M5Stack GPS/BDS Unit v1.1 (AT6668)
Multi-constellation GNSS positioning unit (GPS, BeiDou, and others) based on the AT6668/ATGM336H family with ceramic patch antenna. Connects to M5Stack Grove PORT.C via UART.
Multi-constellation GNSS positioning unit (GPS, BeiDou, and others) based on the AT6668/ATGM336H family with ceramic patch antenna. Connects to M5Stack Grove PORT.C via UART.
Ground
5 V supply
UART receive
UART transmit
| Pin | Position | Type | Function |
|---|---|---|---|
| GND | 1 | Ground | Ground |
| 5V | 2 | Power | 5 V supply |
| UART_RX | 3 | Unknown | UART receive |
| UART_TX | 4 | Unknown | UART transmit |
Ground
5 V supply
UART receive
UART transmit
UART · I2C · USB · 3.3 – 5 V · Breakout
Verify supply voltage and logic levels before powering up.
Module pins: 5V, GND. Schematik maps them to your board in the app.
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