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Products: WiDig v8.0x/8.0x
WiDig v8.0x/8.0x
>> Driver download || Application info || Technical specs

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The WiDig is a thumb-sized easily configurable hardware device that can encode up to 8 sensor signals to audio-visual industry compatible messages, while it can also decode such messages to control up to 8 actuators. It supports a wide variety of analog and digital sensors and actuators. It transmits and receives these messages to/from a computer or mobile device wirelessly via Bluetooth, or to a computer wired via USB cable, for analysis and/or control purposes, in real-time !

Real-time The WiDig has 8 inputs that can sample at up to almost 1000 Hz with milliseconds latency to capture even the finest gestures and movements. This real-time capability, together with its compatibility with a wide variety of sensors and actuators, makes it uniquely suited for use in interactive installations, live performance controllers, and any other setup that requires instant feedback or control.

Sensors The WiDig can be used with a wide variety of analog and digital sensors. Connect up to 8 sensors directly. Analog (0-5V) sensor input is encoded with 10 bit resolution (ie. 1024 steps of each 4.9 mV). Digital sensors, most of which have much higher resolutions, are interfaced using I2C. The firmware includes algorithms to communicate with I2C sensors and pre-process their output. It's possible to connect more digital sensors by daisy-chaining them. For hardware hackers, the WiDig features a hardware hacking area to add your own circuit.

Actuators Control different types of actuators: regular binary "on/off" actuators, PWM actuators such as RC servos, or digital (I2C) actuators. The pins configured for output can provide low current (1 mA) control signals only. To drive an actuator that requires larger currents you need to install a transistor or similar, that is controlled by the actuator output, to enable/disable power supplied to the actuator from the 5V power. The WiDig features a hardware hacking area to add your own circuit.

Wireless The WiDig can communicate wirelessly, via Bluetooth Low Energy (BLE) at the MIDI transmission speed of 31.25 Kbps. The wireless range of the WiDig is specified to be at least 10 meter (without obstructions). A Bluetooth interface allows for the use of up to 7 WiDig units simultaneously. Any BLE interface (such the built-in Bluetooth interface of Apple devices) or adapter should work. The WIDIBud automatically connects to the WiDig and appears as a MIDI port. More features to be added soon through a firmware update: Pair the WiDig with a BLE-to-MIDI cable adapter and connect directly to your MIDI gear. Communicate via Wifi with OSC messages.

Wired When enabled for communication via a USB cable, the MIDI messages appear on the computer at a virtual serial port (called "COM" port on a Windows computer) running at 115.2 Kbps, ie. much faster than the MIDI transmission speed of 31.25 Kbps.

Mobile Connect easily with your smartphone, iPhone, iPad, iPod or other mobile devices via Bluetooth Low Energy (BLE). Once configured with our software, the WiDig's MIDI messages can be used to trigger or control apps, or conversely use apps to control actuators connected to the WiDig.

Compatible The WiDig uses audio-visual industry compliant MIDI messages to encode sensor signals and control actuators. While it's compatible with analog (0-5V) sensors, it's I2C capability makes it compatible with one of the more common bi-directional digital communications protocols for both sensors and actuators. While it's easy to use with regular binary "on/off" actuators, it can also output pulse-width modulated (PWM) signals for the control of actuators such as RC servos. And you don't need a MIDI interface to receive the MIDI messages. The wireless transmission complies not only with the Bluetooth Low Energy (BLE) v4.0 standard but also with the BLE-MIDI standard, so if the WiDig is connected via Bluetooth Low Energy (BLE), its MIDI messages appear on the computer at a virtual MIDI port, whether it's on a computer or mobile device. Another feature to be added soon through a firmware update: Receive these MIDI messages using a BLE-to-MIDI cable adapter with MIDI DIN plugs, so that they are ready for use with MIDI gear. If its connected via USB, its MIDI messages appear on the computer at a virtual serial port (called "COM" port on a Windows computer), which is then mapped to a virtual MIDI port by our Connect software. The USB communication complies with the USB v2.0 standard. Our software provides compatibility with other standards such as Open Sound Control (OSC) and Internet of Things (IoT) webhooks.

Configurable It's updateable firmware v8.0x, configurable with our software, enables it to operate in both "standalone" mode (sensor data is processed before it is transmitted) as well as host mode (raw sensor data is transmitted). Standalone mode includes various sensor processing and mapping features such as gesture recognition that can be conveniently configured using our EditorX software. Configure it with EditorX and it will remember the settings after power down. Our EditorX software allows you to configure the WiDig to map the data in a variety of ways for use with the software or device of your choice. Once configured using our EditorX software you can use the WiDig with software that communicates directly with devices through the virtual MIDI port or virtual serial port. If you need raw sensor data or if you need more sensor mapping or analysis complexity, use it in host mode with our Link software or in combination with a programming or analysis environment to process the sensor data. Or you can just use our Connect application to map the data to/from the serial port from/to a virtual MIDI port or an OSC port. For Internet of Things (IoT) applications, our Connect software includes mapping to a webhook.

Get it now ! It is sold as part of the WiSystem. If you don't need wireless connectivity, check out the USB-microSystem, which, together with the USB-microMIDICable can also send MIDI messages directly to your MIDI gear. For an even smaller version that is wireless-only but with a longer range, check out the Wi-microSystem. For more inputs and resolution, check out the System.

Application Information

Product WiDig

Software Support
Drivers For wireless operation, the WiDig needs the computer or mobile device to have a Bluetooth Low Energy (BLE) interface and driver. For wired operation via USB, the WiDig needs the computer to have a USB port and virtual serial port drivers.
Connect MacOS / Windows
EditorX MacOS / Windows
Link MacOS / Windows
Keys Windows
Plugins Max iCube, oCube and digitizer, Pd iCube, Live Dig4Live
API software Processing, OpenFrameworks, C/C++
More software Find more software on our resources page. I-CubeX digitizers can be used with any software on any operating system as long as it can communicate using the I-CubeX system exclusive messages as specified in the firmware documentation.

Documentation
Quickstart Manuals Connect, EditorX, Link
Firmware Information and reference
Other Apple's Bluetooth FAQ

Technical specifications

Product WiDig (Digitizer v8.0x/8.0x)
Version firmware v8.0x, hardware v8.0x

Sensor input
Number of inputs 8 (of which any can be used for a digital I2C device)
Connector 8x4-position female header (2.54 mm / 0.1" spaced), where each of the 8 analog inputs requires a 3-position column, and each of the 8 digital (I2C) devices a 4-position column
Range 0 to 5 Volt
Resolution 10 bit or 7 bit (user selectable)
Sampling interval programmable from 0 ms (min) - 16380 ms (max) in steps of 1 ms (actual sampling rate below)
Sampling rate active inputs (signal processing disabled)
1 1-2 1-4 1-8
standalone mode control 990 980 645 330 Hz (max)
pitch 990 980 645 330 Hz (max)
host mode 7 bit Hz (max)
10 bit 985 980 865 525 Hz (max)
Sampling latency USB: at least 6 ms; BLE: at least 11 ms, typical 19 ms (one active input without signal processing)
Input impedance greater than 10 MOhm
Signal processing functions inversion
scaling (0.04 Volt min range leaving 3-bit resolution)
threshold detection (0.04 Volt min step)
peak/dip detection (over 16 samples max)
smoothing
differentiation (between 2 consecutive samples only)
noise gate (5 Volt max range)
absolute value
lookup table (32 tables of each 1024 10-bit values)
time duration (16129 ms max)
frequency measurement (16129 Hz max)
Supply voltage 5 Volt
Supply current 350 mA for all sensors and actuators together

Actuator output
Number of outputs 8 (top row of the input/output connector)
Range 0 to 5 Volt
Resolution 1 bit (off = 0 Volt, on = 5 Volt)
Switching rate n/a Hz (max)
Switching latency n/a ms (min)
Signal processing functions pulse width modulation (5-16383 ms interval, 3-127 ms width)
Switching output current 1 mA (typical)
Supply voltage 5 Volt
Supply current 350 mA for all sensors and actuators together

Communications
Data format
Standalone mode MIDI channel voice protocol:
MIDI pitch-bend (10 bit resolution)
MIDI note-on/off, key-pressure, control-change, program- change or after-touch (7 bit resolution)
See firmware documentation for details
Host mode MIDI system exclusive protocol:
See firmware documentation for details
Transmission Bluetooth v4.0 (range: at least 10 m non-obstructed) or USB (serial port profile: 115.2 Kbps, no parity, 1 stop bit, 8 data bits, data flow off)

Power Supply
Voltage 5 V
Current 500 mA (max), 150 mA (no sensors connected, no inputs enabled, no Bluetooth link)
Connector USB microB connector

Form
Dimensions 85 x 26 x 18 mm (3.3 x 1.0 x 0.71 inch)
Weight 0.02 kg ( oz), excl. power supply

Known bugs and issues

We are not aware of any bugs at this time. Please notify us if you think you may have encountered one.

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