The project is a part of my research at the University of California, Berkeley and is being done in collaboration with Ben Zhang, Audrey Leung, and my advisor Björn Hartmann.
#ARDUINO MAX MSP CODE#
We’re working on building up a library of code examples for different applications so that Arduino users can easily apply machine learning to a broad range of problems. The machine learning algorithms that power this pattern recognition are specified in Arduino-like code, while the recording and tuning of example sensor data is done in an interactive graphical interface.
#ARDUINO MAX MSP SOFTWARE#
Our ESP (Example-based Sensor Predictions) software recognizes patterns in real-time sensor data, like gestures made with an accelerometer or sounds recorded by a microphone. for recognizing spam emails or recommending related products.
Machine learning is a technique for teaching software to recognize patterns using data, e.g. The Sensor Lab has Max/MSP v5.04, Arduino to Max Tutorial Files.At Arduino Day, I talked about a project I and my collaborators have been working on to bring machine learning to the maker community.
#ARDUINO MAX MSP PATCH#
The Max/MSP patch was created using Max/MSP v5.04. Analog In, Digital In and Digital OutĪrduino: Technical Data regarding Arduino. The Analog Out and Digital Out sends a series of data which the Arduino acts upon. The Analog In and Digital In sub-patches poll the Arduino every 100ms, each time sending a series of data from the Arduino analog/digital pins to Max/MSP. These sub-patches operate independently of each other.
#ARDUINO MAX MSP SERIAL#
Useful, when debugging serial communications.Īs mentioned earlier, the Max/MSP tutorial patch has been split into specific areas of interest with respect to the Arduino – Max/MSP communication channel. In Max/MSP, the Serial Config patch has an option which allows you to view the raw data. For example, when Arduino transmits the number 15 it is represented as ASCII value of 49 (“1”) and 53 (“5”), and a Space character is represented as 32. Once you have the Arduino and Max/MSP setup, it is worth noting that the Arduino transmits its serial data as ASCII. As with the Arduino, the Max/MSP serial object can transmit and receive serial data. There are some additional arguments that can be set in the serial object: Data Bits, Stop Bits and Parity. The second argument sets the BAUD rate and needs to match that of the Arduino. The serial object also takes a number of arguments to set up the communications channel. To change serial port, unlock the patcher (ctrl-e or apple-e) and enter the desired letter into the serial object. The serial ports in Max/MSP are are labeled (a, b, c etc.), to discover your available serial ports click on the “print” and a list of ports will appear in the Max Window. The Max/MSP serial object, as seen below, is used to communicate with generic serial devices that do not require additional hardware in order to operate i.e. If the data appears mangled or misrepresented, check that both the Arduino and Max/MSP are set to communicate at the same BAUD rate. The Arduino opens a serial port connection at 9600 BAUD – this is the speed at which Arduino will communicate with Max/MSP and vice versa. Unless otherwise stated, this code is released under the MIT License – Please use, change and share it.
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