Clusterhat 2.5 Schematic pins used

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Jeffery Kelley

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Feb 12, 2022, 1:20:54 PMFeb 12
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I'm looking to see if there is a schematic of the clusterhat 2.5?  I'm looking to add GPS to also make it a stratum 1 NTP server.  But, I need to know what ping are used so I can figure out what pins to use for the GPS module.

Chris Burton

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Feb 13, 2022, 5:00:14 AMFeb 13
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Hi,
I'm looking to add GPS to also make it a stratum 1 NTP server.  But, I need to know what ping are used so I can figure out what pins to use for the GPS module.

The only GPIO pins connected on v2.5 are (physical pin numbers) 3/5 for i2c I/O expander, 27/28 for the HAT EEPROM, 18 for the fan MOSFET (you can cut this on the underside of the board if you want to use if for something else), 8/10 are routed to the Serial Console connector and power 5v/3.3v/GND pins.

Chris. 
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