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Gravity: GNSS GPS BeiDou Receiver Module - I2C & UART
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Global Navigation Satellite Systems (GNSS) provide critical timing and positioning functions for device operations.
This Gravity: GNSS positioning module from DFRobot supports BeiDou, GPS, GLONASS and other multi-satellite systems. It offers quick delivery of position data like longitude, latitude, altitude and time. Compared with traditional single GPS positioning, the multi-system combination embraces higher precision and faster speed thanks to the increased number of visible and available satellites, which ensures stable and accurate performance even in complex urban environments.
With I2C and UART data outputs, this GNSS positioning module works well with main controllers like Arduino, ESP32, and Raspberry Pi, which can be widely applied to outdoor positioning scenarios such as vehicle navigation and handheld positioning.
Connection Examples:
I2C Connection Diagram
UART Connection Diagram
Features
- Supports both single and multiple systems positioning
- Higher precision and faster speed than traditional single GPS positioning
Specifications
- Operating Voltage: 3.3 to 5.5V DC
- Output Signal: I2C/UART
- Positioning Accuracy: 2.0m CEP
- Time for First Positioning: 30s for a cold start; 2s for hot start
- Power Consumption: 40mA
- Antenna Interface: IPEX1
- Antenna Frequency: 1561-1575.42MHz±3MHz
- Dimension: 27mm x 37mm
Resources
Pinout
| Num | Label | Description |
| 1 | D/T | I2C data line SDA/UART Data Transmitting- TX |
| 2 | C/R | I2C clock line SCL/UART Data Receiving- RX |
| 3 | - | GND |
| 4 | + | VCC |
Package Contents
- 1x Gravity: GNSS Positioning Module
- 1x GPS/BeiDou Active Ceramic Antenna (IPEX1 Connector)
- 1x Gravity 4P Sensor Cable
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4.00
Based on 1 review
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Product Reviews
Gravity: GNSS GPS BeiDou Receiver Module - I2C & UART
I've only given my review 4* since I've not had a chance to use it yet. I bought it to replace the popular GPS module I'm using just now which works well indoors using an antenna but only has a USB (Tx/Rx) port and the UNO R3 only has one Tx/Rx port (which I'm using for a RT-clock). I don't anticipate any problems connecting it to I2C since the quality build of this breakout board looks very good. It comes with an antenna, connection wires and an include.h file which can be downloaded for the Arduino. The service from PiHut was also first-class with delivery within a couple of days and YES I'll order from them again.
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2 years ago
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