Time-Appliances-Project/Time-Card

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Develop an end-to-end hypothetical reference model, network architectures, precision time tools, performance objectives and the methods to distribute, operate, monitor time synchronization within data center and much more...

Stars: 1.5k
Forks: 122
Open beginner issues: 0
Indexed issues: 27
Avg merge: 12m
Merged PRs (30d): 1

Dominant language: C
License: No license data
Last GitHub push: Sep 8, 2026
Latest indexed: Sep 20, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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27 open issues indexed

Linux installation related Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Time-Appliances-Project/Time-Card#120 · 2 comments · Opened Jul 30, 2025
Multiple TimeCards synchronization via 1PPS or 10MHz connection Open

Time-Appliances-Project/Time-Card#118 · 4 comments · 2 assignees · Opened Apr 2, 2025
Password for ECAD archives Open

Difficulty 4/5 3-5 days Newbie friendliness 15/100

Time-Appliances-Project/Time-Card#116 · Opened Jan 6, 2025
GPS module UART baud mismatch in code and TimeCard on sale? Open

Time-Appliances-Project/Time-Card#113 · 1 comment · 3 assignees · Opened Oct 6, 2024
R6 Placement Interferes with Y3 (Abracon AOCJYR) on OCXO Daughter Card Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

Time-Appliances-Project/Time-Card#108 · 1 comment · Opened May 29, 2024
OCXO Daughter Card V4 - Silkscreen Designator Mismatch for R8 and R33 Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

Time-Appliances-Project/Time-Card#107 · 1 comment · Opened May 23, 2024
Connecting 1PPS and 10MHz outputs with 50 Ohm termination to another TimeCard 1PPS and 10MHz inputs Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

Time-Appliances-Project/Time-Card#105 · Opened Mar 15, 2024
Should the version numbers in the CoreList be the same as the version registers? Open

Time-Appliances-Project/Time-Card#104 · 3 comments · 1 assignee · Opened Nov 18, 2023
Time Card PCB queries from PCBway regarding vias in pad. Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

Time-Appliances-Project/Time-Card#96 · 2 comments · Opened Jul 28, 2023
Production Timecard: mismatch between board and FPGA PCIe lane counts Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

Time-Appliances-Project/Time-Card#92 · 1 comment · Opened Mar 7, 2023
SMA TVS not connected to +3.3V Open

Difficulty 2/5 1-3 hours Newbie friendliness 50/100

Time-Appliances-Project/Time-Card#91 · 1 comment · Opened Mar 5, 2023
Production Timecard: bad termination on FPGA JTAG with USB Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Time-Appliances-Project/Time-Card#90 · 2 comments · Opened Mar 1, 2023
SA45 osc daughtercard does not bring out LOCK signal Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

Time-Appliances-Project/Time-Card#88 · 1 comment · Opened Feb 2, 2023
LOF (ver 0.1) mechanical drawing is incomplete Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Time-Appliances-Project/Time-Card#87 · 1 comment · Opened Jan 30, 2023
Prototype V7 schematic title block errors Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

Time-Appliances-Project/Time-Card#78 · 1 comment · Opened Nov 28, 2022
TimeCard starts with a random frequency offset on 10 MHz output Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

Time-Appliances-Project/Time-Card#74 · 1 comment · Opened Aug 22, 2022
ptp_ocp on RPi CM4 doesn't expose NMEA TTY and GNSS TTY Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Time-Appliances-Project/Time-Card#73 · 6 comments · Opened Aug 12, 2022
Time in GPZDA on the NMEA serial port is incorrect Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Time-Appliances-Project/Time-Card#70 · 5 comments · Opened Aug 9, 2022
Is GNSS dependance the mistake? Should part of this include back to basics. Solar/moon calibration. Open

Difficulty 5/5 Over a week Newbie friendliness 18/100

Time-Appliances-Project/Time-Card#69 · 1 comment · Opened Aug 1, 2022
Some questions about MAC and Address mapped Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

Time-Appliances-Project/Time-Card#66 · 3 comments · Opened Jul 21, 2022
question How does this interface with pcie? Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

Time-Appliances-Project/Time-Card#61 · 2 comments · Opened Jun 2, 2022
UART Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

Time-Appliances-Project/Time-Card#55 · 1 comment · Opened Apr 10, 2022
Some Applications I Guess Open

Difficulty 5/5 Over a week Newbie friendliness 10/100

Time-Appliances-Project/Time-Card#53 · 2 comments · Opened Mar 20, 2022
Refresh Time-Card repository Open

documentation enhancement

Time-Appliances-Project/Time-Card#51 · 1 reaction · 1 assignee · Opened Mar 10, 2022
How to switch pps source? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

Time-Appliances-Project/Time-Card#45 · 1 comment · Opened Dec 21, 2021
I found a mistake I think Open

Time-Appliances-Project/Time-Card#44 · 4 comments · 2 assignees · Opened Dec 9, 2021
Is this absolute hard limit->PCIe x1 (18 pins) generation 3.0 or above Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

Time-Appliances-Project/Time-Card#16 · 4 comments · Opened Aug 16, 2021

Time-Appliances-Project/Time-Card

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