20 Pcs 3.3V 5V TTL Bi-directional L0gic Level Converter

Feature 2 channels of high voltage l0gic and low voltage l0gic bilateral switching2 channel of high voltage l0gic switch low voltage l0gicinto unitary transf0rmationSize 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 switchingPackage included 20 x L0gic Level Converter