Mission | Contact
QBridge-I2C-USB device provides a low
cost, efficient way to connect your PC
to I2C bus.
User friendly application <QBridge
Control Center> is included for
access to I2C bus.
male DB9 for external
Microchip PIC18F2455 microprocessor with
built in USB functionality.
Self power by USB port for up to 200 mA.
Internal 2.2K resistor pull up for I2C
bus with +3.3V.
Windows XP and 2000 USB device driver
Documented USB to I2C API extends
flexibility for user development.
Configurable I2C speed between 100 K and
Field upgradeable for the application
software via USB port.
Example programs for Microsoft Visual
C++ 6.0 and Visual Basic 6.0.
We also carry a
version of QBridge-USB-I2C with +5V I2C pull up. You
can request it by emailing to
-->Please also see our RS232-I2C
© Copyright 2003-2011
Q-Proto Systems. All rights reserved. (09-2011)