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参数资料
| 型号： | LK204-7T-1U-USB-WB-E |
| 厂商： | Matrix Orbital |
| 文件页数： | 5/40页 |
| 文件大小： | 1901K |
| 描述： | LCD CHARACTER DISPLAY 20X4 USB |
| 产品变化通告： | 12C Displays Change 11/Oct/2011 |
| 标准包装： | 1 |
| 系列： | * |
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13
Power Through DB9 Jumper
In order to provide power through pin 9 of the
DB-9 Connector you must connect the Power Through
DB-9 Jumper labelled with white brackets, as illustrated below. This connection can be made using a
zero ohm resistor, recommended size 0603, or a solder bridge. The LK204-7T-1U
allows all voltage
models to use the power through DB-9 option, see
the Voltage Specifications
for power requirements.
Figure 9: Power Through DB9 Jumper
Protocol Select Jumpers
The Protocol Select Jumpers provide the means necessary to toggle the
LK204-7T-1U
between RS-232,
TTL and I2C protocols.
As a default, the jumpers are set to RS-232 mode with solder jumps on the
RS232
jumpers.
In order to place the display module in I2C mode you must first remove the
solder jumps from
the RS232 jumpers and then place them on the I2C jumpers. The display will now be in I2C mode and
have a default slave address of 80, unless changed with the appropriate command. Similarly, in order to
change the display to TTL mode, simply remove the zero ohm resistors from the RS232 or I2C jumpers
and solder them to the TTL jumpers.
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相关代理商/技术参数 |
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| LK204-7T-1U-USB-WB-WB | 功能描述:LCD字符显示模块与配件 20x4 Wht Txt Blu B/G 7key 3 LED indicator 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 |
| LK204-7T-1U-USB-WB-WB-E | 功能描述:LCD字符显示模块与配件 20x4 Wht Txt Blu B/G Ext. Volt 7 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 |
| LK204-7T-1U-USB-YG | 功能描述:LCD字符显示模块与配件 20x4 Blk Txt Y/G B/G 7key 3 LED indicator 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 |
| LK204-7T-1U-USB-YG-E | 功能描述:LCD字符显示模块与配件 20x4 Blk Txt Y/G B/G Ext. Volt 7 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 |
| LK204-7T-1U-WB | 功能描述:LCD字符显示模块与配件 20x4 White Text Blue Background 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 |
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