Difference between revisions of "LED Matrix Display"
From Hackerspace.gr
(Created page with "LED Matrix Display =LED Matrix Display= ==Description== A LED matrix display is a device used to display information on a LED panel. =...") |
|||
(3 intermediate revisions by the same user not shown) | |||
Line 11: | Line 11: | ||
* Refresh Frequency: TBD | * Refresh Frequency: TBD | ||
==Milestones / ToDo== | ==Milestones / ToDo== | ||
+ | * Plan a meeting | ||
+ | * Decide on shifting method and comms proto | ||
==Photos== | ==Photos== | ||
==Resources== | ==Resources== | ||
Line 19: | Line 21: | ||
* [[User:skmp|skmp]] | * [[User:skmp|skmp]] | ||
==Whiteboard== | ==Whiteboard== | ||
+ | <pre> | ||
+ | Shifting options | ||
+ | - Johnson counters and capacitors | ||
+ | - Shift registers with latched outputs (74HC595, CD4094, HEF4794 [with drivers], TLC6C5912 [with drivers, 12-bit]) | ||
+ | LED Driving options | ||
+ | - Transistor arrays (ULN2804 [cmos], ULN2803 [ttl]) | ||
+ | - Shift registers (HEF4794) | ||
+ | - Dimming (TLC5940) | ||
+ | Comms protocol | ||
+ | - RS232 | ||
+ | - RS485 | ||
+ | - Ethernet | ||
+ | </pre> | ||
[[Category:Projects]] | [[Category:Projects]] |
Latest revision as of 23:19, 10 June 2013
Contents
LED Matrix Display
Description
A LED matrix display is a device used to display information on a LED panel.
Log
Specifications
- Character size: 8 x 6
- Font size: 7 x 5
- Number of characters: 11
- Total number of LEDs: 528
- Refresh Frequency: TBD
Milestones / ToDo
- Plan a meeting
- Decide on shifting method and comms proto
Photos
Resources
Source code
Team
Whiteboard
Shifting options - Johnson counters and capacitors - Shift registers with latched outputs (74HC595, CD4094, HEF4794 [with drivers], TLC6C5912 [with drivers, 12-bit]) LED Driving options - Transistor arrays (ULN2804 [cmos], ULN2803 [ttl]) - Shift registers (HEF4794) - Dimming (TLC5940) Comms protocol - RS232 - RS485 - Ethernet