Manual The Rotary Dial March 2013

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  1. Reader Interactions
  2. A profile of The Rotary Dial (with a few questions)
  3. Blog Archive
  4. Miscellaneous projects: Rotary Dial for digital age

Burch for The HyperTexts , Oliver speaks of the journal? But we were both agreed that it was the perfect name for what we were trying to achieve. For one thing, rotary dial phones are, well, old. Most of the poets that P. The mechanism of a dial is more complex; it? Phillip Larkin once said that poems are verbal contraptions for reproducing emotion. Once you start to work in form, the assembly of the contraption becomes more of a self-conscious discipline. For all their complexity, rotary dial telephones have a solidness about them that is appealing. Formal work, in its best incarnation, has this quality as well.

And finally, a dial is round. It evokes the cycle of life, things coming full circle. We believe that people, Canadians or otherwise, are returning to the idea that it? Each issue also features the work of one author per issue on their website. Both editors are active writers as well. Writing on his poem? To miss is to fail to meet, take advantage of, or experience.?

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It is slowly coming up on two years since the founding of The Rotary Dial , perhaps the only monthly poetry journal published to Kindle format. Just what has the response to the journal been, and have there been any surprises? There are also some terrific UK journals I? But the journals are thin on the ground.

As for surprises, we are both a little stunned and humbled to have had poets such as Kim Bridgford, Anna Evans, Charles Martin and George Szirtes let us run their work gratis. Another surprise was when I sent out a clarion call for young poets; we really wanted to make a Youth Issue.

Hardly anyone responded to that. Given the fact that both of you are active poets yourselves, how does the journal further the argument of your own individual works? How has the journal affected if at all the ways in which you write? I think that any poet will tell you that you can?

When the good material crosses our desks, it? The same thing goes for the not-so-good stuff. They figure that the topic itself will command attention and the form will lend the package an extra sense of authority. Often these poems are unsuccessful; they end up being to paraphrase my co-editor rhymed journalism. I have fallen into this trap a few times, and it? So many great poems have been written in this metre, but? What about triple metres anapests, dactyls and amphibrachs? When you hear the same sequences of beats, you know it?

Given two editors on two different continents, how does the editorial process work between the two of you? How well do you work together? Did you pay any attention to that while you were working on this project? You seemed quite sure that there would be no problems with the telephone company. Could you provide some info about how I'd be able to do some measurements to be sure?

Thank you for any info. Hey Boris, thanks for the quick reply. I thought as much, but I might be in luck. In the quick-start guide it says it supports the VOIP, but I'm still not convinced if it's actually the VOIP adapter or some sort of pass-through port in which case I'm still screwed and have to buy an adapter. If you have any deeper knowledge about these devices or some additional info, it will be greatly appreciated. According to the manual, you're absolutely right.

I know for sure that is not an IP phone, because we were buying a cheap phone with just a couple of functionalities. I intend to give it a go, hopefully the router can withstand an older phone and won't burn anything. Thanks for all the info, very much appreciated. I do not understand how to program this, or does it work without programming? No, it won't work without programming, sorry. There is a link to the source code in the blog, but you have to compile and download the program to the microcontroller.

I'm trying to build this according to your specs, but I'm a little confused about the two white wires coming from the rotary dial. How can you tell which goes to ground and which goes to the SCK pin on the microcontroller? Also, are you keeping power L2 and L1 from the phone line?

Is there a minimum voltage required to make it work? I'm pulling about 4. I'm trying to do this just as a mock-up, I'm not going to connect it to a phone line, just directly to a 5V power supply. I'm just trying to get a tone in the earpiece when dialing. This is Alexa, I have tried to use a live phone line and a stand alone voltage source.

It makes about 3 sounds, on any number dialed, two of them are higher pitched than a normal tone and the other usually 0 makes a very quick almost like a little tune of about five very quick notes. We have the same phone and test board, Mine looks just like yours in the picture. Any ideas I have redone this many times, same results. PS I'm using the code on this page Thanks, Alexa. Not sure, but it sounds like your clock frequency is off.

Are you using 4MHz crystal? Did you configure AVR fuses to use external crystal? That's exactly what I was thinking. I am using a 4 MHz crystal with the caps just like in your schematic. I am a little worried about changing the fuses because I've seen how you can brick a microcontroller if you don't know what you're doing. Since I don't know what I'm doing Is there an avrdude command that will change the fuses?

I really appreciate your help.

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It is very kind of you to reply to my questions. There is an online tool to configure AVR fuses: I got it to work. Since the microcontroller uses a default internal clock of 8 MHz, I changed the prescaler to divide by 2. I realize that the default is not as accurate as an external crystal, but it works for me. Again, thanks for posting this cool project and thanks for your help on it! What is the role of your two capacitors, C2 and C3? First of all, thank you so much for posting this project. Finally I can dial out from my old phone rather than just using it as a ringer.

When I first built the circuit I had lots of trouble with either missed pulses or extra pulses being counted - e. I'd dial 7 and it would send the DTMF tone for 6 or 8. I traced the issue to the switch signal bouncing. I added some filtering to the dial and pulse switch lines to get rid of the bounce. I also swapped the dial and pulse switch lines on the microcontroller and changed the code to trigger on the falling edge of the pulse signal using the INT0 interrupt rather than polling on a timed basis.

With this new setup it works every time. I've posted the code and Eagle files here: If you did the same thing with "2" a DTMF " " would be produced. Some people might like 9 and 0 instead. What do you think? Hi This looks really great. Does anyone have an idea on how to adapt this to a german phone? The brown and white wires seem promising, since there is 6v between them when the phone is off-hook, but I can not figure out what to use as ground. I'm getting a tone but it seems like the same tone on all the numbers. Sometimes its there and sometimes its not, it seems to be very inconsistent.

The phone line I hooked it up to didn't seem to recognize the tone either. I put the code onto a ATtiny 85 if that makes any difference. Does the low pass filtered pwm signal need to be amplified at all? Reason I ask is because I'm trying something similar with a pic12f and I can generate the tones just fine, but the signal after the low pass filter isn't "strong" enough to drive a piezo speaker I have on the breadboard. I haven't tried hooking up the pwm line directly to the phone yet because I assumed I needed an op amp to amplify the signal first.

I am using emitter follower to amplify the signal.

A profile of The Rotary Dial (with a few questions)

Darin - if you follow the bitbucket link in my comment above, the first commit is Boris' original code without any of my modifications. Hey Boris, great project! Can I email you? I can't find your address on the blog profile. This thing is amazing.

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I'd like to do this as well, but I have never tried myself in digital stuff, apart from some 40' and 50' teletype systems, but I think that's not the same. I have many questions, may I send them to the above described mailbox? What a cool post! I have a similar project. I have a rotary dial phone. I would like to make it a walkie talkie, basically, to communicate with a PA style loudspeaker that's in my garage. My thought is, I pick up the phone, it creates a connection with the PA, I can tell the kids "it's time for dinner" they can yell back "ok" - I hang up, and we're done.

I have wifi - but do you think bluetooth would be better?

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I am not trying to call on VOIP or do anything else with the phone. Just call the loud speaker wirelessly. Could you just run wires from the phone to the garage? This would be the easiest solution. So, you'll need a basic selectronic knowledge to put it all together. I only need the chip. There are numerous of extremely cheap adapters to program ATTiny.

Miscellaneous projects: Rotary Dial for digital age

I read your blog, I have this phone http: Yaby wanted to modernize it. A variant like you. It's a router, a sip adapter like on video. Would your circuit fit my phone? When will they call me whether the phone call will work? In advance thanks for the answer Hello the author of the project,say your e-mail address ,I need to talk to you.

This decoder Hz. It is assembled on the chip NE It's all very simply done. If after dialing the third digit went the dial tone Hz. Once the ringing has disappeared completely, it means that the connection took place and we need the coin to swallow. Indeed, the 2 second delay prisutstvuet. When a coin is swallowed, You know what happens. When we hang up, trigger additional contacts dialer and the trigger returns to its original state.