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This product is no longer available

We no longer stock smôl ZOE-M8Q, but here are current alternatives in GPS & Location Sensors.

smôl ZOE-M8Q

smôl ZOE-M8Q

Discontinued

The smôl ZOE-M8Q is a miniaturised GNSS receiver board built around the u-blox ZOE-M8Q 72-channel module. It receives signals from GPS, GLONASS, BeiDou, and Galileo constellations simultaneously for improved precision and faster position lock. Designed for the smôl ecosystem, it connects via 16-way 0.5 mm FPC cables and can be stacked with other smôl boards.

To minimise power consumption, the ZOE-M8Q can be fully powered down via GPIO0 when not in use. An on-board rechargeable battery maintains the RTC and orbit data for up to five hours without power, reducing time-to-first-fix from ~26 s (cold) to ~1 s (hot). A u.FL connector accepts both standard ceramic and chip-scale antennas, with 3.3 V provided for active antennas.

Key Features

  • 72-Channel GNSS – GPS, GLONASS, BeiDou, and Galileo reception
  • 2.5 m Horizontal Accuracy – High-precision positioning
  • 18 Hz Max Update Rate – Fast position updates for dynamic applications
  • Hot Start in ~1 s – On-board rechargeable battery maintains RTC and ephemeris data
  • Complete Power-Down – GPIO0 control for ultra-low-power sleep
  • u.FL Antenna Connector – Supports passive and active antennas (3.3 V supplied)
  • Configurable – Geofencing, odometer, spoofing detection, low-power mode

Specifications

  • GNSS Module – u-blox ZOE-M8Q
  • Channels – 72
  • Horizontal Accuracy – 2.5 m
  • Max Update Rate – 18 Hz
  • Time-To-First-Fix – Cold: 26 s / Hot: 1 s
  • Max Altitude – 50,000 m
  • Max Velocity – 500 m/s
  • Velocity Accuracy – 0.05 m/s
  • Heading Accuracy – 0.3°
  • Current (Tracking) – ~29 mA (GPS + GLONASS)
  • Protocols – NMEA, UBX, RTCM over I²C
  • I²C Address – 0x42 (default)
  • Dimensions – 40.6 × 10.7 × 4.5 mm (max height incl. u.FL)
  • PCB Thickness – 0.8 mm
  • Weight – 1.4 g
Note: An external GNSS antenna (u.FL) is required — not included. GPIO0 controls power to the ZOE-M8Q: pull low to enable, leave floating or pull high to disable (default).

Ideal For

  • Wildlife and asset tracking
  • Miniaturised GNSS logging
  • Long-term environmental monitoring
  • Ultra-compact location-aware IoT devices

Resources

Maddy, co-founder of Little Bird

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