headphone-jack
headphone-jack


Author Comment Last activity Moderation
warren "Maybe we should create an issue on the WebJack project so as not to make this thread too long. I made some progress (rather crudely) copying over ..." | Read more » over 7 years ago
warren "It looks like SoftModem-for-attiny85 doesn't include this line: https://github.com/rmeister/SoftModem/blob/webjack/SoftModem.cpp#L273-L304 // Bri..." | Read more » over 7 years ago
warren "OK, finally got some feedback, though not sure how helpful; I actually got stuck on installing softmodem itself; error here: https://gist.github.c..." | Read more » over 7 years ago
rmeister " For an (unequally) attenuated signal, the amplitudes for f_low and f_high are uneven. In this case, the amplitude for f_high is very low. Cool, ..." | Read more » over 7 years ago
warren "What are you looking at specifically when you see that the higher frequencies are attenuated? What part of the waveform, can you highlight it? I s..." | Read more » over 7 years ago
rmeister "Oh yes, the signal is still attenuated. Didn't see that on my phone yesterday. " | Read more » over 7 years ago
kinasmith "yeah. no dice...still doesn't work. I'll try it on a different phone when I get home. " | Read more » over 7 years ago
rmeister "Cool, looks good. Thanks for your effort! Maybe try switching the wires to sleeve and ring2. " | Read more » over 7 years ago
kinasmith "Hah. That's flattering, but my background isn't electrical engineering...I just kind of stumbled into it. The circuit is pretty obvious now that I ..." | Read more » over 7 years ago
rmeister "Probably you ment an other circuit, as I see you have a background in electronics engineering :D " | Read more » over 7 years ago
rmeister "It's a voltage divider (so your phone won't be damaged by a too large voltage) and a high-pass filter (removes DC voltage). Would you give it a tr..." | Read more » over 7 years ago
kinasmith "I was using Chrome. Didn't try any others. Just curious, but what is the function of the circuit? " | Read more » over 7 years ago
rmeister "Wow, thanks @kinasmith! Probably this pulses are sort of a presence detection for the microphone? Could be an issue, but most of the signals from ..." | Read more » over 7 years ago
kinasmith "Just tested, didn't work. Phone: Xiaomi MI3C, MIUI 7.1.2 (Android 4.4.4) Component Values: R1, 2.2k; R2, 2.2k, C1, 2µF; R3, 10k. I also tried s..." | Read more » over 7 years ago
rmeister "A friend of mine just tested the demo site of the FSK generator with his iPhone (ios9.3.3). The script does not seem to work anymore :( " | Read more » over 7 years ago
dusjagr "@warren, i am referring to some barriers for connecting to iphones. conceptual barriers that can be circumvented exactly by this method. we use the..." | Read more » over 7 years ago
warren "Wow that's pretty exciting -- safari/iOS would be a huge feature to have. I'm wondering if folks are interested enough in this project to submit a..." | Read more » over 7 years ago
rmeister "Hi @dusjagr, thanks for that hint! Found a Safari compatible version of the FSK generator in your link section. At least sending data to the µC sho..." | Read more » over 7 years ago
warren "Oh, that's so rad, @dusjagr! Why are you keeping it from apple? The WebRTC lib doesn't work on iOS anyhow, since it's not an open platform, but jus..." | Read more » over 7 years ago
warren "Indeed -- maybe it could either just say "not safari or iOS" as https://spectralworkbench.org/capture does, or could specifically return an error a..." | Read more » over 7 years ago
dusjagr "Very nice! we have experimented with the same softModem library on the attiny85 for the same reason of an ultra cheap communication to send data to..." | Read more » over 7 years ago
rmeister "Hi Liz, thanks for your feedback! You can click on the photo to get a larger version. There the connections are visible more clearly. I'll see if I..." | Read more » over 7 years ago
rmeister "Oh, maybe I should add a note for iPhone and Mac users. According to this site, Safari does not support WebRTC yet: http://iswebrtcreadyyet.com/ " | Read more » over 7 years ago
warren "Huh, it's weird, but I could have sworn I clicked a link earlier and got http. But it seems fine now. I wonder what happened. Note to future selve..." | Read more » over 7 years ago