Sometimes you have devices that you want to talk to that run at a different voltage level to your main processor.  The TXS0104 chip gives you automatic bidirectional level translation without having to setup which direction you want to translate.  In fact, you can switch at any point and it will automatically adjust, which is great for protocols like I2C that change direction as part of the transfer process.  A regulator is also provided to give you up to 500mA of 3.3v power from 4-5v.

The MOD-1003S is ideal for I2C (open drain) and SPI (push-pull) communication systems. It does include 10k pull-up resistors.

This module is pre-built and requires no construction, except for adding breakaway headers or soldering wiring directly to the board.