GND (0 V) Power Supply (5 V) Supply Voltage (LCD Driver) Register Select - LOW = Instruction, High = Data Read / Write LOW = MPU to LCM, HIGH = LCM to MPU Enable R / W = LOW: Data are taking over at falling edge of E R / W = HIGH: Data can be read at E = 1 Data Bus - Software selectable 4 or 8 Bit M.
BATRON 5 mm Character Height LCD Modules 31 BT 24005 2 Lines x 40 Characters Dimensions [mm] I MECHANICAL DATA Parameter Outline Dimensions Effective viewing area Dot Size Dot Pitch Character Matrix Character Size Character Pitch Weight Width x Height x Depth 182 x 33.5 x 10 (with LED: 14) 154.4 x 15.8 0.55 x 0.55 0.65 x 0.65 5x7 3.15 x 4.45 3.75 x 5.9 Approximate 80 (with LED: 90) Unit mm mm mm mm dots mm mm g 6 7 to 14 A Min. 0 0 VSS Max. 7.0 13.5 VDD Unit V V V °C °C K E DB0 to DB7 +VLED .