[minima] Re: Rotary Encoder ( Jon Lee_firmware ) + hardware modification

  • From: Ashhar Farhan <farhanbox@xxxxxxxxx>
  • To: minima@xxxxxxxxxxxxx
  • Date: Mon, 3 Mar 2014 09:45:00 +0530

sorry, the 'send button' got pressed inadvertently.

so, i was saying that the basic circuit of minima should work without any
hard to get parts. a design like TAK40, though very smart and clever,
involved lucking out with some parts. that's something  i'd like to avoid
with the minima.

- f


On Mon, Mar 3, 2014 at 9:42 AM, Ashhar Farhan <farhanbox@xxxxxxxxx> wrote:

> The minima will branch off with various mechanisms for tuning,etc. But the
> 'standard tuning' offered with the base design needed to be something that
> wouldn't req
>
>
> On Mon, Mar 3, 2014 at 9:26 AM, Dave <dave@xxxxxxxxxx> wrote:
>
>> Mac:
>>   This was done on the TAK40 which won the QST $50 40M transceiver
>> contest in 2008.  The project fileis at
>> <http://www.arrl.org/files/file/QST%20Binaries/QS0508Veatch.zip>
>>
>> Dave - WB6DHW
>> <http://wb6dhw.com>
>>
>>
>> On 3/2/2014 7:15 PM, Mac A. Cody wrote:
>>
>>> I think that the rotary encoder found in a scroll-wheel
>>> mousewould work for this application and be relatively cheap.
>>> I used one of these a few years ago on an experimental,
>>> software-defined direct conversion receiver using a Cypress
>>> PSoC microcontroller and an Si570 for a VFO.  I gutted a
>>> scroll-wheel mouse to bring the rotary encoder button
>>> signals out on the PS2 cable to the microcontroller.  It
>>> required debouncing, as any rotary encoder does, and it
>>> worked well.
>>>
>>> 73,
>>>
>>> Mac AE5PH
>>>
>>>
>>> On 03/02/2014 08:56 PM, Sandeep Lohia wrote:
>>>
>>>> Sub : Rotary Encoder ( Jon Lee_firmware ) + hardware modification
>>>> ----------------------------------------------------------------------------
>>>>
>>>>
>>>>
>>>> problem with CFR_Pot is that they don't last long, & a sudden change
>>>> in...
>>>> nor can I afford wire-wound... but happens to have 4 extra coders in
>>>> handy here
>>>>
>>>> rotary encoder being more economic then a good quality wire wound
>>>> pot, but at the curse of availability only in Metro Cities.
>>>>
>>>>   push buttons ( up & down ) might be another simple approach...
>>>>
>>>> --------------------------------------------
>>>>
>>>> playing with codE
>>>> just needs key-boarD
>>>>
>>>> but what is your extra-terrestrial setup for tuning ?
>>>> with encoder Sir, that you have already done with...
>>>> it might be useful for others too... (if U share)
>>>> in initial stage of R&D
>>>>
>>>> Manhattan is not my flavor, but taste can change anytime...
>>>>
>>>> as in now,  at least I am OK drilling holes & ready with surgical
>>>> knife @ my distributed PCB
>>>> but it is only going to mean slight modification to the control board
>>>> or major issue???
>>>>
>>>> if others too wana play with Rotary Encoder @ Adrian's designed PCB
>>>>
>>>> ---------------------------------------------
>>>>
>>>> Boards might take some time to reach you guys in British Isles
>>>> I have written on it as ' FREE GIFT, HOBBY PCB, EDUCATIONAL'
>>>> to a university address, from there it will be distributed locally,
>>>> via domestic.
>>>>
>>>> so that it won't get stuck in customs.
>>>>
>>>> ---------------------------------------------
>>>>
>>>> O YAA! Software dependent RIG it is !!!
>>>>
>>>>
>>>>
>>>
>>>
>>>
>>>
>>
>>
>

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