Oleg Dzhimiev committed changes to the Elphel git project :
testing new formula with Hadamard product

Oleg Dzhimiev committed changes to the Elphel git project :
testing derivatives

Oleg Dzhimiev committed changes to the Elphel git project :
tested C^-1=AtA

Oleg Dzhimiev committed changes to the Elphel git project :
more derivatives

‎0393-27-16 - Calibration SFE housing

← Older revision Revision as of 00:31, 18 November 2018 Line 55: Line 55:  ---- ----    −=== 0393-27-16 - Calibration SFE housing ===+=== 0393-27-16 - Calibrated SFE housing ===  {{Cad4c|0393-27-16}} {{Cad4c|0393-27-16}}  ---- ---- Andrey.filippov

Oleg Dzhimiev committed changes to the Elphel git project :
started constructing derivatives

‎Notes

← Older revision Revision as of 23:48, 16 November 2018 (2 intermediate revisions by the same user not shown)Line 474: Line 474:  |valign='top'|[[File:10393 half enclosure 2.jpeg|thumb|200px]] |valign='top'|[[File:10393 half enclosure 2.jpeg|thumb|200px]]  |} |}  +  +===Available lengths for cables for connecting sensors in custom setups===  +* [[FPC_cables|FPC cables]] - click for available lengths - connect sensor to the system board     ==<font color="blue">Known problems</font>== ==<font color="blue">Known problems</font>==  * <font color='green'>'''[SOLVED]'''</font> Vertical artifacts in jpegs. Images are ok at 100% quality. Fixed, testing. * <font color='green'>'''[SOLVED]'''</font> Vertical artifacts in jpegs. Images are ok at 100% quality. Fixed, testing. −* http://192.168.0.9:232x/noexif/mimg - multipart jpeg displays corrupted frames from time to time. Reason: network bandwidth?+* <font color='green'>'''[SOLVED]'''</font> http://192.168.0.9:232x/noexif/mimg - multipart jpeg displays corrupted frames from time to time. Reason: network bandwidth?  * <font color='green'>'''[SOLVED]'''</font> Sometimes on power-on (NAND flash boot) cannot mount the card's rootfs partition. Kernel Panics. Power off/on. Soft "reboot -f" works ok. * <font color='green'>'''[SOLVED]'''</font> Sometimes on power-on (NAND flash boot) cannot mount the card's rootfs partition. Kernel Panics. Power off/on. Soft "reboot -f" works ok.  <font size='2'> <font size='2'> Line 485: Line 488:  </font> </font>  [[VFS:_Unable_to_mount_root_fs_on_unknown-block(179,2)|More info]] [[VFS:_Unable_to_mount_root_fs_on_unknown-block(179,2)|More info]] −* Changing exposure/quality/gains - can corrupt images - needs testing.+* <font color='green'>'''[SOLVED]'''</font> Changing exposure/quality/gains - can corrupt images - needs testing.    −* After rewriting rootfs to &mu;SD card - some of the cards get a corrupted partition - re-partitioning (reformatting?) solves the problem.+* <font color='green'>'''[SOLVED]'''</font> After rewriting rootfs to &mu;SD card - some of the cards get a corrupted partition - re-partitioning (reformatting?) solves the problem.  <font size='2'> <font size='2'>    On the camera the rootfs is mounted as RW and some of the files are changed (also links created) -   On the camera the rootfs is mounted as RW and some of the files are changed (also links created) - Line 494: Line 497:     ==<font color="blue">Notes</font>== ==<font color="blue">Notes</font>== −* In case rootfs is on flash, it might make sense (or maybe not as the history is updated only once on session exit) to disable bash sessions command history - [http://stackoverflow.com/questions/18663078/disable-history-in-linux disable bash history]+* <font color='green'>'''[SOLVED]'''</font> In case rootfs is on flash, it might make sense (or maybe not as the history is updated only once on session exit) to disable bash sessions command history - [http://stackoverflow.com/questions/18663078/disable-history-in-linux disable bash history]    −* When using '''overlays''', deleting, existing in the lower layer, dirs can cause errors (hopefully it gets fixed someday), example:  +* <font color='green'>'''[SOLVED]'''</font> When using '''overlays''', deleting, existing in the lower layer, dirs can cause errors (hopefully it gets fixed someday), example:    ** /mnt/sda1 exists in lower layer: /tmp/rootfs.ro/tmp ** /mnt/sda1 exists in lower layer: /tmp/rootfs.ro/tmp  ** upper layer is mounted to "/" ** upper layer is mounted to "/" Oleg

Oleg Dzhimiev committed changes to the Elphel git project :
split into more base blocks

Oleg Dzhimiev committed changes to the Elphel git project :
minor

Oleg Dzhimiev committed changes to the Elphel git project :
all moved to a separate function

Oleg Dzhimiev committed changes to the Elphel git project :
testing new function

‎Other info

← Older revision Revision as of 00:07, 16 November 2018 Line 474: Line 474:  |valign='top'|[[File:10393 half enclosure 2.jpeg|thumb|200px]] |valign='top'|[[File:10393 half enclosure 2.jpeg|thumb|200px]]  |} |}  +  +===Available lengths for cables for connecting sensors in custom setups===  +* [[FPC_cables|FPC cables]] - click for available lengths - connect sensor to the system board     ==<font color="blue">Known problems</font>== ==<font color="blue">Known problems</font>== Oleg

‎Links

← Older revision Revision as of 00:01, 16 November 2018 (One intermediate revision by the same user not shown)Line 115: Line 115:  *[[10389|10389 board]] *[[10389|10389 board]]  *[[Using_10359_mux_with_10393|Using 10393 with multiplexer boards 10359]] *[[Using_10359_mux_with_10393|Using 10393 with multiplexer boards 10359]]  +* [[FPC_cables|FPC cables]] - used to for connecting sensors, available lengths are 50-450 mm, follow the link for proper connecting     ==Known issues== ==Known issues== Oleg

← Older revision Revision as of 23:58, 15 November 2018 Line 19: Line 19:  * Weight: 2 g * Weight: 2 g  * Mechanical drawings and CAD files for the 10338E board: [[Elphel_camera_parts_0353-00#0353-00-17_-_10338_rev_E_assembly_with_5MPix_Color_Sensor|link]] * Mechanical drawings and CAD files for the 10338E board: [[Elphel_camera_parts_0353-00#0353-00-17_-_10338_rev_E_assembly_with_5MPix_Color_Sensor|link]]  +  +==Links==  +* [[FPC_cables|FPC cables]] - click for available lengths - connect sensor to the system board Oleg

← Older revision Revision as of 23:58, 15 November 2018 Line 18: Line 18:  |[[Image:10338bd.png|frame|[[Media:10338a.pdf|10338 Circuit Diagram, Parts List, PCB layout]] <br/> [[Media:10338a_gerber.tar.gz|10338 rev A Gerber files]] <br/> [[Media:10338d.pdf|10338D Circuit Diagram, PCB layout]] <br/> [[Media:10338d_gerber.tar.gz|10338 rev D Gerber files]] ]] |[[Image:10338bd.png|frame|[[Media:10338a.pdf|10338 Circuit Diagram, Parts List, PCB layout]] <br/> [[Media:10338a_gerber.tar.gz|10338 rev A Gerber files]] <br/> [[Media:10338d.pdf|10338D Circuit Diagram, PCB layout]] <br/> [[Media:10338d_gerber.tar.gz|10338 rev D Gerber files]] ]]  |} |}  +  +==Links==  +* [[FPC_cables|FPC cables]] - click for available lengths - connect sensor to the system board  +  [[Category: Boards 393]] [[Category: Boards 393]]  [[Category: Boards 353]] [[Category: Boards 353]] Oleg

← Older revision Revision as of 23:53, 15 November 2018 (One intermediate revision by the same user not shown)Line 1: Line 1:  ==[[Elphel_camera_parts_0353-01#0353-01-51_-_FPC_flexible_printed_circuit_straight_for_panoramic_head|0353-01-51]] (<b>asymmetrical</b>)== ==[[Elphel_camera_parts_0353-01#0353-01-51_-_FPC_flexible_printed_circuit_straight_for_panoramic_head|0353-01-51]] (<b>asymmetrical</b>)==  {| {| −|[[Image:Fpc_cable.jpeg|500px|thumb|Fig.1 L=70mm]]+|valign='top'|[[File:Elphel cables.jpeg|500px|thumb|Fig.1 Available lengths: 50, 70, 100, 150, 250 and 450mm]] −|[[Image:Fpc_cable_conn.jpeg|500px|thumb|Fig.2 Proper connecting: sensor and 10353 system board]]+|valign='top'|[[Image:Fpc_cable.jpeg|500px|thumb|Fig.2 L=70mm]]  |- |- −|[[Image:Fpc_cable_conn_10393.jpeg|500px|thumb|Fig.3 Proper connecting: sensor and 10393 system board (same principle as on Fig.2)]]+|valign='top'|[[Image:Fpc_cable_conn.jpeg|500px|thumb|Fig.3 Proper connecting: sensor and 10353 system board]]  +|valign='top'|[[Image:Fpc_cable_conn_10393.jpeg|500px|thumb|Fig.4 Proper connecting: sensor and 10393 system board (same principle as on Fig.3)]]  |} |}    Oleg

Oleg Dzhimiev committed changes to the Elphel git project :
tested E^2 calced via eigen vs short formula

Oleg Dzhimiev committed changes to the Elphel git project :
testing?

Oleg Dzhimiev committed changes to the Elphel git project :
both ellipses to the same scale

Oleg Dzhimiev committed changes to the Elphel git project :
combined ellipse matched