Cameron, That is almost exactly what I drew up last night. That looks the easiest to explain to the kids.
-- Best regards, Mark mailto:m...@mailmt.com Myakka Technologies, Inc. www.MyakkaTech.com Proud Sponsor of the Myakka City Relay For Life http://www.RelayForLife.org/MyakkaCityFL Please Donate at http://main.acsevents.org/site/TR/RelayForLife/RFLFY12FL?team_id=1030009&pg=team&fr_id=37555 ------ Friday, January 9, 2015, 11:16:36 AM, you wrote: CC> Using the 555 you could create three monostable timers like in this CC> http://www.instructables.com/id/555-Timer/step2/555-Timer-Monostable-Mode/ CC> Make the output of your "button 3" timer be the input voltage CC> of "button 2" timer, and the output of "button 2" be the input of CC> "button 1". This way, you have to hit 3 before there will be any CC> voltage on 2 and hit 2 before there is any voltage on 1. Hitting 2 CC> or 1 before hitting 3 will do nothing as they have no input CC> voltage. You could set the time on 3 using the right R and C CC> values to be something like 3 seconds so it will reset if 2 and 1 CC> are not hit in that amount of time. I'd set the time on 2 to be CC> less than 3 seconds and the time on 1 to be less than the time on CC> 2. The output of 1 probably needs to trip a flip-flop or something CC> that needs to be manually reset with a reset button so you can CC> keep the light on however long. That is a pretty simplistic CC> design.ï¿œ CC> On Fri, Jan 9, 2015 at 9:55 AM, Mark - Myakka Technologies <m...@mailmt.com> wrote: CC> Doesn't have to be electronic, what are your thoughts? CC> -- CC> Best regards, CC> ï¿œMarkï¿œ ï¿œ ï¿œ ï¿œ ï¿œ ï¿œ ï¿œ ï¿œ ï¿œ ï¿œ ï¿œ ï¿œ ï¿œ ï¿œ mailto:m...@mailmt.com CC> Myakka Technologies, Inc. CC> www.MyakkaTech.com CC> Proud Sponsor of the Myakka City Relay For Life CC> http://www.RelayForLife.org/MyakkaCityFL CC> Please Donate at CC> http://main.acsevents.org/site/TR/RelayForLife/RFLFY12FL?team_id=1030009 CC> pg=team fr_id=37555 CC> ------ CC> Friday, January 9, 2015, 10:36:07 AM, you wrote: TOG>> Does it have to be electronic, you could do some creative TOG>> relay wiring to achieve the intended result other than the timer TOG>> On Fri, Jan 9, 2015 at 9:16 AM, Mark - Myakka TOG>> Technologies <m...@mailmt.com> wrote: TOG>> Christopher, TOG>> Thought about using one of my raspberry pis, but we have a 6 week TOG>> deadline and these kids need to know what they did.ï¿ I think they can TOG>> learn and explain a simple circuit in 6 weeks.ï¿ Learn programming and TOG>> linux in 6 weeks could be a bit more than they can handle. TOG>> -- TOG>> Best regards, TOG>> ï¿Markï¿ ï¿ ï¿ ï¿ ï¿ ï¿ ï¿ ï¿ ï¿ ï¿ ï¿ ï¿ TOG>> ï¿ ï¿ mailto:m...@mailmt.com TOG>> Myakka Technologies, Inc. TOG>> www.MyakkaTech.com TOG>> Proud Sponsor of the Myakka City Relay For Life TOG>> http://www.RelayForLife.org/MyakkaCityFL TOG>> Please Donate at TOG>> http://main.acsevents.org/site/TR/RelayForLife/RFLFY12FL?team_id=1030009 TOG>> pg=team fr_id=37555 TOG>> ------ TOG>> Friday, January 9, 2015, 10:06:39 AM, you wrote: CT>>> Maybe use an Arduino? Cost would be about $29 for a name CT>>> brand one. Takes a little more programming but is reusable and CT>>> your circuit engineering would be minimal. CT>>> -- CT>>> Christopher Tyler CT>>> MTCRE/MTCNA/MTCTCE/MTCWE CT>>> Total Highspeed Internet Services CT>>> 417.851.1107 CT>>> ----- Original Message ----- CT>>> From: "Mark - Myakka Technologies" <m...@mailmt.com> CT>>> To: "Rory Conaway" <af@afmug.com> CT>>> Sent: Thursday, January 8, 2015 8:31:44 PM CT>>> Subject: Re: [AFMUG] OT - EE help please CT>>> Rory, CT>>> liking the 555 for now.ï¿ Any other suggestions welcome TOG>> --- TOG>> This email is free from viruses and malware because avast! TOG>> Antivirus protection is active. TOG>> http://www.avast.com CC> --- CC> This email is free from viruses and malware because avast! CC> Antivirus protection is active. CC> http://www.avast.com --- This email is free from viruses and malware because avast! Antivirus protection is active. http://www.avast.com
