21 lines
592 B
Markdown
21 lines
592 B
Markdown
# Notes
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## Cable Delay
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gps cable delay : RG-85 : 0.051 ns/cm
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10ft in cm: 304.8
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gps cable delay: 304.8*0.051 = 15.5448ns, round up to 16ns
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## pins running
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### GPS
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#### gps WORKING
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yellow - 3.3v - pi physical #17 (3.3)
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black - gnd - pi physical #6 (gnd)
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white - pps - pi Physical #12 (gpio 18)
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blue - rx (module) to tx (pi) pi physical #8 (tx)
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green - tx (module) to rx (pi) pi physical #10 (rx)
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baud 9600
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### RTC
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#### i2c rtc WORKING!
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red - 3.3v - pi physical #1 (3.3)
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black - gnd - pi physical #9 (gnd)
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brown - scl - pi physical #5 (i2c clock)
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green - sda - pi physical #3 (i2c data) |