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This device presents itself as a COM port on the PC (also works with Linux and MAC). Text commands typed into the serial interface are interpreted and sent as commands

Features

1. I2C interface speed selectable
2. Can detect all I2C addresses on the bus (find feature)
3. LED to indicate if I2C bus has locked up
4. On Board 3V3 and 5V voltage regulator for power o/p and short circuit protection
5. Two modes of operation SPI and I2C
6. SPI has 3 CS lines to drive up to 3 devices
7. Comes with free terminal software and user guide
8. Inspector mode for analysing I2C bus traffic

This device is a low cost conversion tool that is ideal for either experimenting with SPI/I2C devices or using these devices via a USB port. It is easy to use and its unique text i/o is intuitive and simple.. It works with both SPI and I2C so it is really two tools in one. In addition it will work with and POWER 3V3 & 5V logic devices. There is a foundation user guide with projects that can be used for learning about either of these busses.

Anatomy of the BV4221-V2

1. USB presents itself as a COMM port
2. SPI Interface
3. Three Chip select lines with LED indicators that illuminate when the CS is low
4. I2C Interface
5. LED's that monitor the clock and data lines
6. On board 3.3V and 5V regulators
7. Voltage selection

*** Resource File & Data Sheet updated Jan 2011 ***

  Resources, Data sheet, drivers etc. Includes LabVIEW resource

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