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 led flasher circuit? 
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Post led flasher circuit?
I want to make two led flasher units...one to flash dot's and one to flash dashes...so a circuit where I can alter the time of flash...to fasten to my dogs collars now the evenings are getting darker.
Anyone got a circuit?

D

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Will a dilithium xtal set send the signals faster or.just warp my key?


Mon Oct 16, 2017 6:49 pm
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 led flasher circuit? 
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Post Re: led flasher circuit?
555 astable?


Mon Oct 16, 2017 7:03 pm
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 led flasher circuit? 
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Post Re: led flasher circuit?
https://www.google.co.uk/search?q=555+a ... F1Hcw0WjCM:


Mon Oct 16, 2017 7:04 pm
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 led flasher circuit? 
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Post Re: led flasher circuit?
Just as easy to use an arduino these days....
or did you mean one unit does dots, and one dashes...?

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Paul


Mon Oct 16, 2017 7:06 pm
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 led flasher circuit? 
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Post Re: led flasher circuit?
is it going to flash its name in CW??

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Mon Oct 16, 2017 7:27 pm
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 led flasher circuit? 
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Post Re: led flasher circuit?
http://www.ebay.co.uk/itm/Waterproof-US ... 2303243940

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Mon Oct 16, 2017 8:09 pm
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 led flasher circuit? 
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Post Re: led flasher circuit?
Ah well one is called Dot and the is called Dash.
Small enough to fasten to collars

D

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David. G4YVM


www.Bantenna.co.uk

Will a dilithium xtal set send the signals faster or.just warp my key?


Mon Oct 16, 2017 8:50 pm
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 led flasher circuit? 
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Post Re: led flasher circuit?
May as well rename them to "disk" and "go"...

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Paul


Mon Oct 16, 2017 9:13 pm
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 led flasher circuit? 
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Post Re: led flasher circuit?
Thanks guys...I have some 555 timers I bought to have a play with...off we go.

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David. G4YVM


www.Bantenna.co.uk

Will a dilithium xtal set send the signals faster or.just warp my key?


Mon Oct 16, 2017 10:14 pm
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 led flasher circuit? 
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Post Re: led flasher circuit?
how abt something like this
http://www.ebay.co.uk/itm/Warning-Light ... nbM1Lqv4SA


Tue Oct 17, 2017 9:04 pm
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 led flasher circuit? 
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Post Re: led flasher circuit?
Code:
void loop()
{
  digitalWrite(LED_PIN, HIGH);   // turn the LED on
  delay(1000);                       // wait for a second
  digitalWrite(LED_PIN, LOW);    // turn the LED off
  delay(1000);                       // wait for a second
}


Tue Oct 17, 2017 9:45 pm
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