<div dir="ltr"><div><div>You asked how the BBB compares to the RPi for measuring analog signals.<br><br></div>I was just pointing out that many analog signal now are measured with sensors that support I2C or SPI (including all in that project listed above), so the need to directly measure analog by the embedded system is less of an issue. <br>
<br>However, if you truly wish to measure an analog signal, the BBB is the only one of those two boards that has analog, so it is clearly the winner (unless you are willing to add an I2C (or SPI) analog to digital converter).<br>
<br></div>Cool that you have a one wire weather station project already!<br><br></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Wed, Aug 13, 2014 at 9:30 PM, Grawburg <span dir="ltr"><<a href="mailto:grawburg@myglnc.com" target="_blank">grawburg@myglnc.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="LTR" style="font-family:Times New Roman,Times,Serif;font-size:16px">Rodney,<br>I already have a dual-sensor, one-wire temperature monitoring project that I had students make last week at the science museum.<br>
I also have an AirPi running with temp, humidity, pressure, and a couple of other things.<br>I'm aware that the Pi doesn't handle analog by itself; I had the impression Lee was going to talk about analog signals<br>
with the Beaglebone Black.<br><br><br>Brian<br><br><blockquote dir="LTR" style="border-left:2px solid blue;margin-left:1em;padding-left:1em;font-size:13px;font-family:tahoma,helvetica,sans-serif"><hr size="1"><div><div class="h5">
<div dir="ltr"><div>The Raspberry Pi doesn't have any analog data channels, but all of the measurements listed above are available as I2C data sensors, so it will work well with any device that supports I2C (Raspberry Pi, Beagle Bone Black, even the Arduino, plus many more).<br>
<br> </div>You should also look up the one wire weather station (uses the one wire interface - different than either SPI or I2C) and includes nice weather devices that can be controlled by any of the previously mentioned embedded boards. I have a weather station I put together using a Raspberry Pi and OWW components.<br>
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<div class="gmail_extra"> <br><br><div class="gmail_quote">On Wed, Aug 13, 2014 at 8:10 PM, Grawburg <span dir="ltr"><<a href="mailto:grawburg@myglnc.com" target="_blank">grawburg@myglnc.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr" style="font-family:Times New Roman,Times,Serif;font-size:16px">I'd like to hear how the Beaglebone compares to the Raspberry Pi for this application - especially the analog data gathering.<br><br>Brian Grawburg<br>
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<br>Subject: [TriEmbed] Proposed talk for September's meeting<br><br>Lee Atkinson has been working on Beaglebone Black's using the Cloud-9 IDE and Node.JS to connect to "Fidget"s sensor and actuator breakout boards.<br>
<br>I thought it would make a great presentation talk for the Sept. 8 meeting. Lee's example is to gather data from voltage and current, temperature, humidity, barometric pressure and light level sensors and do data logging, and filtering for triggers to set or unset a relay(s). I think this dovetails well with this month's talk on sending that data to an online datastore for aggregation and analytics.<br>
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