My Projects

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Next revision
Previous revision
electronic:lcd:lbp8iii [2018/04/08 20:32] – created tonyelectronic:lcd:lbp8iii [2026/09/26 10:33] (current) – tony
Line 1: Line 1:
-^Manufacturer|| +{{ :electronic:lcd:p1126453.jpg?200|Canon LBP-8 III  GB-1494V-OS SH84149}} 
-^Model|GB-1494V-OS SH84149| +^  LCD Description  || 
-^Recovered from|Canon LBP-8 III printer| +^Model|**GB-1494V-OS SH84149**| 
-^Columns|16|+^Manufacturer|Canon| 
 +^Recovered from|Canon LBP-8 III printer, HP Laserjet III printer| 
 +^Board IDs|SG54159((LBP-8III)),RGI-1968((HP LJ III))| 
 +^LCD type|positive| 
 +^Polarizer type|reflective| 
 +^Columns|16 ((setup as two rows of 8 characters on one line))|
 ^Rows|1| ^Rows|1|
 ^Char matrix|5x7| ^Char matrix|5x7|
-^Driver IC||+^Driver IC|Hitachi HD44780A00|
 ^Backlight|-| ^Backlight|-|
-^Arduino driver|| +^Arduino driver|LiquidCrystal.h| 
-^Connector||+^Connector|pin header|
 ^Num Pins|14| ^Num Pins|14|
-^Pin spacing|0.1|+^Pin spacing|0.1"| 
 + 
 +^  Connector pin-out  ^^^  Arduino test rig  | 
 +^Pin#^IC pin^Label^Pin| 
 +^1|23 |gnd|gnd | 
 +^2|33|vcc|+5v| 
 +^3|30|v5|Contrast adjustment ((connect to potentiometer between Vcc and GND))| 
 +^4|36|rs|d8| 
 +^5|37|r/w'|gnd| 
 +^6|38|e|d9| 
 +^7|39|d0| 
 +^8|40|d1| 
 +^9|41|d2| 
 +^10|42|d3| 
 +^11|43|d4|d4| 
 +^12|44|d5|d5| 
 +^13|45|d6|d6| 
 +^14|46|d7|d7| 
 + 
 +The LCD is mounted on a sub-board that can be unsoldered from the mainboard. 
 + 
 +---- 
 +===== Datasheets ===== 
 +  * {{:electronic:datasheet:hitachi:hd44780_v1985.pdf|HD44780}} Dot Matrix Liquid Crystal Display Controller/Driver. 
 +  * {{:electronic:datasheet:hitachi:hd44780.pdf|HD44780U}} Dot Matrix Liquid Crystal Display Controller/Driver.
  
-^ ^^^Arduino test rig ((reminder for my personal testing, not useful for anyone else!))|| 
-^Pin#^IC pin^Label^Pin^colour| 
-^1| 
-^2| 
-^3| 
-^4| 
-^5| 
-^6| 
-^7| 
-^8| 
-^9| 
-^10| 
-^11| 
-^12| 
-^13| 
-^14| 
-^15| 
-^16| 
-^17| 
-^18| 
-^19| 
-^20| 
 \\ \\
 +----
 +===== Examples =====
 +^Recovered from Canon LBP-8 III printer :^
 +
 +{{:electronic:lcd:p1126453.jpg?800|Canon LBP-8 III  GB-1494V-OS SH84149 front}}
 +
 +{{:electronic:lcd:p1126457.jpg?800|Canon LBP-8 III  GB-1494V-OS SH84149 back}}
 +
 +{{:electronic:lcd:p1126440a.jpg?800|Canon LBP-8 III  GB-1494V-OS SH84149 overview with board}}
 +
 +{{:electronic:lcd:p1126448.jpg?800|Canon LBP-8 III  GB-1494V-OS SH84149 overview with board}}
 +
 +{{:electronic:lcd:p1126450.jpg?800|Canon LBP-8 III  GB-1494V-OS SH84149overview with board}}
 +
 +{{:electronic:lcd:p1126462.jpg?300|Canon LBP-8 III  GB-1494V-OS SH84149 chip}}
 +
 +{{:electronic:lcd:p1136463.jpg?400|Canon LBP-8 III  GB-1494V-OS SH84149 examples}}
 +
 +{{:electronic:lcd:p1136466.jpg?400|Canon LBP-8 III  GB-1494V-OS SH84149 pixel layout}}
 +
 \\ \\
 +^Recovered from HP LaserJet III printer :^
  
----- +{{:electronic:lcd:p8111310a.jpg?800|HP LaserJet III  GB-1494V-OS SH84149 overview with board}} 
-===== Examples : =====+ 
 +{{:electronic:lcd:p8111325a.jpg?800|HP LaserJet III  GB-1494V-OS SH84149 overview with board}}
  
-{{:electronic:lcd:.jpg?800|Canon LBP-8 III  GB-1494V-OS SH84149}}+{{:electronic:lcd:p8111328a.jpg?800|HP LaserJet III  GB-1494V-OS SH84149overview with board}}