3.3V / 5V TTL Logic Level Converter Module

Size: 15.5 * 16 * 15.5 mmThe module features:1, 2 channels of logic and high voltage low voltage logic two-way transformation2, 2 channels of high voltage logic into a low voltage logic of one-way conversion3, small module, 1.5 cm X 1.5 cm4, module compatible with bread plate, can be used directly put on the bread boardInstructions: the high voltage of 5 V low voltage of 3.3 V, for example)HV connect 5 v power supplyLV 3.3 V power supplyGND connect power anode, both the power of the Commons5 v TTL RXI input, will be in 3.3 v TTL RXO outputTXI input and output of 3.3 V TTL, TXO input/output 5 V TTL, TXI and TXO bidirectional transfers