Character LCD module 40x4 specifications:Module size: 182.0(W)*33.5(H)*14.0(T) mmView area: 154.4(W)*16.5(H) mmCharacter pitch: 3.70(W)*5.95(H) mmCharacter size: 3.20(W)*5.55(H) mmChars X lines:40*2Controller: SPLC780D1-001A,SPLC063B1*2Driving method: 1/16 duty, 1/5 biasDisplay mode: STN,Positive, Transflective, yellow/greenBacklight color: Yellow/greenIC packagings:COBDisplay type:CharacterMechanical drawing and pinouts: