Published On Oct 27, 2023
Date of the video 29 Jul 2023.
from $1250 - comma 3X https://comma.ai/shop/comma-3x
best ADAS system in the world - https://openpilot.comma.ai
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Sources:
- https://blog.comma.ai/comma3X/
- https://comma.ai/parts
View original video on Youtube:
- • How it's made [Hardware] | Robbe Der...
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- • comma.ai youtube archive (youtube.com...
Chapters:
00:00 intro
00:12 comma is fundamentally a consumer electronics company
00:58 EON
01:32 comma two
02:05 comma three
02:55 comma three x
03:25 Crackdown module for LTE, SOM for compute
03:59 product life cycle
05:04 concept for comma 3x
06:04 Elon saying no part is the best part
06:14 electronics
08:20 parts, 136 unique parts in 3x
09:04 partbox, customer part numbers, api access
10:15 automated tests on github
13:15 mechanical designs
13:57 bare PCBs
14:32 production line in house reduces the cycle time
15:33 first machine, add solder paste
16:54 next machine, place components (pick and place machine)
17:40 oven
19:07 automated optical inspection
19:53 verical integration
20:55 prototype devices testing, unit tests, RF compliance
22:31 field testing EPHOT
22:57 two bugs found, software bug with the new panda
23:17 third-party long cables with VW users
23:38 bulk production
24:29 initial provisioning
26:13 building into full devices
26:34 final provisioning
27:34 stress testing for 24h cycle test
28:39 fulfillment
29:50 final cosmetic inspection
30:00 Ada optical inspection
30:10 hardware issues
31:20 root causing and preventing failures
32:15 design bug with red panda, USB with 12 volts
32:35 comma three failure rate at all time 9.2 %
32:49 failure rate last 365 days at 3.9 %
33:06 failue rate of other devices
33:35 smaller harness boxes announcement
34:05 new panda jungle with CAN-FD
34:28 part shortages, packaging, injection molding, BOM optimization, cable testing
34:38 suppliers, harness production, mounting plates, trough-hole soldering, display calibration
34:48 laser depanelization, pandas, comma body
34:58 apply for hardware job
35:20 compliance testing for European Conformity, FCC
35:45 harness connector
36:38 automated testing diff between the old board and new boards
36:50 Eagle the cat package inside CI Docker container
37:07 hardware networking events in San Diego
37:35 weird issues that took a long time to track down
37:51 comma two and three GPS troubles
38:29 wrong component send by the supplier
39:10 custom ASICS
39:38 thermal resiliency of the devices
40:35 root cause process (manual or automated) after getting failed devices back
41:20 GPS module upgrade difference
42:01 favorite part of 3X process, new image sensors
42:28 how do you manage being in Belgium while they are here
42:56 Robbe is the only remote employee
43:10 comma super low on meetings, all hands and a team meeting every week
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See you at the next video.