HEX/ProfiCNC Here+ RTK GPS

The Here+ RTK GPS receiver is a small, light and energy efficient RTK GPS module, based on the u-blox M8P. 使用RTK,PX4控制器可以获取到它的位置,并且这个位置的精度可以达到厘米级的精度,这比普通GPS提供的位置更加精确。

Hex Here+ - 图1

购买

配置

RTK setup and use on PX4 via QGroundControl is largely plug and play (see RTK GPS for more information).

接线和连接

The Here+ GPS comes with an 8 pin connector that can be inserted directly into the Pixhawk 2 GPS UART port.

The Pixhawk 3 Pro and Pixracer have a 6 pin GPS port connector. For these controllers you can modify the GPS cable (as shown below) to remove pin 6 and 7.

Hex Here+ - 图2

Pin 6 and 7 are for the safety button - these can be attached as well if needed.

针脚定义

The Here+ GPS pinout is provided below. 这可用于帮助用户修改接口线序以适配其它自动驾驶仪板的连接器。

引脚 Here+ GPS 引脚 Pixhawk 3 Pro GPS
1 VCC_5V 1 VCC
2 GPS_RX 2 GPS_TX
3 GPS_TX 3 GPS_RX
4 SCL 4 SCL
5 SDA 5 SDA
6 BUTTON - -
7 BUTTON_LED - -
8 GND 6 GND