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  • 40x4 Character LCD, 40x4 LCD Display - VC4041
VC4041

40x4 Character LCD, 40x4 LCD Display

1.5x8 dots with cursor
2.Built-in controller KS0066 or equivalent
3.+ 5V single power supply (option: +3V)
4.1/16 duty cycle
5.LED B/L pins: A/K, or 1/2, 17/18
6.Backlight: LED B/L
7.Option: Negative Voltage

Item Standard Value Unit
Module Dimension 190.0 x 54.0 mm
Viewing Area 147.0 x 29.5 mm
Active Area 140.45 x 23.16 mm
Dot Size 0.5 x 0.55 mm
Character Size 2.78 x 4.89 mm
Item Symbol Condition Typical Value Unit
Input Voltage VDD 25 ℃ 5.0 V
Supply Current IDD VDD = +5V 1.7 mA
LCD Driving Voltage VDD - VO 25 ℃ 4.5 V
LED Forward Voltage Vf 25 ℃ 4.2 V
LED Forward Current If 25 ℃ 600 mA
Pin Symbol Function
1~8 DB7~DB0 H/L data bus line
9 E1 H→L enable signal IC1
10 R/W H/L read/write signal
11 RS H:Data L:Instruction
12 VO Contrast Adjustment
13 VSS GND
14 VDD +5V(+3V option)
15 E2 H→L enable signal IC2
16 NC/VEE NC/Negative voltage output
17 A Power supply for B/L (+)
18 K Power supply for B/L (-)
1 2 3 4 5 6 7 8 9 10 11 12 … … 39 40
00 01 02 03 04 05 06 07 08 09 0A 0B     26 27
40 41 42 43 44 45 46 47 48 49 4A 4B     66 67
00 01 02 03 04 05 06 07 08 09 0A 0B     26 27
40 41 42 43 44 45 46 47 48 49 4A 4B     66 67

40x4 Character LCD, 40x4 LCD Display

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