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Main resources: PCF8574, I2C interface, 8-bit parallel port. 1 x PCF8574 Module. Supporting I2C bus cascade (multiple I2C modules can be used simultaneously through needle or needle row). Supporting two types of interface access to the target board: Needle or needle row.
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.