Base Resistor TTL Logic Level Converter Module AMS1117 DC 5V to 3.3V for arduiuo
1,03 €
2 : On board 8 channels 5V to 3.3V(also 3.3V to 5V) Logic level converter,base Limiting resistor ;. Between 5V and 3.3V level plus 470 ohm current limiting resistor, to avoid being burned of 3.3V port.
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