The NEO-6M is a GPS receiver module used to determine position, speed, and time from satellite signals. It typically communicates with a microcontroller over UART serial using TX and RX, with VCC and GND for power, and a PPS pin for precise timing output.
| Pin | Signal | Description |
|---|---|---|
TX |
TX | UART transmit output from the GPS module — connect to the host MCU RX. |
GND |
ground | Ground reference for power and UART signals. |
VCC |
power | Power input for the GPS module, typically 3.3–5V depending on board regulator. |
RX |
RX | UART receive input to the GPS module — connect to the host MCU TX. |
PPS |
digital | Pulse-per-second timing output from GPS lock for precise synchronization. |
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