Does the Adafruit Ultimate GPS Logger Shield work with netduino? Not the older one, this one:
http://www.adafruit.com/products/1272
I would also be interested in that

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nhale's ContentThere have been 29 items by nhale (Search limited from 20-April 23) #57235 Compatible Shields and AccessoriesPosted by nhale on 31 March 2014 - 03:38 PM in Netduino 2 (and Netduino 1)
I would also be interested in that #57341 Microsoft Build 2014 (and Netduino SDK for Azure)Posted by nhale on 04 April 2014 - 09:59 AM in General Discussion Hi,
great to hear that Microsoft will spend more work in enhancing the .NET MF. I also like that you guys are working on further improvements for the Netduino-plattform and I could imagine that you get some sponsorship by adding Azure support (you don't need to confirm or deny ;-))
Azure itself is an interesting platform, the reason why I still run my own server is that it's cheaper when you don't just need a plain webserver. For me I need also some more database space, which makes Azure quite expensive very fast - are you maybe also in discussion with Microsoft to provide some IoT/Netduino-pricing which also fits more to the pricing segment of low-cost devices?
Thanks #57321 Netduino 2 Firmware v4.3.1 with GCC supportPosted by nhale on 03 April 2014 - 09:20 AM in Beta Firmware and Drivers Don't get me wrong but can maybe also explain the advantages, why I should use that? What's the benefits or what problem is solved? Just have no clue and ask myself if I should take a look at it ;-) #57328 Netduino 2 Firmware v4.3.1 with GCC supportPosted by nhale on 03 April 2014 - 05:54 PM in Beta Firmware and Drivers
thanks, that was the missing information ;-) #57031 Adafruit Ultimate GPS with N+2. Any experiences?Posted by nhale on 23 March 2014 - 07:05 PM in Netduino Plus 2 (and Netduino Plus 1) Do you have the small battery at the bottom at all times? Because this helped me, as the internal RTC is kept running and this helps the system to get the fix faster.
I've once had another GPS shield, which was a lot bigger and so on and I only got a fix only once and never again. With the Adafruit Ultimate board it's running without any problems.
Why is an external antenna no option? #57036 Adafruit Ultimate GPS with N+2. Any experiences?Posted by nhale on 23 March 2014 - 08:48 PM in Netduino Plus 2 (and Netduino Plus 1) I'm not familiar with these portable GPS devices but mobile phones also use the mobile network to get the GPS location. I remeber situations where there was no network signal and also the GPS could not get a fix. For both I think they have some kind of RTC, so try it with the backup battery. I have still the first one since about a year.
The problem with the connection to the Netduino is indeed somehow strange. #57221 Adafruit Ultimate GPS with N+2. Any experiences?Posted by nhale on 30 March 2014 - 10:06 AM in Netduino Plus 2 (and Netduino Plus 1)
Normally I'm running a N1+ or N2+ (but I also tested it with the non-plus variants). Both with the same configuration. + Arduino Protoshield with a -->Soldered Adafruit Ultimate GPS v3 connected to COM2 -->Soldered IC 74HC595 driving 3 bi-color LEDS (5mm) + Seeedstudio GPRS Shield v2 (per default because of the PCB design to COM1)
While debugging/development it's connected to the USB Port only and productive testing to 12V. In both scenarios I attach an external GPS antenna, as the results are much better. And getting a valid fix is faster.
I tried it yesterday with and without a backup battery, after removing the battery i was waiting for about 30 minutes. With backup battery it takes about 10-20 seconds to get a fix and a few seconds later a valid position Without backup battery it took about 2 minutes to get a fix and shortly after i got a valid position
I know that you want to drive it without an external antenna, but I think the setup above should show that there is something strange going on. Have you had the possibility to try another Netduino, just to eliminate the possibility of a problem with exactly this board. #57022 Adafruit Ultimate GPS with N+2. Any experiences?Posted by nhale on 23 March 2014 - 03:42 PM in Netduino Plus 2 (and Netduino Plus 1) Hi,
I'm running two of them without any problems on a N1 and N1+ device. Using N2(+) devices the same code does not run probably (even with the new 4.3.1)
Antenna: I always run the GPS board with an external antenna, as I noticed that the position is only accurate with an external antenna. When using the built-in antenna, the positions are about 20-50 meters off the original track. With antenna it's less than 1-2 meters.
Wiring: I have the board connected to the Rx/Tx and the 5V and GND nothing else.
Battery: As I also had some issues with getting a fix after disconnecting from the power source, I added the battery and since then it gets a fix after about 30 secs (even when I travelled about 350km without switching the device on). I think the combination of battery + antenna do the trick.
I don't know where you live, but in Germany I bought the antenna and the adapter cable from Exp-Tech as they deliver very fast (within 2 days). http://www.exp-tech....-Mount-SMA.html http://www.exp-tech....pter-Cable.html
Maybe some additional comment, you can switch between a 1Hz, 5Hz and 10Hz update rate. I still have problem with that and it sometimes works and sometimes not, but once the rate is set with the battery the setting is kept. To switch I have to change to 9600 baud and then restart the serial connection with the working-baudrate. With the following combinations I made good experience - 1Hz, 9600 Baud, Full data - 5Hz, 115200 Baud, RMC+GGA - 10Hz, 115200 Baud, RMC only (RMC+GGA currently under evaluation if results are good)
Hope this helps. using System; using System.IO.Ports; using System.Threading; using LL.Core; namespace LL.Gps { public class GpsConfig { #region Hertz // Set the update rate to 1 Hz public const string GPSUpdateRate1HZ = "$PMTK220,1000*1F"; // 5 Hz update rate- for 9600 baud you'll have to set the output to RMC or RMCGGA only public const string GPSUpdateRate5HZ = "$PMTK220,200*2C"; //5Hz // 10 Hz update rate - for 9600 baud you'll have to set the output to RMC only public const string GPSUpdateRate10HZ = "$PMTK220,100*2F"; //10Hz #endregion #region Data //turns on RMC (recommended minimum) and GGA (fix data) including altitude public const string GPSDataRecommendedMin = "PMTK_SET_NMEA_OUTPUT_RMCGGA"; //turns on only the "minimum recommended" data for high update rates! public const string GPSDataMinimum = "PMTK_SET_NMEA_OUTPUT_RMCONLY"; //turns on all the available data - for 9600 baud you'll want 1 Hz rate public const string GPSDataFull = "PMTK_SET_NMEA_OUTPUT_ALLDATA"; #endregion #region Baudrate public const string GPSBaudrate9600 = "$PMTK251,9600*17"; //9600 public const string GPSBaudrate57600 = "$PMTK251,57600*2C"; //57600 public const string GPSBaudrate115200 = "$PMTK251,115200*1F"; //115200 #endregion public void Set1Hz() { Logger.Log(LoggerSource.GPS, "Receiver set to 1Hz"); Thread.Sleep(1000); SendCommand(GPSBaudrate115200); Thread.Sleep(1000); SendCommand(GPSDataFull); Thread.Sleep(1000); SendCommand(GPSUpdateRate1HZ); } public void Set5Hz() { Logger.Log(LoggerSource.GPS, "Receiver set to 5Hz"); Thread.Sleep(1000); SendCommand(GPSBaudrate115200); Thread.Sleep(1000); SendCommand(GPSDataRecommendedMin); Thread.Sleep(1000); SendCommand(GPSUpdateRate5HZ); } public void Set10Hz() { Logger.Log(LoggerSource.GPS, "Receiver set to 10Hz"); Thread.Sleep(1000); SendCommand(GPSBaudrate115200); Thread.Sleep(1000); SendCommand(GPSDataRecommendedMin); Thread.Sleep(1000); SendCommand(GPSUpdateRate10HZ); } private void SendCommand(string line) { Send(line + "\r\n"); } private void Send(string line) { if (line != null && line != String.Empty) { while (!_serialPort.CanWrite) { Thread.Sleep(100); } System.Text.UTF8Encoding encoder = new System.Text.UTF8Encoding(); byte[] bytesToSend = encoder.GetBytes(line); _serialPort.Write(bytesToSend, 0, bytesToSend.Length); } } } } #57053 Adafruit Ultimate GPS with N+2. Any experiences?Posted by nhale on 24 March 2014 - 08:18 AM in Netduino Plus 2 (and Netduino Plus 1)
I know, I just wanted to say that you should not compare the mobile phone with a standalone GPS receiver, as the mobile phone has additional "support" through the network. I really think that you should try the backup battery and wait until you got a fix, then disconnect and reconnect with the Netduino (backup battery always attached). #52492 Netduino 2 Firmware v4.3.0 (beta 1)Posted by nhale on 01 September 2013 - 12:31 PM in Beta Firmware and Drivers Hi,
Is there any plan to release a new firmware soon, Beta started more than 1/2 year ago... My Netduino 2 and Netduino 2 Plus are not used at all, as I face multiple issues regarding debugging and deployment ;-( I'm happy that there are still N1(+) boards available as the 2 series does not work for me. #52804 Netduino 2 Firmware v4.3.0 (beta 1)Posted by nhale on 18 September 2013 - 10:48 AM in Beta Firmware and Drivers Hello??? Any official statements? #53205 Netduino 2 Firmware v4.3.0 (beta 1)Posted by nhale on 15 October 2013 - 07:34 AM in Beta Firmware and Drivers
So sounds for me N2(+) is dead - according to the availability and the missing statement from Chris. This means to me, that I will invest work in "Raspberry Pi" - goodbye #57061 Multiple Serials Ports in Threads - Best PracticesPosted by nhale on 24 March 2014 - 09:38 PM in Netduino Plus 2 (and Netduino Plus 1) I think we are talking about a similar problem here. I also have issues with reading from the serial port on N2(+) devices #52681 netduino plus 2 compatible gps/gsm modulePosted by nhale on 10 September 2013 - 09:52 AM in Netduino Plus 2 (and Netduino Plus 1) Take a look at these ones.
The Seeedstudio GPRS Shield v2.0 has GSM and GPRS support and you can replace the internal antenna http://www.seeedstud...tml?cPath=19_20 http://www.seeedstud...PRS_Shield_V2.0
and the Adafruit Ultimate GPS Breakout v3 gives you selectable rates of 1/5/10Hz, the possibility to connect an external antenna and everything on a quite small PCB. http://www.adafruit.com/products/746
Both work fine with my Netduino and both have the same type of u.FL connector for their antennas.
Have fun
#57322 Read data from CAN-Bus using ELM327Posted by nhale on 03 April 2014 - 09:24 AM in Netduino Plus 2 (and Netduino Plus 1) Hi,
thanks for the hint, I will take a look once my Buffer overflow problems are solved ;-( #57016 Read data from CAN-Bus using ELM327Posted by nhale on 23 March 2014 - 10:20 AM in Netduino Plus 2 (and Netduino Plus 1) Hi,
I bought a Sparkfun OBD-UART II board and I'm able to read data from the OBD interface. Now I need some additional data from the CAN-Bus which is not accessible via an OBD code.
Regarding to the spec of the ELM327 there are some commands related to CAN, but I don't really get the idea of how to read a value for a specific CAN-Id...
Maybe someone already did something in this direction and may help me out how to do this. For example I found this site with a CAN-Id and the description how the value is formatted: http://www.loopybunn...PC/can/0CE.html
I found some topics regarding some "MCPC2515" but I think that's different to the ELM327, or is the procedure the same (when leaving out that one works with SPI and the other UART)
Thanks in advance #57134 my Netduino 2 is stuck in BootLoader mode and its driver will not respondPosted by nhale on 26 March 2014 - 09:21 AM in Netduino 2 (and Netduino 1) Hi,
i have the same problem more often than I would like to. I'm currently trying to get my N2(+) devices running, and found out, that the N2-series is much more fragile when it comes to handling data (currently only evaluated the serialport). When the driver does not respond, in 99% it's a "Buffer overflow" message.
How to identify?
How to solve?
Altogether I'm not really happy with the new N2(+) series, by only introducing a Thread.Sleep(100) after reading the buffer on a SerialPort I got the buffer overflow problem again, while on the N1(+) series it works without any problem for month. Also working with the DataReceived event on the SerialPort causes a "buffer overflow" working with the same code in a simple while() did not make any problem. #57331 my Netduino 2 is stuck in BootLoader mode and its driver will not respondPosted by nhale on 03 April 2014 - 07:41 PM in Netduino 2 (and Netduino 1) I opened an issue for the problem. #57141 my Netduino 2 is stuck in BootLoader mode and its driver will not respondPosted by nhale on 26 March 2014 - 11:37 AM in Netduino 2 (and Netduino 1) Hi Chris,
sure the N2 is faster but from my point of view there must be another problem. Imagine the following: - GPS sensor sends data with 115200 baud and 10Hz updates (Adafruit Ultimate GPS v3), so the amount of data is always the same regardeless of N1 or N2. - N1 which is slower, so cannot read the data so fast --> I would expect the buffer overflow, but works fine. - N2 which is faster, so can read the data faster, to make memory free for new incoming data throws a buffer overflow... => Again the source of the data behaves the same. The code is the same, just the Netduino is different.
If you want that I file a bug, I can do this - but is discarding really the solution? What I'm missing is some kind of advice how things should be done - I tried several implementations of reading data from the serial port here from the forum and none of them is by default stable, all of them ran into the same problem after seconds or less than 5 minutes ;-( (and buffer or allocation problems only occured on N2)
If really discarding the data is the only way, than I think it would be somehow helpful to throw an exception which can be caught via code once a buffer overflow was detected, that you at least know what happened. Because currently it's just a lot of effort to find out what happened and get a fixed version again on the device (see my last post) #57320 my Netduino 2 is stuck in BootLoader mode and its driver will not respondPosted by nhale on 03 April 2014 - 09:05 AM in Netduino 2 (and Netduino 1) Hi Chris, In the "Main" there are two options when calling the Start-method. One works using a while loop and one using the DataReceived Event.
Attached Files
#50052 Community Netduino case ?!Posted by nhale on 28 May 2013 - 10:32 AM in General Discussion Hi, 3.) A self-made case would be the ideal way, but might be very costly for just 2-3 units. On the other hand I'm not good at CAD or whatever the manufacturer requires.
As this is a community, isn't there a way that we build an extendable case which can be used for several use-case - together?
As several cases only work for the Netduino itself or maximum 1 shield, most cases don't work if you are using 2 or more shields. On the other hand in most cases they are so small, that even adding some additional wires and plugs is very hard or impossible.
------ IDEA ----- [*]Build a case which can be stacked, like the shields do. Take a look at this one from thingiverse. That's somehow the groundplate, which contains the Netduino and how it could look like. [*]Additionally there could be some extension units, like 19" cases, in different heights which can be mounted on top (1 height for 1 shield, 2 heights for two shields etc.) [*]And then there is another cover on top. That's it... [*]To make it usable for different scenarios, some space on the side and back to be able to add additional stuff inside (cables, plugs) [*]If it's made of plastic, everybody can drill an additional hole. [/list]
As an example what I mean with space for additional plugs and wires, I attached the current version of my project. There you see the height of 2 shields and that there is little space left. I just need some connectors which are reliable when it comes to vibrations and movement. Additionally there are two more connectors planned and 3 LED's.
What do you think, anyone good at CAD or knows someone who can built it using injection molding or similar... Additional ideas are also welcome. Maybe describe what are your special needs and how do you think they could be solved generically?
Maybe also SecretLabs could produce and sell it ;-) #50056 Community Netduino case ?!Posted by nhale on 28 May 2013 - 02:28 PM in General Discussion Regarding the use case, this has to be discussed. Anyway I did not found any case which is big enough for 2 shields... If you have ever used the Speakon connectors from Neutrik you know how reliable they are. The one I used now is the power connector from Neutrik called Powercon. This one is much more robust and once fixed you will not be able to remove it without unlocking. As my box is placed in race cars which drive on bumpy racetracks (Caroussell, Nürburgring) you need something which does not disconnect accidentically. The problem with the RJ45 is, that the latch/nose and the connector breaks quite fast, if mechanics don't take care. The Powercon has 3 connectors and the Speakon is available with 2 and 4.
For the front/back plate I already thought about Laser cutting them. There is a german company providing a software for that. http://www.schaeffer....php?id=183&L=1 The idea was that there is maybe a demand for more variable cases, which already provide mounting holes at the right positions and just work without any adaptations. #52687 Connect Push-Button to Analog-PinsPosted by nhale on 10 September 2013 - 03:52 PM in Netduino 2 (and Netduino 1) Ok, thanks, when they are also just Digital IO's then there is already some example on the Wiki here. Many thanks!!! #52682 Connect Push-Button to Analog-PinsPosted by nhale on 10 September 2013 - 10:01 AM in Netduino 2 (and Netduino 1) Hi,
as my digital pins are nearly all in use, I asked myself if there is a possibility to connect a pushbutton like this one (http://www.conrad.co...product/706140/) [font="arial, helvetica, sans-serif;"]to the Analog pins?[/font]
Is this possible via the analog pins and if yes, is there some kind of tutorial how to do it with the analog pins? Is there some restriction in the cable length between button and pin? Do I need additional resistors or something like that? (sorry I'm no electronics guy ;-))
Thanks in advance. #57142 Commercial-grade duinoCases ...Posted by nhale on 26 March 2014 - 11:51 AM in Netduino 2 (and Netduino 1)
What are the maximum dimension in height and depth? E.g. I have Netduino, arduino protoshield and Seeedstudio GPRS shield v2 will it fit?
Do you ship to Germany?
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