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Logic Level Converter - Bi-Directional


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3.3V Signal To 5V Converter or vise versa .

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₨ 130

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Blue is 5V and Red is 3.3v

Here is solution of this fight .

If you’ve ever tried to connect a 3.3V device to a 5V system, you know what a challenge it can be. The Spark Fun bi-directional logic level converter is a small device that safely steps down 5V signals to 3.3V and steps up 3.3V to 5V at the same time. This level converter also works with 2.8V and 1.8V devices. What really separates this Logic level converter from our previous versions is that you can successfully set your high and low voltages and step up and down between them safely on the same channel. Each level converter has the capability of converting 4 pins on the high side to 4 pins on the low side with two inputs and two outputs provided for each side.

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 (3.3V for example) to ‘LV’, and ground from the system to the ‘GND’ pin.


  • 1 — 4-Channel Bi-Directional Logic Level Converter


  • Convert 4 pins on the high side to 4 pins on the low side or vice versa

  • Power from two voltage sources (high and low); high voltage goes to the HV pin and low voltage to the LV pin

  • Pinout labeled on modules

  • I2C signal capable

  • Breadboard compatible

  • Dimensions (excluding pins): 15.2mm (0.6") length x 12.7mm (0.5") width x 2.5mm (0.1") height

  • Weight: 1.2g (0.04oz)


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Logic Level Converter - Bi-Directional

Logic Level Converter - Bi-Directional

3.3V Signal To 5V Converter or vise versa .