - 2016-05-09 23:39 +0000
                Re: New "Forth" MCU Board, ChipStick Paul Rubin <no.email@nospam.invalid> - 2016-05-09 19:03 -0700
                Re: New "Forth" MCU Board, ChipStick Paul Rubin <no.email@nospam.invalid> - 2016-05-09 21:44 -0700
                Re: New "Forth" MCU Board, ChipStick Albert van der Horst <albert@cherry.spenarnc.xs4all.nl> - 2016-05-10 08:28 +0000
                Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-05-10 12:34 -0400
                Re: New "Forth" MCU Board, ChipStick Albert van der Horst <albert@cherry.spenarnc.xs4all.nl> - 2016-05-10 22:27 +0000
                Re: New "Forth" MCU Board, ChipStick Albert van der Horst <albert@cherry.spenarnc.xs4all.nl> - 2016-05-09 09:16 +0000
                Re: New "Forth" MCU Board, ChipStick rickman <gnuarm@gmail.com> - 2016-05-08 14:01 -0400
            Re: New "Forth" MCU Board, ChipStick Paul Rubin <no.email@nospam.invalid> - 2016-03-31 23:26 -0700
      Re: New "Forth" MCU Board, ChipStick Paul Rubin <no.email@nospam.invalid> - 2016-03-31 19:09 -0700
        Re: New "Forth" MCU Board, ChipStick David Schultz <abuse@127.0.0.1> - 2016-03-31 21:41 -0500
          Re: New "Forth" MCU Board, ChipStick Paul Rubin <no.email@nospam.invalid> - 2016-03-31 23:10 -0700
            Re: New "Forth" MCU Board, ChipStick David Schultz <abuse@127.0.0.1> - 2016-04-01 12:37 -0500
              Re: New "Forth" MCU Board, ChipStick Paul Rubin <no.email@nospam.invalid> - 2016-04-01 15:35 -0700
                Re: New "Forth" MCU Board, ChipStick David Schultz <abuse@127.0.0.1> - 2016-04-01 18:11 -0500
        Re: New "Forth" MCU Board, ChipStick visualforth@rocketmail.com - 2016-03-31 19:47 -0700
          Re: New "Forth" MCU Board, ChipStick Paul Rubin <no.email@nospam.invalid> - 2016-03-31 23:23 -0700

csiph-web