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GNSS Module for Raspberry Pi Pico (L76B)
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Awesome Extras
Use your Raspberry Pi Pico for global navigation and positioning!
This is an L76B-based GNSS module designed for the Raspberry Pi Pico, with multi-satellite system support including GPS, BDS, and QZSS. The board comes complete with a matching GPS antenna.
This Pico HAT offers fast positioning, high accuracy and low power consumption. The board includes an ML1220 rechargeable battery holder, which allows the module to preserve ephemeris information and hot starts. Do not use a standard non-recharagable CR1220 battery in this board!
Your Pico slots into the pre-soldered female headers and the online resources help you get started quickly and easily, including example code.
Raspberry Pi Pico not included. You'll need a Pico with male headers soldered to it. You can grab a Pico here and Pico male headers here, or buy a Pico with pre-soldered headers.
Features
- Compatible with Raspberry Pi Pico
- Multi satellite systems support: GPS, BDS, and QZSS
- EASY, self track prediction technology, help quick positioning
- AlwaysLocate, intelligent controller of periodic mode for power saving
- Supports D-GPS, SBAS (WAAS/EGNOS/MSAS/GAGAN)
- UART communication baudrate: 4800~115200bps (9600bps by default)
- Onboard battery holder, supports ML1220 rechargeable cell, for preserving ephemeris information and hot starts
- 4x LEDs for indicating the module operating status
- Online development resources and manual (Raspberry Pi Pico examples)
Specifications
| Frequency band: | Channels: 33 tracking ch, 99 acquisition ch, 210 PRN ch |
| GPS L1 (1575.42Mhz) | C/A code |
| BD2 B1 (1561.098MHz) | SBAS: WAAS, EGNOS, MSAS, GAGAN |
| Horizontal position accuracy | <2.5m CEP |
| (autonomous positioning) | |
| Time-To-First-Fix @ -130dBm | Cold starts: <15s |
| (EASY enabled) | Warm starts: <5s |
| Hot starts: <1s | |
| Sensitivity | Acquisition: -148dBm |
| Tracking: -163dBm | |
| Re-acquisition: -160dBm | |
| Dynamic performance | Altitude (max): 18000m |
| Velocity (max): 515m/s | |
| Acceleration (max): 4g | |
| Communication interface | UART |
| Baudrate | 4800~115200bps (9600bps by default) |
| Update rate | 1Hz (default), 10Hz (max) |
| Protocols | NMEA 0183, PMTK |
| Power supply voltage | 5V |
| Operating current | 13mA |
| Overall current consumption | < 40mA@5V (Continue mode) |
| Operating temperature | -40℃ ~ 85℃ |
| Dimensions | 52 × 21mm |
What's Onboard?
1) L76B module
2) Battery holder
- Supports ML1220 rechargeable cell, for preserving ephemeris information and hot starts
3) GNSS antenna connector
4) Raspberry Pi GPIO header
5) Standby mode switch
6) Backup mode wakeup button
7) RT9193-33
- Power chip
8) Status indicators
- RXD/TXD: UART TX/RX indicator
- PPS: GPS status indicator
- PWR: power indicator
Resources
Pinout
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