Cool new lost-cost RTK GPS from Tersus. Pixhawk compatible. From the team:
L1/L2 dual frequency, high end: $799,
L1 only (UBLOX M8 inside) with in-house software RTK and IMU; $499.
Compatible with Pixhawk, We use UART to talk with Pixhawk
GPS Connector (or any other UART connector)
- Pixhawk GPS +5V (pin 1) - Precis +5V
- Pixhawk GPS TX (pin 2) - Precis RX
- Pixhawk GPS RX (pin 3) - Precis TX
- Pixhawk GPS GND (pin 6) - Precis1 GND
Here's a great example of its precision, marking the edges of a table:
More info in this discussion
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