Difference between revisions of "Projects:LED Sign"
Jump to navigation
Jump to search
(added Datasheet of IC on controller chip) |
|||
| Line 1: | Line 1: | ||
==LED Sign== | ==LED Sign== | ||
In about mid 2016 the makerspace received about 6 of these LED signs. | In about mid 2016 the makerspace received about 6 of these LED signs. They are large arrays of LEDs that can be programmed to display messages. They currently have pre-programmed messages related to buses, as that is what they were previously used for. | ||
The challenge put forth is: figure out how to program them directly without the use of a card-reader or the original software. | |||
*Luminator LED Sign | *Luminator LED Sign | ||
| Line 11: | Line 13: | ||
*Chip on board: Winbond W78F052C40DL | *Chip on board: Winbond W78F052C40DL | ||
[https://drive.google.com/open?id=0B1TDentXjrGZc1NONEY1eTNsVGs Google drive folder of pictures] | Other chips: | ||
*74HC595 | |||
*HC2450D | |||
Notes: | |||
*The main source of data seems to be the Winbond chips that are on the control panel circuit board and the LED board with the serial and RJ45 connectors on it | |||
*The signs can be connected together in a Master/Slave configuration so one will display the data from the other | |||
*Attempts at putting a data sniffer inbetween two signs in a Master/Slave config did not seem to work. The addition of the sniffer seemed to interfere with the signal itself. | |||
*Data was extracted from the Tx pin on the Winbond chip. It doesn't appear to have any particular pattern. The data dump can be found in Resources below. | |||
Resources: | |||
*[https://drive.google.com/open?id=0B1TDentXjrGZc1NONEY1eTNsVGs Google drive folder of pictures] | |||
[https://drive.google.com/file/d/0BzVFua5o5J7YcnQyYy1BOWI2dmZkVEotN1lYbHE1blgxRnZF/view?usp=sharing Maintenance and Spare Parts Manual] | *[https://drive.google.com/file/d/0BzVFua5o5J7YcnQyYy1BOWI2dmZkVEotN1lYbHE1blgxRnZF/view?usp=sharing Maintenance and Spare Parts Manual] | ||
Data Dumps from sniffing the UART line on an internal microcontroller: | *Data Dumps from sniffing the UART line on an internal microcontroller: | ||
[https://drive.google.com/file/d/0BzAXZ8qTt-CoUWJEb3BHaFRsUEU/view?usp=sharing Google Drive Link] | **[https://drive.google.com/file/d/0BzAXZ8qTt-CoUWJEb3BHaFRsUEU/view?usp=sharing Google Drive Link] | ||
[http://pdf1.alldatasheet.com/datasheet-pdf/view/182797/WINBOND/W78E052C40DL.html Datasheet of IC on controller chip] | *[http://pdf1.alldatasheet.com/datasheet-pdf/view/182797/WINBOND/W78E052C40DL.html Datasheet of IC on controller chip] | ||
Revision as of 18:52, 10 February 2017
LED Sign
In about mid 2016 the makerspace received about 6 of these LED signs. They are large arrays of LEDs that can be programmed to display messages. They currently have pre-programmed messages related to buses, as that is what they were previously used for.
The challenge put forth is: figure out how to program them directly without the use of a card-reader or the original software.
- Luminator LED Sign
- Model #: 510648001 Rev B
Display board:
- FW: MBUSMC-8-V2.2
- MBUSMS-8 07.5
- Chip on board: Winbond W78F052C40DL
Other chips:
- 74HC595
- HC2450D
Notes:
- The main source of data seems to be the Winbond chips that are on the control panel circuit board and the LED board with the serial and RJ45 connectors on it
- The signs can be connected together in a Master/Slave configuration so one will display the data from the other
- Attempts at putting a data sniffer inbetween two signs in a Master/Slave config did not seem to work. The addition of the sniffer seemed to interfere with the signal itself.
- Data was extracted from the Tx pin on the Winbond chip. It doesn't appear to have any particular pattern. The data dump can be found in Resources below.
Resources:
- Data Dumps from sniffing the UART line on an internal microcontroller: