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Level Shifters & Expanders

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  1. 8-channel Bi-directional Logic Level Converter - TXB0108

    This chip perform bidirectional level shifting from pretty much any voltage to any voltage and will auto-detect the direction. Only thing that doesn't work well with this chip is i2c (because it uses strong pullups which confuse auto-direction sensor). If you need to use pullups, you can, but they should be at least 50K ohm - the ones internal to AVRs/Arduino are about 100K ohm so those are OK!
  2. 4-channel I2C-safe Bi-directional Logic Level Converter - BSS138

    This level shifter board combines the ease-of-use of the bi-directional TXB0108 with an I2C-compatible FET design following NXP's app note. 

  3. Logic Level Converter

    This 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.

  4. TCA9548A I2C Multiplexer

    I2C multiplexer that allows you to use multiple I2C devices with the same address.
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4 tuote(tta)