I²CMini: A tiny USB to I²C bridge that is compatible with I²CDriver
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I²CMini is a USB to I²C bridge. It can drive and monitor I²C traffic
and measures just 18 mm square. It has a micro USB connector,
a Qwiic connector on the I²C side, and .1" pins
for a breadboard or pin header. I²CMini is 100% compatible with
I²CDriver,
and like I²CDriver (i2cdriver.com) it’s an easy-to-use, open source tool for controlling I²C devices.
It has a GUI that works with Windows, Mac, and Linux, and it has first-class Python2/3, C/C++, and command-line tools.
I²CMini is particularly well-suited for applications like IoT and drones,
cleanly separating your SBC from the I²C bus. Because it is totally
compatible with I²CDriver, you can develop on the I²CDriver and deploy
on the I²CMini.
Like I²CDriver, it works equally well with Windows, Mac, and Linux.
It uses a standard FTDI USB serial chip to talk to the PC, so no special drivers need to be installed.
The board includes a separate 3.3 V supply for your I²C sensors and peripherals.
On the I²C side, I²CMini has the same four-pin header for connecting to peripherals as the I²CDriver.
You can solder directly to this .1 " header.
It also offers a Sparkfun Qwiic-compatible connector.
Qwiic is a new standard for building I²C networks without soldering.
I²CMini comes with free (as in freedom) software to control it from:
a GUI
the command-line
C and C++ using a single source file
Python 2 and 3, using a module
Like I²CDriver, it can both drive and listen on the I²C bus,
and it has the same programmable pullup resistors for both I²C lines.
Who Needs It and Why?If you want to connect an I²C peripheral to a CPU with USB, I²CMini is the ideal interface.
Its straightforward Open Source hardware and software design make it the maker’s choice.
Show I²C Devices Who’s BossBy controlling I²C hardware using the PC tools you’re most comfortable with, you can get devices
doing what you want in a fraction of the development time.
Calibrating devices like accelerometers, magnetometers, and gyroscopes is much easier when done directly on the PC.
I²CMini ships with Python examples using small groups of I²C devices to
make something useful.
A Tiny BridgeAt 2.1 g and 18 x 18 mm, the I²CMini will fit into the tinyiest projects, so
after developing on the full-size I²CDriver, you can drop the I²CMini into small spaces
like drones and IoT devices.
A Solid Platform for Your Embedded I²C NetworkBecause it uses the same proven firmware and toolchain as I²CDriver,
I²CMini is the solid, reliable choice for driving your sensors and peripherals.
Its a straightforward interface - it appears as a standard serial device - giving you a high level of portability and maintainability.
There are no special drivers to install, so code for I²CMini and I²CDriver can work on any platform.
Compare: I²CDriver and I²CMini
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