GPSMux

Switch between two serial NMEA GPS feed based on fix status.

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10/10 lines (16 parts)

References	Qty	Manufacturer	MPN	Digikey	Mouser	RS
C1, C2, C3, C4, C5, C6	6	AVX	06035C104K4T2A	478-5309-1-ND	581-06035C104K4	698-3251
D1	1	OSRAM	LY Q396	475-3467-1-ND	720-LYQ396P1Q236	778-1434
P1	1	Molex	53261-0471	WM7622CT-ND	538-53261-0471	542-7113
P2	1	Molex	53261-0471	WM7622CT-ND	538-53261-0471	542-7113
P3	1	Molex	53261-0471	WM7622CT-ND	538-53261-0471	542-7113
P4	1	Molex	53261-0371	WM7621CT-ND	538-53261-0371	542-7107
R1	1	Vishay	CRCW0603120RFKEA	541-120HCT-ND	71-CRCW0603-120-E3	678-9718

... 3 more lines

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GPSMux

This board and related firmware can be used to switch between two serial NMEA GPS feed based on fix status. The resulting feed is transmitted over a third serial line with RS232 levels. The board is designed around Cypress PSoC CY8C27143.

PCB has been designed with KiCAD.

Firmware

The project firmware requires Cypress PSoC Designer 5.4 to be compiled.

Live long and prosper!

That's all folks.

By[t]e{s} Weirdgyn

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GPSMux

Firmware