参数资料
型号: LK202-25-USB-FG-E
厂商: Matrix Orbital
文件页数: 8/42页
文件大小: 2198K
描述: LCD CHARACTER DISPLAY 20X2 USB
标准包装: 1
系列: LK202-25
12
Keypad Header
Figure 16: Keypad Header
Table 10: Keypad Pinout
Pin
Function
Pin
Function
1
Gnd
7
Column 1
2
Row 1
8
Column 2
3
Row 2
9
Column 3
4
Row 3
10
Column 4
5
Row 4
11
Column 5
6
Row 5
12
Gnd/Vcc*
To facilitate user input, the LK202-25/VK202-25
provides a Keypad Interface Connector which allows a
matrix style keypad of up to twenty-five keys
to be directly connected to the display module.
Key
presses are generated when a short is detected between a row and a column.
When a key
press is
generated, a character
specific to that key press
is automatically sent on the Tx communication line.
If
the display module is running in I2C mode, the “Auto Transmit Keypress” function may be turned off
to
allow the key presses to remain in the buffer so that they may be polled.
The character that is
associated with each key press may also be altered using the “Assign Key Codes” command.
The straight
twelve pin header of the Keypad Interface Connector will interface to a variety of different devices
including the
Matrix Orbital KPP4x4 keypad.
*Note:
The Ground / +5V pin is toggled by the jumper to the right of the keypad connector. Jump pads 1 & 2 for
+5V or 2 & 3 for GND.
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相关代理商/技术参数
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LK202-25-USB-FW 功能描述:LCD字符显示模块与配件 Black Background White Text RoHS:否 制造商:Lumex 显示模式:Transflective 字符计数 x 行:16 x 2 特点: 流体类型:STN 接口: 背景色: 工作温度范围:- 20 C to + 70 C 封装:Bulk
LK202-25-USB-FW-E 功能描述:LCD字符显示模块与配件 20x2 Wht Txt Blu B/G Ext Temp 25 key RoHS:否 制造商:Lumex 显示模式:Transflective 字符计数 x 行:16 x 2 特点: 流体类型:STN 接口: 背景色: 工作温度范围:- 20 C to + 70 C 封装:Bulk
LK202-25-USB-FY 功能描述:LCD字符显示模块与配件 Black Background Yellow Text RoHS:否 制造商:Lumex 显示模式:Transflective 字符计数 x 行:16 x 2 特点: 流体类型:STN 接口: 背景色: 工作温度范围:- 20 C to + 70 C 封装:Bulk
LK202-25-USB-GW 功能描述:LCD字符显示模块与配件 White Background Blue Text RoHS:否 制造商:Lumex 显示模式:Transflective 字符计数 x 行:16 x 2 特点: 流体类型:STN 接口: 背景色: 工作温度范围:- 20 C to + 70 C 封装:Bulk
LK202-25-USB-GW-E 功能描述:LCD字符显示模块与配件 20x2 L. Blu Txt G/Wht B/G Ext. Temp RoHS:否 制造商:Lumex 显示模式:Transflective 字符计数 x 行:16 x 2 特点: 流体类型:STN 接口: 背景色: 工作温度范围:- 20 C to + 70 C 封装:Bulk