100pcs 3.3V 5V TTL Bi-directional Logic Level Converter Geekcreit for Arduino - products that work with official Arduino

Features 2 channels of high voltage logic and low voltage logic bilateral switching2 channel of high voltage logic switch low voltage logicinto unitary transformationSize 15 5mm x 16mm x 11 5mmModule is compatible with the breadboard it can be put on the breadboard directlyDescription High Voltage 5VLow Voltage 3 3VGND for negative power5V TTL RXI input 3 3V TTL RXO outputTXI input output of 3 3 V TTL TXO input output 5 V TTL TXI and TXO bilateral switchingNote It is not soldered Package included 100 x Logic Level Converter