upu-RPiGP

Raspberry Pi+ GPS Expansion Board

$37.95

This is an GPS expansion board designed specifically for the both the version 1,2 and 3 Raspberry Pi+ Models.

This board is designed for applications that use a GPS connected via the serial ports to the Raspberry Pi such as timing applications or general applications that require GPS information. To facilitate PPS the time pulse output is connected to a GPIO so you can utilize this board to give NTP PPS discipline. PPS does not work without an antenna.

This board is equipped with the latest Ublox MAX-M8Q positioning module and high quality filtering capacitors and inductors throughout. The MAX-M8Q features a RTC Crystal, very low power usage and high performance. Although not a true timing module it is more than adequate for a Pi based NTP Server. Its worth noting the module can, with a serial command, be placed in “Stationary” dynamic mode which is the default mode for the much more expensive timing modules.

The board features an SMA connector for an active patch antenna (see related products) power and PPS LED's. On the top is a super capacitor which can be used to retain any custom settings in the event of power loss (If the module is commanded to do so ). The MAX-M8Q is connected via serial to the Pi and the PPS is connected to GPIO18 (pin 12).

A 2×20 way header is supplied and 2 suitable standoffs providing a very robust solution. The board follows Raspberry Pi's HAT physical layout with camera and display port notches. It is possible to stack additional HAT's on top of this board with the stacking header.

To use this board to make a Stratum 1 NTP Server please follow these instructions here : http://ava.upuaut.net/?p=726

Datasheet available here

For the communication protocol see the u-blox 8 / u-blox M8Receiver DescriptionIncluding Protocol Specification.

(The command to save settings is CFG-CFG)

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SKU: upu-RPiGPS Category: Tags: , , ,
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Airspy Warranty

Airspy warranty is limited to 1 year from the date of delivery for purchased units that fail under normal operating conditions. Airspy units will be repaired at a price of $50.00 plus $10.00 shipping/handling. Normal operating conditions do not include excessive mechanical stresses due to mishandling, dropping, or bending; mechanical or electrical modifications; Electro-Static Discharge (ESD); excessive RF signals; excessive thermal stresses due to improper ventilation or cooling, submersion in any fluid; and any unauthorized repairs.
All warranty claims will be determined by Airspy or their representatives.

Accessory Warranty (except Filter/preamp)

Accessory warranty (except Filter/Preamp) is limited to 90 days from the date of delivery for accessories that fail under normal operating conditions. The warranty is limited to electrical failiure. Physical damage is specifically excluded unless such damage arises from normal use. Antennas are generally considered ‘disposable items’, although very limited warranties may be honored. All warranty cases will be determined by Airspy.US for these items. Contact us for any warranty claims.