OK thanks I managed to connect IOIO by BT, but how do I transfer the analog samples via BT to my Android device? I cant even open an analog pin ( openAnalogInput ) after connecting with BluetoothIOIOConnection class, should I add another instance of IOIO?
בתאריך יום רביעי, 1 באפריל 2015 בשעה 00:33:11 UTC+3, מאת Ytai: > > You write a piece of software that uses the IOIO API for reading the > samples, as in: > https://github.com/ytai/ioio/wiki/Analog-Input > You probably want the buffered version. > > On the hardware side of things, this can be as simple as connecting your > probes between GND and the analog pin, or could get slightly more > complicated if your signal is not between 0-3.3V, or you want higher input > impedance or floating GND, etc. > > On Tue, Mar 31, 2015 at 1:44 PM, lilach azrad <[email protected] > <javascript:>> wrote: > >> Thanks. >> Maybe a question of ignorance :\ >> How do I get the samples from the analog input? what should be connected >> physically besides the BT and power cable 5V-15V? >> tried to understand from internet but nothing, hardware is not my >> strongest side >> >> >> >> >> בתאריך יום רביעי, 4 בפברואר 2015 בשעה 22:01:23 UTC+2, מאת Ytai: >>> >>> Some links, courtesy of Google Search: >>> http://www.dash.co.il/index.php?route=product/product&product_id=2511 >>> https://www.4project.co.il/product/ioio-otg >>> http://www.or-e.co.il/ioio-otg.html >>> >>> Ordering from Seeed might save you some $$$, on expense of some longer >>> shipping time. >>> >>> On Wed, Feb 4, 2015 at 11:44 AM, lilach azrad <[email protected]> wrote: >>> >>>> Thanks! its good enough for my project. >>>> There is any distributor in Israel of this IOIO component? >>>> if the answer is no - this link is ok? (I saw a 2 types) >>>> http://www.seeedstudio.com/depot/IOIO-OTG-for-Android-p-1615.html >>>> >>>> בתאריך יום שלישי, 3 בפברואר 2015 בשעה 23:27:53 UTC+2, מאת Ytai: >>>>> >>>>> Do you have any specifications about the desired sample rate? number >>>>> of channels? voltage range? precision? >>>>> >>>>> The (stock) IOIO can do up to 16 concurrent channels at 1kHz each, >>>>> 10-bit resolution, where each channel is 0-3.3V. With some firmware >>>>> tweaks >>>>> you can increase the sampling rate, and even more so if you're willing to >>>>> trade-off the number of channels. If you want different voltage levels, >>>>> you'd need some analog front-end. If you need higher resolution, you can >>>>> use an external ADC. >>>>> >>>>> In terms of software, you'd need to write a piece of Android software >>>>> that reads the (buffered) samples and draws them to the screen. >>>>> >>>>> What's you're describing has been done several times in the past. Some >>>>> of it might be open source. Google it. >>>>> >>>>> On Tue, Feb 3, 2015 at 11:17 AM, lilach azrad <[email protected]> >>>>> wrote: >>>>> >>>>>> My final project in my first degree of Software engineering is >>>>>> focused on making my Android smartphone to oscilloscope and I need DAQ >>>>>> component to achieve signals and show them on the Android smartphone. >>>>>> The minimal requirements are at least 2 analog input, ADC and a way >>>>>> to "transfer" the signals (via Bluetooh\usb) >>>>>> Does the IOIO help me? if yes what should I implement on my software >>>>>> side. >>>>>> Thanks, >>>>>> Lilach >>>>>> >>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "ioio-users" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>> send an email to [email protected]. >>>>>> To post to this group, send email to [email protected]. >>>>>> Visit this group at http://groups.google.com/group/ioio-users. >>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>> >>>>> >>>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "ioio-users" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> To post to this group, send email to [email protected]. >>>> Visit this group at http://groups.google.com/group/ioio-users. >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> >>> -- >> You received this message because you are subscribed to the Google Groups >> "ioio-users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> To post to this group, send email to [email protected] >> <javascript:>. >> Visit this group at http://groups.google.com/group/ioio-users. >> For more options, visit https://groups.google.com/d/optout. >> > > -- You received this message because you are subscribed to the Google Groups "ioio-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/ioio-users. For more options, visit https://groups.google.com/d/optout.
