What is a second? And what does that have to do with the Raspberry Pi CM4 and IEEE1588-2008? And why should you care?
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Mentioned in this video:
– My original Time Card video: https://www.youtube.com/watch?v=tU0xC1ynaT8
– Why is this PCIe Card RADIOACTIVE? (LTT): https://www.youtube.com/watch?v=JK3eTGkX6qY
– Time Card (a bit pricey, but if you want it preassembled…): https://store.timebeat.app/products/ocp-tap-timecard
– Time4Pi module (not yet for sale): https://store.timebeat.app/products/gnss-raspberry-pi-cm4-module
– New US Time Standard – NIST-F2 (NIST): https://www.youtube.com/watch?v=z-jE7DXy1x0
– How the Tweezer Clock Works (NIST): https://www.youtube.com/watch?v=TIvqQfl9lNs
– GPS III – Focused on the Future (Lockheed Martin): https://www.youtube.com/watch?v=uYeMP35F7aE
– How does Britain know what time it is? (Tom Scott): https://www.youtube.com/watch?v=yqciKS_N0K8
– WWV Video Tour (ShutterMafia): https://www.youtube.com/watch?v=XJewUiP0Ueo
– Meinberg IMS Series clocks: https://www.youtube.com/watch?v=xtu9AzasEqo
#RaspberryPi #PTP #TimeCard
Contents:
00:00 – What is a second?
00:32 – Time is too expensive
01:29 – PPS and WWV
02:56 – PPS on the Pi CM4
04:19 – Precision Time Protocol
06:09 – PTP Demo
08:16 – A radioactive PCIe card
10:35 – CM4’s time has come
12:21 – How important is time?
13:27 – A Time Server for your Homelab?
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