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hi, i am trying to read a credit card magnetic stripe using a reader attached to the audio jack. i am trying to use the audiorecording lib but i got lost as i need it as a text string not as audio...
link: no, i did not try as the lib as far as i understood records from the minute i press the record butto...
link: So, have you got a file created or not? Are you able to retrieve this and look at it using Notepad+...
link: no SDK available. The Square reader takes the audio input and sends it off to a server where...

I am just wondering if anyone has a library to decode the output of a magnetic card reader attached to the audio jack. ( similar to the square reader ) Thanks in advance...
link: Thanks for the reply. I did come acrros this, but I am not sure how to use it with B4A...
link: There's a java library that'll decode the output of a magnetic card reader. This app is based on that library. One thing to n...

Hello everyone, i need some help converting a library done by someone else in Java to Basic4Android, this library allows us to use the audio jack on android phones as a serial port, the project explanation can be found here. I honestly don't know anything about Java, I do have Eclipse installed in my machine but don't know how to use this library and convert it to b4A library, can anyone maybe take a look at it and maybe help me figure out how to get started. the jar file...

Ok thank you! Please let us know when the RX is working. This will fantastic even at slow baud rates...
link: Audio Serial Library you are correct at the moment is only for Transmission, the way i do 2 way...
link: I saw that in another post, correct me if I'm wrong but it's only for TX and not RX correct....
link: Audio RS232 Yes, i have created a library that does that exactly, since the audio jack is Stereo...

This version includes a new AudioStreamer type. Note that this is a beta version (for this type only). The purpose of AudioStreamer is to make it simple to stream audio from the microphone and to the speakers. Internally it is based on AudioTrack and AudioRecord. Next week I plan to create...
link: it will work when the mic is external and plugged to the audio jack however - when going to capture...
link: a card reader attached to the audio jack - i must be missing something and it's killing me...

is there any way to determine that someone has inserted an audio jack?...
link: that someone has inserted an audio jack?" "Yes." :D...

Hello everyone, here's a library to send serial data using the Audio jack, i found this project....genesisitdevelopments.com/AudioSerial.zip and here's an example: www.genesisitdevelopments.com...
link: Hi, Anyone know how to read the data from audio jack? How can i use the audio jack for reciving...
link: it works great, You will need to build the interface to convert the signal out of the audio jack to TTL...
link: bug report Hello everyone, here's a library to send serial data using the Audio jack, i found...

help... sorry for the lame question but i am really in a "needy" situation... can this library be used to READ data from the audio jack ? what i am looking for (urgently) is to be able to read a magnetic card using a reader attached to the audio jack. i have the reader but can't read...
link: No. Have you seen these discussions: http://www.b4x.com/search?query=audio+jack You can also use...
link: No. Have you seen these discussions: http://www.b4x.com/search?query=audio jack You can also use...

The sine wave has a pure sound, I think you may be capturing the devices mic input and not the input from the audio jack, please try playing the recorded sound....

Hello, I want to create short pulses of 19kHz and with a duration shorter than 1ms. Currently I do that by making a wav-file, save it and play it by MP3. Is there a possibility to modify the Beeper function to generate pulses shorter than 1ms? Maybe it would be helpfull for me to get the source code of the Audio Library. Best regards Horst...