Character LCD Modules 8x2

VC0821

8x2 LCD Module, Character LCD Modules

1. 5x8 dots with cursor
2. Built-in controller KS0066 or equivalent
3. + 5V single power supply
4. 1/16 duty cycle
5. LED B/L pins: A/K, or 1/2, 15/16
6. Backlight: LED B/L

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  • Mechanical Data
  • Electronic Characteristics
  • Pin Assignment
  • Display Address (DDRAM)
  • Dimension
Item Standard Value Unit
Module Dimension 58.0 x 32.0 mm
Viewing Area 38.0 x 16.0 mm
Active Area 27.81 x 11.5 mm
Dot Size 0.56 x 0.66 mm
Character Size 2.96 x 5.56 mm
Item Symbol Condition Typical Value Unit
Input Voltage VDD 25°C 5.0 V
Supply Current IDD VDD = +5V 1.5 mA
LCD Driving Voltage VDD - VO 25°C 3.8 V
LED Forward Voltage Vf 25°C 4.1 V
LED Forward Current If 25°C 60 mA
Pin Symbol Function
1 Vss GND
2 VDD +5V
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
00 01 02 03 04 05 06 07
40 41 42 43 44 45 46 47
8x2 LCD Module, Character LCD Modules

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