IIC UART SPI TT Logic Level Converter 5V-3.3V Bi-Directional Module for Arduino

Product features:
1, four MOS tube to realize four road 3 v and 5 v level of two-way conversion,
2, power input protection meter, 3.3 VLDO integration, and can provide no more than current of 150 ma
3, with power indicator light, clear job or not
4, 1 - wire, which can realize UART, IIC, SPI bus signals such as 3 v to 5 v level of two-way transformation