| Electronics > Beginners |
| Need help turning old payphone into dial-an-mp3 display |
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| Brumby:
You should be able to upload images here - just be aware that there are size limitations. If you do try and it fails, there should be a message somewhere on the screen that will tell you why. |
| Funvoyager:
Ok thanks :) |
| skarecrow:
--- Quote from: Funvoyager on September 02, 2017, 02:03:19 am ---Hey that's great to know I can get a key on eBay. Is the side lock the same as the coin box? Those are cool links ez thank u for that. I'll bet there's a ton of audio files, old radio shiwd, sound effects. Pay your Bill - lol - I like that one! This project reminds me of the kiosks that they did with computers and a dial-up modems 25+ years ago but way older school. I showed a pic of the phone to one of my 12 yo clients who, of, course, never saw this before. It was a real hit. I'll bet half my young clients know how to use raspberry pi and wire things - it'll be cool to show them as piece of this old school technology I'm not able to attach pics so I'll load them up on the cloud and add links ... --- End quote --- Well the "key" I got on eBay is more of a tool than a key. It's not gonna get you into the actual locks. I've seen inside a few payphones, but sadly haven't actually opened any myself. Not even my own that I used to have. I did see someone pick one of the locks on a pay phone once. There was a whole bunch of phones and probably a few hundred people with lockpicks working on the for the whole weekend. I just sent a link to this post to a friend of mine with much more knowledge about phones and locks than myself. Hopefully he'll pay us a visit. Sent from my XT1565 using Tapatalk |
| Beamin:
I honestly think this might be a bit too hard as a first timer. I have been playing with electronics for a few years and think that would be a challenging project. The raspberry pi idea (or Arduino which is like a micro controller which takes inputs signals then makes output signals you control using computer code called "c programing") would be best but you will have to: Learn: python- programming code Linux- operating system that's like ms dos but also has a Mac like interface soldering Voltmeter figuring out what components like resistors and transistors do how current and electricity flow ALOT of time messing about with some mechanical tinkering Trying to get things working together only to realize they are not like lego blocks: different voltages- have to build power supplies and getting the payphone output down to "logic level 5 volts" so the raspberry pi can understand it with a "DTMF" which is the beeps the numbers make turned into signals the pi which is going to be the mp3 player understands Getting the pi's output to play over the head set so impedance and voltage matching. If you do get it working I think you will be a future electronics hobbyist. Expect to spend ALOT of time on this and trying a lot of things that won't work as you blow things up by accident. Not trying to discourage you but rather setting realistic expectations. Best thing would be to pair up with someone who has built electronics projects before. Its easy to get stuck on things and get frustrated. Look up "Ben Heck" or "Mikes electric stuff" on youtube to see how much knowledge equipment and time it takes to do "simple things" like make an ipod screen or a controller work in your project. This forum is really helpful but expect them to give really technical answers that require a lot of reading up to understand. |
| Funvoyager:
Thank you for your honest and thorough description and advice. You are right, This is WAY over my head. I just looked on upwork.com and I've used that and similar sites to hire people in the past. I also posited an ad on CL volunteer section for someone with these skills. I'm going to tap into the other networks you mentioned and local schools/universities and any other suggestions you all have My clients are gifted teens with autism spectrum and gender incongruence conditions and this type of project is something they can probably do or learn. Some of them do programming, robotics, etc., So I feel confident that if I supply the parts and link up with a local expert, that they will succeed or have fun trying. I'll post updates here and this can be a user's manual for them as we run into challenges. I've coordinated these kinds of things in the past and it's amazing how creative and inventive people can be surrounding an unusual or challenging project. I'll keep y'all posted! Btw I'm in northern Virginia so if anyone is local and wants to contact me or drop by when we kick this project off, please let me know! |
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