LCD wiring

Page last updated 21 Oct 2010, by Frank Scaffidi. 0 replies

 

Text LCD_ hello world! wiring (depends on program)
See wikopedia for text LCD 
http://en.wikipedia.org/wiki/HD44780_Character_LCD
  
 1 GND  -- 0v p1 mbed
 2 VCC  -- 5V req'd for my lm162 P39 Mbed not 3.3v  
 3 VO   --[ 1k resistor ]-- 0v (contrast control, approx 1v from 5k or 20k pot)
 4  RS   -- p10 mbed
 5  RW   -- 0v
 6  E    -- p12 mbed
 7  D0   -- Gnd
 8  D1   -- Gnd
 9  D2   -- Gnd
 10 D3   -- Gnd
 11 D4   -- p15 mbed
 12 D5   -- p16 mbed
 13 D6   -- p29 mbed
 14 D7   -- p30 mbed

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