Place of Origin:
Dongguan,China
Brand Name:
Fangsheng
Certification:
ISO9001:2015
Model Number:
2004A COB
video
2004 204 20x4 Character LCD Display Module IC Controller Blue Blacklight
A. Basic Information:
|
ITEM
|
CONTENT
|
DESCRIPTION
|
|
1
|
Display Outline Size
|
98 ( H ) * 55 ( W ) * 3.55 mm ( T )
|
|
2
|
Viewing Size |
70.4 ( H ) * 20.8 (W) mm
|
|
3
|
Voltage
|
3.3 V , 5.0V
|
|
4
|
Operation Temperature
|
-20～70℃
|
|
5
|
Drive Parameter
|
Duty 1/16 , Bias 1 / 5 |
|
6
|
Backlight
|
White Led
|
|
7
|
Color
|
Blue or Yellow - Green |
|
8
|
Drive IC
|
ST7920
|
C. Structure Diagram:
|
Pin NO.
|
Symbol
|
Function
|
Remark | |
| 1 |
Vss
|
Power Supply
|
0V
|
|
| 2 |
Vdd
|
+5V | ||
| 3 |
Vo
|
For LCD
|
Variable
|
|
| 4 |
RS
|
Register Select (H: Data L: Instruction
|
||
| 5 |
R/W
|
L: MPU to LCM H: LCM to MPU
|
||
| 6 |
E
|
Enable
|
||
| 7 |
DB0
|
Data Bit 0
|
||
| 8 |
DB1
|
Data Bit 1
|
||
| 9 |
DB2
|
Data Bit 2
|
||
| 10 |
DB3
|
Data Bit 3
|
||
| 11 |
DB4
|
Data Bit 4
|
||
| 12 |
DB5
|
Data Bit 5
|
||
| 13 |
DB6
|
Data Bit 6
|
||
| 14 |
DB7
|
Data Bit 7
|
||
| 15 |
A
|
Anode of LED Unit
|
||
| 16 | K |
Cathode of LED Unit
|
||
Returns Policy
1. Customer satisfaction is our top goal. We believe our items are so outstanding. All products are quality checked. They are new and in good condition when shipped to our customers. We are convinced you will be happy with your Purchase.
2. If product is defective or damage upon arrival, or wrong product shipped, please contact us immediately. Returns accepted within 14 days of delivery date and item must be in original new condition, not worn or altered in any way with attached tags & wrap. Otherwise deal is final. Return shipping must be paid by buyer.
3. Please contact us first if you have any problems/questions/concerns. We will be happy to resolve any issues you may have in a cordial and friendly manner.
4. We appreciate your Postive Feedback, and will do the same in return. DO NOT leave negative feedback without first communication with us. Please allow max 2 business days for us to response.
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