Raspberry Pi Pinout

This page needs translating, can you help?

Uputronics GPS Expansion Board

Adds location and PPS to enable precision time keeping to your Raspberry Pi.


  • 166 dBm sensitivity, 18Hz update rate, 72 channel
  • Supports up to 3 concurrent GNSS sources GPS (American) GALILEO (European) Glonass (Russian) QZSS (Japan) and BeiDou (China)
  • PPS Output on fix (programmable 0.25Hz -> 10MHz)
  • LED indicator on PPS
  • Altitude limit 50km in flight mode
  • Robust SMA connector for external antenna
  • Current draw 6mA in cyclic mode up to 18mA in acquire.

I2C is connected but uses clock stretching.

Command reference guide: U-Blox M8 Receiver Description


  • fabriqué par Uputronics
  • carte au format HAT
  • alimentation 3v3
  • 5 broches GPIO actives
  • communication par bus I2C
  • 0x00: UBLOX
  • plus d'info
  • achat
Uputronics GPS Expansion Board