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3 thông số| loại | Vật liệu điện tử | thương hiệu | XTJ |
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| Người mẫu | khác |
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注意！排针颜色黄色黑色随机发送，介意勿拍！感谢理解！
你是否遇到5V单片机要接3.3V器件模块的情况？5V TTL和3.3V TTL 逻辑电平转换是不是很麻烦？
这个模块帮你解决这个问题。
块特点：
1、2个通道的高电压逻辑和低电压逻辑双向转换
2、2个通道的高电压逻辑转换成低电压逻辑的单向转换
3、模块小巧，1.5cm X 1.5cm
4、模块兼容面包板，可以直接插在面包板上使用
使用说明：
【高电压为5V 低电压为3.3V 为例】
HV接5V电源
LV接3.3V电源
GND接电源负极，两个电源公地
RXI输入5v TTL，将在RXO输出3.3v TTL
TXI输入输出3.3V TTL ，TXO输入输出5V TTL， TXI与TXO双向互转
Description: If you've ever tried to connect a 3.3V device to a 5V system, you know what a challenge it can be. The SparkFun logic level converter is a small device that safely steps down 5V signals to 3.3V and steps up 3.3V to 5V. This level converter also works with 2.8V and 1.8V devices. Each level converter has the capability of converting 4 pins on the high side to 4 pins on the low side. Two inputs and two outputs are provided for each side.
Bread board friendly! Can be used with normal serial, I2C, SPI, and any other digital signal. Does not work with an analog signal.
The level converter is very easy to use. The board needs to be powered from the two voltages sources (high voltage and low voltage) that your system is using. High voltage (5V for example) to the 'HV' pin, low voltage (2.8V for example) to 'LV', and ground from the system to the 'GND' pin.
Pins are labeled as Inputs and Outputs. These are relative to the board. A digital one going into the RXI pin on the 5V side will show up on the RXO pin on the 3.3V side as 3.3V. A digital one going into the TXI pin on the 3.3V side will show up on the TXO pin on the 5V side as 5V.
Dimensions: 0.6x0.6"
