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  Topic: how entering sleep mode
wimapon

Replies: 32
Views: 1210

PostForum: BASCOM-AVR   Posted: Mon Jan 11, 2021 12:44 pm   Subject: how entering sleep mode
Hi Pikczu,
Yes i agree. a roller inductor and vacuum c's are better.
But i like to get experience with the project and i do not want to pay much money at this moment.
At this moment i like to use t ...
  Topic: how entering sleep mode
wimapon

Replies: 32
Views: 1210

PostForum: BASCOM-AVR   Posted: Tue Jan 05, 2021 12:30 pm   Subject: how entering sleep mode
i am sorry,... the radio astronomy item is in english
  Topic: how entering sleep mode
wimapon

Replies: 32
Views: 1210

PostForum: BASCOM-AVR   Posted: Tue Jan 05, 2021 11:37 am   Subject: how entering sleep mode
Hi, MWS, Paulvk, O-Family, SZTRAD,

i found the noise problem. It did not come from the avr and the tuner.
Now i do know it, it looks very stupid.
Between the small wire antenna and the line to th ...
  Topic: how entering sleep mode
wimapon

Replies: 32
Views: 1210

PostForum: BASCOM-AVR   Posted: Mon Jan 04, 2021 8:54 pm   Subject: how entering sleep mode
SZTRAD,
what do you mean by a "performance chart"?
  Topic: how entering sleep mode
wimapon

Replies: 32
Views: 1210

PostForum: BASCOM-AVR   Posted: Mon Jan 04, 2021 4:53 pm   Subject: how entering sleep mode
oh oh i have a terrible problem:
If i disconnect the power for the AVR and the display.
and i give 24 volt to a relais.....i get noise....
Not with every relais.. but some relais.

So the noi ...
  Topic: how entering sleep mode
wimapon

Replies: 32
Views: 1210

PostForum: BASCOM-AVR   Posted: Mon Jan 04, 2021 2:29 pm   Subject: how entering sleep mode
Hi MWA,
i do use 24 relais, but in de definitive version it will be some more.

I think your info will be too much, too complicated. It must be possible
to do this simple....

the flipflop metho ...
  Topic: how entering sleep mode
wimapon

Replies: 32
Views: 1210

PostForum: BASCOM-AVR   Posted: Mon Jan 04, 2021 1:29 pm   Subject: how entering sleep mode
SZTRAD,
My bascom program works very nice... the problem is only the noise when i go receiving
  Topic: how entering sleep mode
wimapon

Replies: 32
Views: 1210

PostForum: BASCOM-AVR   Posted: Mon Jan 04, 2021 12:45 pm   Subject: how entering sleep mode
Okay folks,
thanks for your attention en info.

Yes indeed, a flipflop for each relais will do the job, i think.
Bistable relais will be simpler, but i do not know if there are bistable relais f ...
  Topic: how entering sleep mode
wimapon

Replies: 32
Views: 1210

PostForum: BASCOM-AVR   Posted: Mon Jan 04, 2021 12:07 am   Subject: how entering sleep mode
Hi MWS,
if i pull reset to ground the noise dissapears and all the relais get no power.


So the noise comes from the controller.....

i will try your other suggestion ( XDIV = Bits(XDIVEN ...
  Topic: how entering sleep mode
wimapon

Replies: 32
Views: 1210

PostForum: BASCOM-AVR   Posted: Sun Jan 03, 2021 8:44 pm   Subject: how entering sleep mode
that is a good idea; i will give the by the processor choosen relais the voltage by wires, so the tuning unit will
work without the processor...

the processor is in a closed metal box and all wir ...
  Topic: how entering sleep mode
wimapon

Replies: 32
Views: 1210

PostForum: BASCOM-AVR   Posted: Sun Jan 03, 2021 5:09 pm   Subject: how entering sleep mode
Well, i put this at the end of my program.
the noise is still there.





'============================================================

'Didr0 = Bits(ain1d , Ain0d) 'unkown variable!! ...
  Topic: how entering sleep mode
wimapon

Replies: 32
Views: 1210

PostForum: BASCOM-AVR   Posted: Sun Jan 03, 2021 4:38 pm   Subject: how entering sleep mode
Okee MWS,
now i do know more now
I will do some experiments now.
thanks for your help.

i will report my findings here.

73
Wim PA0SLT
  Topic: how entering sleep mode
wimapon

Replies: 32
Views: 1210

PostForum: BASCOM-AVR   Posted: Sun Jan 03, 2021 1:26 pm   Subject: how entering sleep mode
Hi MWS,
thanks for your replay.

I do read: The modes and their exact behaviour is different on all processors. The following description from the data sheet is for the Mega88P.

the other exampl ...
  Topic: how entering sleep mode
wimapon

Replies: 32
Views: 1210

PostForum: BASCOM-AVR   Posted: Sun Jan 03, 2021 11:58 am   Subject: how entering sleep mode
Hi folks,
I am making an automatic antenna tuner.
I use an atmega128.
After setting all relais, i like to switch off the whole processor, because it gives a lot of noise on my radio receiver.
So ...
  Topic: problems with atmega128 and avr studio 4
wimapon

Replies: 3
Views: 990

PostForum: AVR   Posted: Tue Mar 17, 2015 1:43 pm   Subject: problems with atmega128 and avr studio 4
Okay Mark,
Problem is solved now. I put a 0.5 MHz 6 Volt top top signal generator to xtal1 pin and then
wrote with studio 4 the internal oscillator to the avr.

so... i am very glad.. again thank ...
 
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