Owner

Time-Appliances-Project

2 indexed repositories · View on GitHub

Time-Card
Develop an end-to-end hypothetical reference model, network architectures, precision time tools, performance objectives and the methods t...

C · 1484 stars
TimeHAT
Raspberry Pi Hat based on the i226 with GNSS and PTP support to build the open time server

19 stars

Beginner friendly Everything

Open All

usage with external PPS source Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

Time-Appliances-Project/TimeHAT#7 · 4 comments · Opened Aug 19, 2026
old kernel patches - broken Open

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

Time-Appliances-Project/TimeHAT#6 · 2 comments · Opened Aug 18, 2026
Build issue on my Pi 5 'error: too many arguments to function ‘xsk_buff_dma_sync_for_cpu’' Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

Time-Appliances-Project/TimeHAT#2 · 11 comments · Opened Feb 25, 2026
Getting 'Deprecated feature' warnings Open

Difficulty 1/5 Under an hour Newbie friendliness 30/100

Time-Appliances-Project/TimeHAT#1 · 1 comment · Opened Feb 25, 2026
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

Get new issues in your inbox