Gikfun 8 Channel 8-Bit Logic Level Bi-Directional Converter Module TXS0108E for Arduino EK1761 Provide two-way communication capability VCCA side support voltage: 1.2V-3.6V VCCB side support voltage: 1.65v-5.5v Can provide 3.3-5V, 1.8-3.3v and other common level conversion capability