Need to communicate with an I²C Bus slave device? iPort Message Center, our free I²C Bus Master messaging software, makes communicating with a slave device quick and easy.

Use Message Center to send one or thousands of messages to one or more I²C Bus slave devices. Enter, edit, save, or load message lists. Create on-the-fly messages with external file creation tools. Automate I²C Bus messaging from Windows short-cuts, batch files, spreadsheets, and more...

• Supports Master Write, Master Read, and Master Write/Read operations.
• Edit Slave Address, Write or Read, Message Data, Bytes to Read, with Repeated-Start, and Time-Delay options.
• Compatible with all 7-bit addressable I²C slave devices. 
• Supports Multiple Masters, Bus Arbitration, and Interrupt Signal detection. 
• Create/Save/Load up to 32,000 messages. 
• Configurable Serial Port and I²C Bus Clock Rates. 
• Auto-Repeat option. 
• Stop or Beep on selected bus events.
• Supports all MCC I²C Bus host adapters.

Update V5.4.1 Corrections:

• None.

• Increase I²C message length to 99 data bytes. Previous versions of this software was limited to 32 data bytes per message.

This copyrighted product update is offered free of charge to current licensees of the iMsgCtr.EXE I²C Message Center Program for use with MCC I²C Bus host adapters. Its use is covered by the MCC license agreement provided at the original time of purchase.

1. Click the Download link below and save the ZIP file into a new installation folder on your Windows based PC.
2. Unzip the file iMsgCtr541.zip. This ZIP file contains all required iPort Message Center files.
3. Double click on iMsgCtr541.exe in the installation folder to start the program.
4. See the iPort Message Center section of the I²C adapter's User's Guide for instructions on using this utility program.