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Many channels I2C level translator module, IIC UART SPI TTL Bi-Directional level translator module, compatible with 5-3v system. I2C level translator module, 3V to 5V, 5V to 3V for Arduino. If you've ever tried to connect a 3.3V device to a 5V system, you know what a challenge it can be.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.