Need help to choose the GPS development board... - Page 1
Forum section: electronics / general

author: muthukural001
author_rank: Regular Contributor
timestamp: December 21, 2019, 03:14:10 pm
content: Hi,I have a microcontroller development board and I want to buy a GPS board to interface with the microcontroller board for my learning. I can write driver code in C for GPS to interface with the microcontroller. Since I have never worked with GPS, I am not sure that how to process the output of the GPS. Is there any GPS vendor offering the GUI where I can input the output of the GPS over USB and can see the location as we can see in the Google map.It would be grateful if anyone suggest in helping the GPS development board selection.Thanks and Regards,Muthu

author: awallin
author_rank: Frequent Contributor
timestamp: December 21, 2019, 03:31:48 pm
content: ublox has u-center which runs on win and under wine on linux. on linux gpsd can also receive and parse most of the data over serial/usb that a ublox outputs.the latest dual-frequency is the series 9, either M9 or F9 (timing) - but lower priced ones might work for you also depending on what you want.

author: EEEnthusiast
author_rank: Frequent Contributor
timestamp: December 21, 2019, 03:54:54 pm
content: Most GPS receivers send out NMEA data. this is an ASCII format string which can be easily parsed to extract the Lat, Lon , Alt and time information.http://www.gpsinformation.org/dale/nmea.htm

author: aix
author_rank: Regular Contributor
timestamp: December 21, 2019, 09:13:39 pm
content: To add to that, the NMEA interface tends to be over serial (UART), which is pretty easy to interface with using either a computer (with a USB-to-serial adapter) or a microcontroller.

author: JustMeHere
author_rank: Frequent Contributor
timestamp: December 22, 2019, 04:13:53 am
content: Typically the GPS outputs 4800 8N1 serial at a rate of one NEMA string per second. 3v3 is what I've seen most. Target about $35.

author: EEEnthusiast
author_rank: Frequent Contributor
timestamp: December 22, 2019, 07:02:55 am
content: $35 is way too high. I have seen uBlox modules without antenna sell for $5 to $7 in small quantity.

author: hans
author_rank: Super Contributor
timestamp: December 22, 2019, 10:11:11 am
content: You sure? Most "uBlox" modules on Ebay, etc. are fake units that try to spoof u-blox protocols.Nonetheless, you can use those knockoffs with NMEA, but I wouldn't expect that great accuracy or satellite tracking.

author: coromonadalix
author_rank: Super Contributor
timestamp: December 22, 2019, 02:52:17 pm
content: Bought ublox 5 modules on ebay years ago, they works fine up to this day ? they are mini pci boards with the usb interface, put them on a mini pci to usb converter and i use them with a laptop once in a while with an hacked "cough cough" garmin pc, they receive 12 satellites.

author: EEEnthusiast
author_rank: Frequent Contributor
timestamp: December 23, 2019, 03:19:24 am
content: You could also check out the CC4000 modules from TI. It is a bit old gen GPS, but works reliably. We are yet to see any knock-offs.I am not sure of the availability of these in the market as these were never popular with the hobbyists.Disclaimer : I had designed the CC4000 module and the EVM while at Texas Instruments.