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SparkFun NEO-M9N GPS Breakout 外接天線版本 (Qwiic) U-BLOX 高精度GPS
SparkFun NEO-M9N GPS Breakout是一個高品質的GPS板,具有同樣令人印象深刻的配置選項,包括SMA。NEO-M9N模塊是一個92通道的u-blox M9引擎GNSS接收器,意味著它可以接收來自GPS、GLONASS、Galileo和BeiDou星座的信號,精度約為1.5米。這個分支支持同時接收四個GNSS。這最大程度地提高了位置精度,在挑戰性的條件下增加了精度,減少了鎖定時間;由於板上有可充電電池,您將擁有備用電源,使GPS能夠在幾秒內獲得熱鎖!此外,這款u-blox接收器支持I2C(u-blox稱之為顯示數據通道),這使得它非常適合Qwiic兼容性,因此我們不必使用寶貴的UART端口。利用我們方便的Qwiic系統,連接到您系統的其餘部分無需焊接。然而,我們仍然打破了0.1英寸間距的引腳,以防您更喜歡使用面包板。
NEO-M9N模組可以檢測到干擾和欺騙事件並將其報告給主機,以便系統對此類事件做出反應。在NEO-M9N模組中集成了一個SAW(表面聲波)濾波器和RF路徑中的LNA(低噪聲放大器),使得即使在強烈的RF干擾下也能實現正常操作。
基於u-blox的GPS產品可使用流行但密集的Windows程序u-center進行配置。 NEO-M9N可以配置許多不同的功能:波特率、更新率、地理圍欄、欺騙檢測、外部中斷、SBAS/D-GPS等等。所有這些都可以在SparkFun Arduino庫中完成!
SparkFun NEO-M9N GPS Breakout還配備了一個板上可充電電池,可為NEO-M9N上的RTC提供電源。這將從冷啟動(約24秒)到熱啟動(約2秒)減少定位所需的時間。該電池可以在沒有連接電源的情況下維持RTC和GNSS軌道數據的狀態很長一段時間。
特色與規格
- 集成 SMA 連接器,可與您選擇的天線一起使用
- 92 通道 GNSS 接收器
- 1.5m水平精度
- 25Hz 最大更新率(四個並發 GNSS)
- 首次修復時間:
- 冷:24s
- 熱:2s
- 最大海拔高度:80,000m
- 最大重力:≤4
- 最大速度:500m/s
- 速度精度:0.05m/s
- 航向精度:0.3度
- 時間脈衝精度:30ns
- 3.3V VCC 和 I/O
- 電流消耗:~31mA 跟踪 GPS+GLONASS
- 軟件可配置
- 地理圍欄
- 里程表
- 欺騙檢測
- 外部中斷
- 引腳控制
- 低功耗模式
- 好多其它的!
- 通過 UART 或 I2C 接口支持 NMEA、UBX 和 RTCM 協議
文件與資源
- 原理圖
- 鷹檔案
- 電路板尺寸
- 聯播指南
- 構建 GPS 系統
- 數據表(NEO-M9N)
- 產品概要
- 集成手冊
- u-blox 協議規範
- NEO-M9M 文檔和資源
- 優中心軟件
- SparkFun u-blox GNSS Arduino 庫
- GitHub 硬件回購
SparkFun GPS Breakout – NEO-M9N, Chip Antenna (Qwiic)
The SparkFun NEO-M9N GPS Breakout is a high quality GPS board with equally impressive configuration options including SMA. The NEO-M9N module is a 92-channel u-blox M9 engine GNSS receiver, meaning it can receive signals from the GPS, GLONASS, Galileo, and BeiDou constellations with ~1.5 meter accuracy. This breakout supports concurrent reception of four GNSS. This maximizes position accuracy in challenging conditions increasing, precision and decreases lock time; and thanks to the onboard rechargeable battery, you’ll have backup power enabling the GPS to get a hot lock within seconds! Additionally, this u-blox receiver supports I2C (u-blox calls this Display Data Channel) which makes it perfect for the Qwiic compatibility so we don’t have to use up our precious UART ports. Utilizing our handy Qwiic system, no soldering is required to connect it to the rest of your system. However, we still have broken out 0.1″-spaced pins in case you prefer to use a breadboard.
The NEO-M9N module detects jamming and spoofing events and can report them to the host, so that the system can react to such events. A SAW (Surface Acoustic Wave) filter combined with an LNA (Low Noise Amplifier) in the RF path is integrated into the NEO-M9N module which allows normal operation even under strong RF interferences.
U-blox based GPS products are configurable using the popular, but dense, windows program called u-center. Plenty of different functions can be configured on the NEO-M9N: baud rates, update rates, geofencing, spoofing detection, external interrupts, SBAS/D-GPS, etc. All of this can be done within the SparkFun Arduino Library!
The SparkFun NEO-M9N GPS Breakout is also equipped with an on-board rechargeable battery that provides power to the RTC on the NEO-M9N. This reduces the time-to-first fix from a cold start (~24s) to a hot start (~2s). The battery will maintain RTC and GNSS orbit data without being connected to power for plenty of time.
Features
- Integrated SMA connector for use with antenna of your choice
- 92-Channel GNSS Receiver
- 1.5m Horizontal Accuracy
- 25Hz Max Update Rate (four concurrent GNSS)
- Time-To-First-Fix:
- Cold: 24s
- Hot: 2s
- Max Altitude: 80,000m
- Max G: ≤4
- Max Velocity: 500m/s
- Velocity Accuracy: 0.05m/s
- Heading Accuracy: 0.3 degrees
- Time Pulse Accuracy: 30ns
- 3.3V VCC and I/O
- Current Consumption: ~31mA Tracking GPS+GLONASS
- Software Configurable
- Geofencing
- Odometer
- Spoofing Detection
- External Interrupt
- Pin Control
- Low Power Mode
- Many others!
- Supports NMEA, UBX, and RTCM protocols over UART or I2C interfaces
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