EPT 201X-DB-U2 I2C Slave Communications Board for the Arduino Uno

EPT 201X-DB-U2 I2C Slave Communications Board


The EPT 201X-DB-U2 is designed to support the Uno board of the Arduino Open source Prototyping Platform. The Uno can communicate as an I2C Master to an I2C Slave device. The EPT 201X-DB-U2 is a USB to Slave I2C device. This will allows users to communicate from the Arduino Uno board to the PC over I2C. Use the Active Host API to quickly and easily create a simulated I2C sensor on the PC. Use the simulated I2C Sensor to debug your Arduino I2C Master communication code.

SPI Sensor Simulator

The EPT 201X-DB-U2 I2C Slave Communications Board can communicate directly with HyperSerialPortTM to provide a serial terminal for debugging the Arduino I2C Master communications. You can easily create your own I2C communications and debug it using the EPT 201X-DB-U2.


The EPT-201X-DB-U2 Requires the use of a USB Mini Type B cable. EPT recommends the EPT-USB-AM-MB cable.


  • Uses FTDI 201X IC Chip
  • USB to Slave I2C Interface
  • Up to 3.4 MHz, high speed mode, I2C supported
  • +5V I/O compatible
  • Supported by Active Host API



85-000005 UNO I2C Slave to USB User Manual UNO_I2C_USB_UM.pdf
95-000005 UNO I2C Slave to USB Data Sheet UNO_I2C_USB_DS.pdf
45-000005 UNO I2C Slave Project CD UNO_I2C_PROJECT_CD.ZIP
35-000001 EPT Drivers EPT_2.08.24.ZIP


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