Difference between revisions of "MCookie-GPS"
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==Features== | ==Features== | ||
| − | *High | + | *High flexibility; |
| − | *The update rate can reach 5Hz | + | *The update rate can reach 5Hz maximumly; |
| − | *Supported by strong-function PC upper computer：u- | + | *Supported by strong-function PC upper computer：u-center; |
| − | *PPS indicating lights, which can make it convenient to judge the current state of the | + | *PPS indicating lights, which can make it convenient to judge the current state of the module; |
| − | *Built-in rechargeable battery back-up（support the warm start or hot | + | *Built-in rechargeable battery back-up（support the warm start or hot start）; |
| − | *Small, cheap, stackable, and | + | *Small, cheap, stackable, and open; |
| − | *Ope-source hardware circuit design, and compatible-with-Arduino programming development | + | *Ope-source hardware circuit design, and compatible-with-Arduino programming development environment. |
==Specification== | ==Specification== | ||
| − | *Communication | + | *Communication protocol: |
| − | **Microduino NEO-6M module adopts NMEA-0183 protocol to output GPS location data by default, and it can configure the modules through UBX | + | **Microduino NEO-6M module adopts NMEA-0183 protocol to output GPS location data by default, and it can configure the modules through UBX protocol; |
| − | *Receiving characteristics | + | *Receiving characteristics: |
**50 channel, GPS L1(1575.42Mhz) C/A code, SBAS:WAAS/EGNOS/MSAS | **50 channel, GPS L1(1575.42Mhz) C/A code, SBAS:WAAS/EGNOS/MSAS | ||
| − | **Capture tracking | + | **Capture tracking sensitivity: -161dBm |
*Accuracy of positioning | *Accuracy of positioning | ||
| − | **2.5 mCEP | + | **2.5 mCEP （SBAS: 2.0mCEP） |
*Update date | *Update date | ||
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*Capture time | *Capture time | ||
**Cold start : 27S（at the soonest） | **Cold start : 27S（at the soonest） | ||
| − | **Hot | + | **Hot start: 1S |
*The attached: | *The attached: | ||
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*Characteristics of interfaces | *Characteristics of interfaces | ||
**TTL, compatible with 3.3V/5V single-chip microcomputer system | **TTL, compatible with 3.3V/5V single-chip microcomputer system | ||
| − | **Serial communication baud | + | **Serial communication baud rate: |
| − | ***Microduino NEO-6M module supports multiple communication baud | + | ***Microduino NEO-6M module supports multiple communication baud rate: 4800, 9600, 38400（default）, 57600; |
| − | *Set baud rate through the two resistance on the module（R3 and R4, recommend 1k | + | *Set baud rate through the two resistance on the module（R3 and R4, recommend 1k value）: |
{|class="wikitable" | {|class="wikitable" | ||
| − | ! rowspan="1" | R3 || R4 || Protocol ||Baud | + | ! rowspan="1" | R3 || R4 || Protocol|| Baud Rate |
| + | |- | ||
| Not weld || Not weld || NMEA || 9600 | | Not weld || Not weld || NMEA || 9600 | ||
|- | |- | ||
| − | | Not weld || Weld|| NMEA || 38400 | + | | Not weld ||Weld || NMEA || 38400 |
|- | |- | ||
| − | | Weld ||Not weld || NMEA || 4800 | + | | Weld || Not weld || NMEA || 4800 |
|- | |- | ||
| Weld || Weld || UBX || 57600 | | Weld || Weld || UBX || 57600 | ||
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===PPS Status Indicator Lamp=== | ===PPS Status Indicator Lamp=== | ||
| − | *The light is connect to the TIMEPULSE port of UBLOX NEO-6M module set, and the output characteristics of the port can be set by the | + | *The light is connect to the TIMEPULSE port of UBLOX NEO-6M module set, and the output characteristics of the port can be set by the program; |
| − | *PPS light has two status, by default（without the program | + | *PPS light has two status, by default（without the program set）: |
| − | **Lights all the time, means the module has started to work, but not yet realize | + | **Lights all the time, means the module has started to work, but not yet realize positioning; |
**Twinkle（100ms off, and 900ms on）, means the module has positioned successfully; | **Twinkle（100ms off, and 900ms on）, means the module has positioned successfully; | ||
*It is convenient to judge the current status of the module through the PPS indicator light. | *It is convenient to judge the current status of the module through the PPS indicator light. | ||
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===Jumper Change=== | ===Jumper Change=== | ||
| − | *Players change module jumper by themselves：Cut off the wire on the center and the left of the two groups（D2 and D3） of bonding pad, and weld the middle and the right | + | *Players change module jumper by themselves：Cut off the wire on the center and the left of the two groups（D2 and D3） of bonding pad, and weld the middle and the right （RX0, TX1）of the bonding pad. |
| − | **If you has used the method of changing the jumper, you can connect Microduino NEO-6M with the serial port of the core, and change from TX-D2 and RX-D3 | + | **If you has used the method of changing the jumper, you can connect Microduino NEO-6M with the serial port of the core, and change from TX-D2 and RX-D3 to: TX-RX0, RX-TX1. |
**After changing the jumper, when downloading programs, please unplug Microduino NEO-6M module；or it will have a conflict with downloading programs. | **After changing the jumper, when downloading programs, please unplug Microduino NEO-6M module；or it will have a conflict with downloading programs. | ||
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===Use Items of Library=== | ===Use Items of Library=== | ||
| − | *Open the | + | *Open the example"gps_test" program |
[[file:gps_test.jpg|thumb|600px|center]] | [[file:gps_test.jpg|thumb|600px|center]] | ||
| − | *Please confirm that the GPS module baud rate in void setup() is 38400, | + | *Please confirm that the GPS module baud rate in void setup() is 38400, namely:GPS.begin(38400); |
| − | *If you | + | *If you haven't altered the jumper wire on the reverse of the module: |
**When using Core+ to debug, you need to confirm that the program has the following definition：Adafruit_GPS GPS(&Serial1); | **When using Core+ to debug, you need to confirm that the program has the following definition：Adafruit_GPS GPS(&Serial1); | ||
| − | **When using Core to debug, you need to change | + | **When using Core to debug, you need to change "Adafruit_GPS GPS(&Serial1)" into "SoftwareSerial mySerial(3, 2); and Adafruit_GPS GPS(&mySerial);" |
| − | *If you have changed the jumper on the reverse of the | + | *If you have changed the jumper on the reverse of the module: |
| − | **When download programs, please unplug Microduino NEO-6M | + | **When download programs, please unplug Microduino NEO-6M module; |
| − | **When using Core or Core+ to debug, you need to confirm that the program has the following | + | **When using Core or Core+ to debug, you need to confirm that the program has the following definition: Adafruit_GPS GPS(&Serial); |
==Application== | ==Application== | ||
===Program Download=== | ===Program Download=== | ||
| − | The testing | + | The testing programs: '''[[File:Program Test mCookie-GPS.zip]]''' |
===Test Microduino NEO-6M Module=== | ===Test Microduino NEO-6M Module=== | ||
| − | *Hardware needs to be | + | *Hardware needs to be prepared: Microduino USBTTL, Microduino Core+, Microduino OLED, Microduino GPS; |
| − | *Software needs to be | + | *Software needs to be prepared: Arduino IDE（Version 1.0 and above）, Adafruit_GPS library, and the testing programs （Arduino end）that Microduino provides; |
| − | *Environment need | + | *Environment need preparing: Open area, please don't test indoor. |
| − | *After downloading, | + | *After downloading, you'd better stack Microduino NEO-6M after cut off the electricity, to prevent stacking error , leading to short circuit and burn the modules. |
| − | *You can watch OLED after powering | + | *You can watch OLED after powering on: |
| − | **After about half a minute, the date and time will be displayed | + | **After about half a minute, the date and time will be displayed firstly; |
**Continue waiting. When you see the PPS indicator light is twinkling, the velocity, latitude and longitude indexes should be all displayed. If not, please restart Microduino Core. | **Continue waiting. When you see the PPS indicator light is twinkling, the velocity, latitude and longitude indexes should be all displayed. If not, please restart Microduino Core. | ||
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==History== | ==History== | ||
Latest revision as of 03:25, 4 August 2017
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It may be the most beautiful GPS module that you have ever met. The core adopts UBLOX NEO-6M modules combination, which has high flexibility and the update rate can reach 5Hz. It adopts mini ceramic antenna of IPEX interface , and it has built-in rechargeable battery back-up.
ContentsFeatures
Specification
Description of Pins
PPS Status Indicator Lamp
DocumentsMain Component
Development*Please confirm whether the current of the +3.3v power supply can reach 200ma. It is not recommended that directly use the FT232R to debug, because the +3.3v current that FT232R outputs is too small. Jumper Change
Arduino Library and Support Package
Use Items of Library
ApplicationProgram DownloadThe testing programs: File:Program Test mCookie-GPS.zip Test Microduino NEO-6M Module
FAQ
PurchaseHistoryLibrary
Video |
