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It is currently Fri Mar 29, 2024 5:25 am
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[ 11 posts ] |
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G4YVM
Advanced Member
Joined: Fri Sep 14, 2012 5:32 pm Posts: 5666 Location: Salisbury, Wiltshire
Feedback: 22 (100%)
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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
_________________ David. G4YVM
www.Bantenna.co.uk
Will a dilithium xtal set send the signals faster or.just warp my key?
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Mon Oct 16, 2017 6:49 pm |
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M0SDM
Advanced Member
Joined: Fri Jan 06, 2012 2:47 pm Posts: 1222 Location: Grantham IO92PV
Feedback: 11 (100%)
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Re: led flasher circuit?
555 astable?
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Mon Oct 16, 2017 7:03 pm |
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M0SDM
Advanced Member
Joined: Fri Jan 06, 2012 2:47 pm Posts: 1222 Location: Grantham IO92PV
Feedback: 11 (100%)
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Re: led flasher circuit?
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Mon Oct 16, 2017 7:04 pm |
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G0TSG
Advanced Member
Joined: Wed Jan 30, 2013 2:44 am Posts: 1433 Location: Nottingham
Feedback: 8 (100%)
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Re: led flasher circuit?
Just as easy to use an arduino these days.... or did you mean one unit does dots, and one dashes...?
_________________ 73
Paul
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Mon Oct 16, 2017 7:06 pm |
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2E0WVW
Novice Member
Joined: Wed Jul 05, 2017 7:38 am Posts: 21 Location: Helston Cornwall
Feedback: 1 (100%)
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Re: led flasher circuit?
is it going to flash its name in CW??
_________________ Chris 2E0WVW M6WIW IO70ic
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Mon Oct 16, 2017 7:27 pm |
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GW6RRL
Advanced Member
Joined: Wed Oct 30, 2013 2:47 pm Posts: 3514 Location: Llanwrtyd Wells
Feedback: 39 (100%)
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Re: led flasher circuit?
_________________ Laugh along with the common people Laugh along, even though they're laughing at you
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Mon Oct 16, 2017 8:09 pm |
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G4YVM
Advanced Member
Joined: Fri Sep 14, 2012 5:32 pm Posts: 5666 Location: Salisbury, Wiltshire
Feedback: 22 (100%)
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Re: led flasher circuit?
Ah well one is called Dot and the is called Dash. Small enough to fasten to collars
D
_________________ David. G4YVM
www.Bantenna.co.uk
Will a dilithium xtal set send the signals faster or.just warp my key?
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Mon Oct 16, 2017 8:50 pm |
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G0TSG
Advanced Member
Joined: Wed Jan 30, 2013 2:44 am Posts: 1433 Location: Nottingham
Feedback: 8 (100%)
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Re: led flasher circuit?
May as well rename them to "disk" and "go"...
_________________ 73
Paul
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Mon Oct 16, 2017 9:13 pm |
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G4YVM
Advanced Member
Joined: Fri Sep 14, 2012 5:32 pm Posts: 5666 Location: Salisbury, Wiltshire
Feedback: 22 (100%)
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Re: led flasher circuit?
Thanks guys...I have some 555 timers I bought to have a play with...off we go.
_________________ David. G4YVM
www.Bantenna.co.uk
Will a dilithium xtal set send the signals faster or.just warp my key?
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Mon Oct 16, 2017 10:14 pm |
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tonyxxx
Advanced Member
Joined: Mon Jul 23, 2007 11:02 am Posts: 277 Location: Southport
Feedback: 4 (100%)
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Re: led flasher circuit?
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Tue Oct 17, 2017 9:04 pm |
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M0XXQ
BANNED
Joined: Mon Aug 18, 2014 3:50 pm Posts: 4820 Location: IO95DA Newcastle Upon Tyne
Feedback: 0 (0%)
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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 }
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Tue Oct 17, 2017 9:45 pm |
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