Overview
The bidirectional logic level converter is a small module that safely steps down 5V signals to 3.3V while simultaneously boosting 3.3V to 5V. This level converter also works with 2.8V and 1.8V modules. Each level converter can convert 4 pins on the high sideto 4 pins on the low side, with two inputs and two outputs for each side.
The level converter is very easy to use. The board must be powered by the two voltage sources (high voltage and low voltage) that your system uses. High voltage (e.g. 5 V) to the 'HV' pin, low voltage (e.g. 3.3 V) to 'LV' and ground from the system to the 'GND' pin.
Specifications:
Dimension: approx.16mm x 13mm
Instructions and further information on sparkfun.com: Link
Further links to "Logic Level Converter - bidirectional 5V to 3.3V and 3.3V to 5V for Arduino"
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