<html><head><style>body{font-family:Helvetica,Arial;font-size:13px}</style></head><body><div style="font-family:Helvetica,Arial;font-size:13px">Pete, </div><div style="font-family:Helvetica,Arial;font-size:13px"><br></div><div style="font-family:Helvetica,Arial;font-size:13px">It is weird that there are so few options for a chip with acceleration and magnetometer in one package.</div><div style="font-family:Helvetica,Arial;font-size:13px"><br></div><div style="font-family:Helvetica,Arial;font-size:13px">This is the best I have found thus far: <a href="https://www.st.com/content/st_com/en/products/mems-and-sensors/e-compasses/ism303dac.html">https://www.st.com/content/st_com/en/products/mems-and-sensors/e-compasses/ism303dac.html</a></div><div style="font-family:Helvetica,Arial;font-size:13px"><br></div><div style="font-family:Helvetica,Arial;font-size:13px">They are giving a 10 year lifecycle guarantee!!</div><div style="font-family:Helvetica,Arial;font-size:13px"><span style="font-family:-apple-system;font-size:14px"><br></span></div><div style="font-family:Helvetica,Arial;font-size:13px"><span style="font-family:-apple-system;font-size:14px">Thanks, </span></div><div style="font-family:Helvetica,Arial;font-size:13px"><span style="font-family:-apple-system;font-size:14px"><br></span></div><div style="margin:0px"><font face="-apple-system"><span style="font-size:14px">Chip</span></font></div><div style="margin:0px"><font face="-apple-system"><span style="font-size:14px"><br></span></font></div> <div class="gmail_signature"><div>____________________________________</div>Chip McClelland<div><a href="mailto:chip@mcclellands.org">chip@mcclellands.org</a></div><div>919-624-5562</div></div> <br><p class="airmail_on">On January 26, 2021 at 3:39:50 PM, <a href="mailto:triembed-request@triembed.org">triembed-request@triembed.org</a> (<a href="mailto:triembed-request@triembed.org">triembed-request@triembed.org</a>) wrote:</p> <blockquote type="cite" class="clean_bq"><span><div><div></div><div>Send TriEmbed mailing list submissions to
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<br>Today's Topics:
<br>
<br> 1. FXOS8700CQ EOL, last orders December of this year (Pete Soper)
<br> 2. Re: ESP8266 Programming tip (John Vaughters)
<br> 3. Re: ESP32 Order (Huan Truong)
<br> 4. Re: ESP8266 Programming tip (Michael Monaghan)
<br>
<br>
<br>----------------------------------------------------------------------
<br>
<br>Message: 1
<br>Date: Tue, 26 Jan 2021 14:22:18 -0500
<br>From: Pete Soper <<a href="mailto:pete@soper.us">pete@soper.us</a>>
<br>To: Triangle Embedded Computing Discussion <<a href="mailto:TriEmbed@triembed.org">TriEmbed@triembed.org</a>>
<br>Subject: [TriEmbed] FXOS8700CQ EOL, last orders December of this year
<br>Message-ID: <<a href="mailto:0ab935f4-de6b-c211-b81d-13ffb26fb072@soper.us">0ab935f4-de6b-c211-b81d-13ffb26fb072@soper.us</a>>
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<br>
<br>"no replacement planned". If anybody knows of a replacement that
<br>supports vector magnitude interrupts I'd really love a pointer to it.
<br>Thanks,
<br>Pete
<br>
<br><a href="https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&ved=2ahUKEwiRq_6knbruAhWKGVkFHSqhAqwQFjABegQIAhAC&url=https%3A%2F%2Fcommunity.nxp.com%2Fpwmxy87654%2Fattachments%2Fpwmxy87654%2Fsensors%2F6341%2F1%2F201014_NXP%2520MEMS%2520Sensor%2520Consolidation%2520Decision%2520-%2520C%2526I%2520Motion%2520Messaging%2520v3.pptx&usg=AOvVaw1V-Zlzzk2a20pOPU63oxpy">https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&ved=2ahUKEwiRq_6knbruAhWKGVkFHSqhAqwQFjABegQIAhAC&url=https%3A%2F%2Fcommunity.nxp.com%2Fpwmxy87654%2Fattachments%2Fpwmxy87654%2Fsensors%2F6341%2F1%2F201014_NXP%2520MEMS%2520Sensor%2520Consolidation%2520Decision%2520-%2520C%2526I%2520Motion%2520Messaging%2520v3.pptx&usg=AOvVaw1V-Zlzzk2a20pOPU63oxpy</a>
<br>
<br>
<br>
<br>
<br>------------------------------
<br>
<br>Message: 2
<br>Date: Tue, 26 Jan 2021 19:45:08 +0000 (UTC)
<br>From: John Vaughters <<a href="mailto:jvaughters04@yahoo.com">jvaughters04@yahoo.com</a>>
<br>Cc: Triangle Embedded Interest Group <<a href="mailto:triembed@triembed.org">triembed@triembed.org</a>>
<br>Subject: Re: [TriEmbed] ESP8266 Programming tip
<br>Message-ID: <<a href="mailto:1131170997.367828.1611690308662@mail.yahoo.com">1131170997.367828.1611690308662@mail.yahoo.com</a>>
<br>Content-Type: text/plain; charset=UTF-8
<br>
<br>Carl,
<br>
<br>I do not NEED the delay, I just need to read the A0 at 1 ms intervals. I don't need to stop the processor for that, I need to code it responsibly if I want it to work the best way I want. I was being lazy expecting my time frame to be well within the parameters required for the desired end result. And the solution I finally did does work, but I have now been motivated to make it better.
<br>
<br>Mike,
<br>
<br>Good info thanks. I have not verified, but yes I am thinking I may have violated the watch dog. I am not sure why you could not change a variable if it is global and done fast. I also dug a little deeper and the ticker I am using is not the same that you find in Arduino. The one I am using is suggesting the flag concept as I pointed out in the first post and is working and the idea you also reinforced. I guess in general it is the simplest guarantee for accurate loop integrity. It definitely works quite well. I have looked at the micro-python. I may try that when I get around to the Robotics with the ESP32. That is very interesting for sure. I like the REPL concept alot.
<br>
<br>I can spend a little more time for a better solution. Dang it and I thought I was done with this part. `,~)
<br>
<br>Thanks,
<br>
<br>John Vaughters
<br>
<br>
<br>
<br>------------------------------
<br>
<br>Message: 3
<br>Date: Tue, 26 Jan 2021 12:01:27 -0800
<br>From: Huan Truong <<a href="mailto:htruong@tnhh.net">htruong@tnhh.net</a>>
<br>To: Michael Monaghan <<a href="mailto:mike@chipworks.net">mike@chipworks.net</a>>
<br>Cc: TriEmbed <<a href="mailto:triembed@triembed.org">triembed@triembed.org</a>>
<br>Subject: Re: [TriEmbed] ESP32 Order
<br>Message-ID: <<a href="mailto:531AFD18-2B97-4064-A328-4376FF62E00B@tnhh.net">531AFD18-2B97-4064-A328-4376FF62E00B@tnhh.net</a>>
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<br>
<br>I have 2 esp-s2 boards laying around so if someone wants something quickly, I'm happy to send to you. I'm in the west coast so it will take a couple of days.
<br>
<br>
<br>
<br>
<br>Please excuse my typos, sent from phone.
<br>
<br>On Jan 26, 2021, at 8:41 AM, Michael Monaghan via TriEmbed <<a href="mailto:triembed@triembed.org">triembed@triembed.org</a>> wrote:
<br>
<br>?
<br>Nick,
<br>
<br>Please put me down for 5 of these. Do you Zelle, PayPal or GPay?
<br>
<br>Mike
<br>
<br>On Mon, Jan 25, 2021 at 7:22 PM Nick Edgington via TriEmbed <<a href="mailto:triembed@triembed.org">triembed@triembed.org</a>> wrote:
<br>> I am planning to order some esp32 from China, intending to have them sent DHL which mean they should be here in a couple of weeks (Estimated delivery on 02/12). The units I am getting are the 16 MB as spec below. Complete with SD card slot and battery charger.
<br>>
<br>> Base price is $6.50 shipping is $25 add $2.50 to the price if I order 10.
<br>>
<br>> If you are interested, contact me by Wednesday, the larger the order the lower the divided shipping, Within reason you can pay me when they arrive.
<br>>
<br>> Nick
<br>>
<br>> ====================================================
<br>> Espressif official ESP32-WROVER module
<br>> The latest ESP32 version: REV1
<br>> wireless online
<br>> Bluetooth
<br>> 16MB flash memory
<br>> 8MB PSRAM
<br>> Lithium battery interface, 500mA maximum charging current
<br>>
<br>> Support TF memory card
<br>>
<br>> With 3D wire
<br>>
<br>>
<br>>
<br>>
<br>> _______________________________________________
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<br>
<br>Message: 4
<br>Date: Tue, 26 Jan 2021 15:38:59 -0500
<br>From: Michael Monaghan <<a href="mailto:mike@chipworks.net">mike@chipworks.net</a>>
<br>To: Triangle Embedded Interest Group <<a href="mailto:triembed@triembed.org">triembed@triembed.org</a>>
<br>Subject: Re: [TriEmbed] ESP8266 Programming tip
<br>Message-ID:
<br> <CAGToJnbxnd8Ufh6gUZS0bTBe3pgLEt0EWRvNUALNzh=<a href="mailto:dJNvSrA@mail.gmail.com">dJNvSrA@mail.gmail.com</a>>
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<br>
<br>John,
<br>
<br>> I am not sure why you could not change a variable if it is global and
<br>done fast.
<br>
<br>Because we have no idea what state the variables were in when the service
<br>routine was called. Were they being inspected by main code? Or modified?
<br>Perhaps Garbage collection is in progress? Without a bit of blocking code
<br>to demand a known state, we're flying blind.
<br>
<br>> I may try that when I get around to the Robotics with the ESP32. That is
<br>very interesting for sure. I like the REPL concept alot.
<br>Robotics are on the wish list... I just have about 3 million lines of code
<br>before I can take on another hobby.
<br>
<br>Python is my go-to language. Only rarely do I have to use C++ to force the
<br>solution.
<br>
<br>Mike
<br>
<br>On Tue, Jan 26, 2021 at 2:45 PM John Vaughters via TriEmbed <
<br><a href="mailto:triembed@triembed.org">triembed@triembed.org</a>> wrote:
<br>
<br>> Carl,
<br>>
<br>> I do not NEED the delay, I just need to read the A0 at 1 ms intervals. I
<br>> don't need to stop the processor for that, I need to code it responsibly if
<br>> I want it to work the best way I want. I was being lazy expecting my time
<br>> frame to be well within the parameters required for the desired end result.
<br>> And the solution I finally did does work, but I have now been motivated to
<br>> make it better.
<br>>
<br>> Mike,
<br>>
<br>> Good info thanks. I have not verified, but yes I am thinking I may have
<br>> violated the watch dog. I am not sure why you could not change a variable
<br>> if it is global and done fast. I also dug a little deeper and the ticker I
<br>> am using is not the same that you find in Arduino. The one I am using is
<br>> suggesting the flag concept as I pointed out in the first post and is
<br>> working and the idea you also reinforced. I guess in general it is the
<br>> simplest guarantee for accurate loop integrity. It definitely works quite
<br>> well. I have looked at the micro-python. I may try that when I get around
<br>> to the Robotics with the ESP32. That is very interesting for sure. I like
<br>> the REPL concept alot.
<br>>
<br>> I can spend a little more time for a better solution. Dang it and I
<br>> thought I was done with this part. `,~)
<br>>
<br>> Thanks,
<br>>
<br>> John Vaughters
<br>>
<br>> _______________________________________________
<br>> Triangle, NC Embedded Computing mailing list
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