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VC2041

20x4 Character LCD, 20x4 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, 15/16
6.Backlight: LED B/L
7.Option: Negative Voltage

Item Standard Value Unit
Module Dimension 98.0 x 60.0 mm
Viewing Area 77.0 x 25.2 mm
Active Area 70.4 x 20.8 mm
Dot Size 0.55 x 0.55 mm
Character Size 2.95 x 4.75 mm
Item Symbol Condition Typical Value Unit
Input Voltage VDD 25 ℃ 5.0 V
Supply Current IDD VDDD = +5V 1.5 mA
LCD Driving Voltage VDD - VO 25 ℃ 4.5 V
LED Forward Voltage Vf 25 ℃ 4.2 V
LED Forward Current If 25 ℃ 280 mA
Pin Symbol Function
1 VSS GND
2 VDD +5V(+3V option)
3 VO Contrast Adjustment
4 RS H:Data L:Instruction
5 R/W H/L read/write signal
6 E H→L enable signal
7~14 DB0~DB7 H/L data bus line
15 A Power supply for B/L (+)
16 K Power supply for B/L (-)
1 2 3 4 5 6 7 8 9 10 11 12 … … 19 20
00 01 02 03 04 05 06 07 08 09 0A 0B     12 13
40 41 42 43 44 45 46 47 48 49 4A 4B     52 53
14 15 16 17 18 19 1A 1B 1C 1D 1E 1F     26 27
54 55 56 57 58 59 5A 5B 5C 5D 5E 5F     66 67

20x4 Character LCD, 20x4 LCD Display

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