He still claims to sell the chips and even has a price list and
estimated lead times, but he doesn't respond to requests to buy them.
Nigel
On 19/10/16 21:17, Paul Everett wrote:
> Pascal at Brain4Home used to sell them on boards and although they are
> no longer available the documentation for them is all on the
> "Downloads" tab of his website. I based mine around the "TinyBoard",
> see here:
> http://www.brain4home.eu/downloads/BAE0910-tiny-board-usermanual.pdf
>
> I built the first three on stripboard and then did a proper PCB for
> the fourth one which is essentially the same schematic as a
> "TinyBoard" but with extra connectors:
> http://www.idlers.org/BAE0910board.jpg
>
> Paul
>
>
> On 19/10/2016 21:06, Peter Hollenbeck wrote:
>> "built four of them onto boards" ...
>> Breadboards?
>> Do you have a schematic for connecting to a 1wire network?
>> I can program but am an electronics moron.
>>
>> Thanks,
>> Peter
>>
>> On Wed, Oct 19, 2016 at 10:26 AM, Paul Everett <rep...@repton.org
>> <mailto:rep...@repton.org>> wrote:
>>
>> I have a load of these and have built four of them onto boards
>> which are counting the flashes of the LED on the four electricity
>> meters I have here (import, export and two solar PV systems).
>> They work very well.
>>
>> Paul Everett
>>
>> On 19 Oct 2016, at 18:16, Nigel Titley <ni...@homechip.com> wrote:
>>
>>> There's also this
>>>
>>> http://www.brain4home.eu/node/4 <http://www.brain4home.eu/node/4>
>>>
>>> which would seem to be perfect for the job, but I've been
>>> completely unable to get any response from Pascal either to
>>> requests for pin-out information or to requests to buy it
>>> (Pascal, if you are listening to this list, please get back to me)
>>>
>>> Nigel
>>>
>>>
>>> On 19/10/16 02:59, Andrew Errington wrote:
>>>> The DS2423 is discontinued and hard to find these days.
>>>>
>>>> I built this, which is a DS2423 implemented on an ATtiny:
>>>> https://www.tm3d.de/index.php/1-wire-device-mit-avr
>>>> <https://www.tm3d.de/index.php/1-wire-device-mit-avr>
>>>>
>>>> It works, but the address is hard-coded. There is a utility to
>>>> generate new addresses if you will have more than one in your
>>>> network.
>>>>
>>>> I also changed the fuse settings to lower the brownout
>>>> detection voltage as I was running it at 3.3V, not 5V.
>>>>
>>>> I used it on a Raspberry Pi 3. It didn't work with the native
>>>> w1_ds2423 module, but it did work with OWFS using the w1 driver.
>>>>
>>>> HTH,
>>>>
>>>> Andrew
>>>>
>>>> On 19 October 2016 at 10:36, Peter Hollenbeck
>>>> <pwhb...@gmail.com> wrote:
>>>>
>>>> Thanks. I'll work on it.
>>>>
>>>> On Tue, Oct 18, 2016 at 3:59 PM, Jan Kandziora <j...@gmx.de>
>>>> wrote:
>>>>
>>>> Am 19.10.2016 um 00:33 schrieb Peter Hollenbeck:
>>>> > I would like to count revolutions of an anemometer,
>>>> perhaps this one:
>>>> > http://www.inspeed.com/anemometers/vortex_wind_sensor.asp
>>>> >
>>>> > I would appreciate suggestion on how to implement a
>>>> counter.
>>>> >
>>>> You could use the DS2423, or some of the homebrewn
>>>> DS2423 replacements
>>>> out there. As it has a reed switch, you need some
>>>> debouncing on the input:
>>>>
>>>> ^ +5V
>>>> |
>>>> 10kΩ
>>>> |
>>>> .-----+-------> DS2423 input
>>>> | |
>>>> o |
>>>> \ 100nF
>>>> \ |
>>>> o |
>>>> | |
>>>> === === GND
>>>>
>>>> These values give you ~1ms, which should be enough to
>>>> debounce the
>>>> switch and which is fast enough for 500Hz (== 1250mph
>>>> for this anemometer.)
>>>>
>>>> Kind regards
>>>>
>>>> Jan
>>>>
>>>>
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>>>
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>>
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> --
> Paul Everett
>
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