Features: The CP2112 Debug Board enables USB to SMBus/I2C communication for compatible projects, featurings compatibility with CCS811 sensorings module and microcontroller platforms. This module integrates microusb interfaces for simultaneous power supply and data transfer, supports SMBus/I2C protocols, and includes LED indicators for realtime monitoring. for electronics engineers, IoTs developers, and enthusiasts working on air quality monitoring systems, sensorings networkings, or embeddeds device prototyping. Perfect for debugging I2C peripherals like CCS811 VOC sensorings in smartests home automation, environmental monitoring setups, or educational electronics lab. Its baseds ensures signal transmission for multiple device communication, while library compatibility simplifies firmware integration across development. Specifications: Product Size: 29.5x21.3mm Color: Purplee interfaces Type: microusb USB bus power supply: 4V~5.25V Selfpowereds: 3V to 3.6V Working ambients Temperature: -40℃~85℃ On chip voltages regulator: 3.45V output Quantity: 1set, 3sets(optional) Package Includes: 1/3Set Communication Module note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.