GPS/BDS Module

Introduction


This Grove - GPS/BDS module is base on the low cost and high perfermonce TD1030 module. It supports GPS, BDS as well as the GLONAS system.

The sensitivity of tracking and acquisition both reach up to -163dBm, making it a great choice for personal navigation projects and location services, as well as an outstanding one among products of the same price class.

Partlist


  1. GPS/BDS Module
  2. GSP antenna
  3. Grove cable

Features


  • Supports BDS, GPS as well as GLONAS system.
  • Supports A-GNS and D-GNS
  • AEC-Q100 Certification
  • Output freq up to 10Hz
  • Standard 1PPS and programmable TIME_MARK output
  • Positioning accuracy: 3m
  • Speed accuracy: 0.1m/s
  • Cool start time < 28s
  • 3.3V/5V operating voltage
  • Default baudrate: 9600
  • Supports NMEA protocols
  • LOw power consumption

Hardware Overview


  1. 4 pin 2.0mm Grove Connector
  2. Power indicator
  3. N3303-3 GPS Module
  4. PPS indicator
  5. Antenna connector

AT Command


You can achieve the complete function of this GPS/BDS module with only a few AT command.

1. Set the baudrate

Baru rate ASCII cmd HEX cmd
4800 $CCCAS,1,0*50 23 3E 03 21 06 00 01 01 00 00 00 01 2D 83
9600 $CCCAS,1,1*51 23 3E 03 21 06 00 01 02 00 00 00 01 2E 88
19200 $CCCAS,1,2*52 23 3E 03 21 06 00 01 03 00 00 00 01 2F 8D
38400 $CCCAS,1,3*53 23 3E 03 21 06 00 01 04 00 00 00 01 30 92
57600 $CCCAS,1,4*54 23 3E 03 21 06 00 01 05 00 00 00 01 31 97
115200 $CCCAS,1,5*55 23 3E 03 21 06 00 01 06 00 00 00 01 32 9C

2. Output freq

Time ASCII cmd HEX cmd
100ms $CCINV,100,*60 23 3E 03 35 03 00 64 00 01 A0 8F
200ms $CCINV,200*4F 23 3E 03 35 03 00 C8 00 01 04 BB
500ms $CCINV,500,*64 23 3E 03 35 03 00 F4 01 01 31 41
1s $CCINV,1000,*50 23 3E 03 35 03 00 E8 03 01 27 21
5s $CCINV,5000*78 23 3E 03 35 03 00 88 13 01 D7 21
10s $CCINV,10000,*60 23 3E 03 35 03 00 10 27 01 73 E1
60s $CCINV,60000,*67 23 3E 03 35 03 00 60 EA 01 86 57

3. Others

  • Sleep: 23 3E 02 04 01 00 01 08 1E
  • Check version: 23 3E 05 01 00 00 06 17

GPS Usage

The GPS Module use serial port to output the GPS data, you just need to connect this module to your PC via the USB type C cable, using any serial tool such as putty, you will be able to get the GPS data.

As shown below:

In order to parse the received GPS data, you need to refer to the http://aprs.gids.nl/nmea/.

Reference