i dont even know where i am currently :3
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# Version 3
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## To Figure Out
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1. Details on the NEO-F10T/breakout
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1. Battery
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2. GPIO Pinouts
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1. pulse out/in (32kHz 31.25us period/10mhz 1ns period?)
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3. [Pulsar Clock](Pulsar-Clock.md)
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1. all daaat shit lmao
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4. [10MHzReference Sources (If Needed)](10MHz-Reference-Sources.md)
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5. figure out how to support Universal Beat Time to high precision
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6. Boot up sequence
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1. warm ups
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2. get signals
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3. run services with affinityies
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4. check
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## Hardware
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1. [Raspberry Pi 5 16GB](https://www.adafruit.com/product/6125)
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1. Raspberry OS Lite
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1. [Adafruit DS3231 RTC Precision I2C Breakout Module](https://www.adafruit.com/product/3013#tutorials) x1
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[CR1220](https://www.adafruit.com/products/380) x1 (Battery)
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7. [Gen 10 Timekeeping Specific GPS Module - NEO-F10T](https://gnss.store/collections/neo-f10t-timing-gnss-modules)
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1.
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8. GPS Module
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1. [Buy Varieties (Europe)](https://gnss.store/collections/neo-f10t-timing-gnss-modules)
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1. Make sure **BATTERY** **TYPE** and **APPLICATION** is figured out
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@@ -76,7 +79,7 @@ sudo chrt -f -p 90 1234 # set pid 1234 to priority 90 (1-99 highest)
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### Wiring of Note
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- CLK/PCM/GPIO18/PIN12:
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- CLK in/out up to 10mHz (1ns period)
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- 
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- 
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- only one i2c port?
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- mostly all 3v3?
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- PCM is kinda like DAC?
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