I used this to adapt serial signals between 5V and 3.3V chips, as well as I2C signals. For I2C use the two outer channels marked TXI and TXO. Works as specified and very small. Pins come unsoldered - use them if you need them. For the price - it is excellent.

I used this to adapt serial signals between 5V and 3.3V chips, as well as I2C signals. For I2C use the two outer channels marked TXI and TXO. Works as specified and very small. Pins come unsoldered - use them if you need them. For the price - it is excellent.

I used this to adapt serial signals between 5V and 3.3V chips, as well as I2C signals. For I2C use the two outer channels marked TXI and TXO. Works as specified and very small. Pins come unsoldered - use them if you need them. For the price - it is excellent.

headers not soldered as in the picture

headers not soldered as in the picture

headers not soldered as in the picture