iOLab System

Technical Specs



  • Wireless iOLab unit communicates with USB dongle using 2.4GHz ISM band.

  • Powered by 2xAA batteries.

  • TI-MSP430F5329 microcontroller, TI CC2543 radio.

  • Dongle communicates with PC/Mac via simple virtual comport interface (i.e. no special USB programming required).

  • Individual sensors synchronized and read out in various predefined configurations.

  • Up to 4.8 kHz sensor sampling.

  • One dongle can synchronously read data from two iOLab remotes.

  • Wireless range up to 100 feet. RSSI included in data.
  • Size 30 mm x 75 mm x 130 mm, Weight: Remote 148 g (w/o batteries), Dongle 8g.

Sensor Parameters

  • 3D accelerometer (14 bit signed, 2/4/8g ranges, 1.56 800 Hz sample)

  • 3D magnetometer (16 bit signed, 1000 uT range, 0.63 80 Hz sample

  • 3D gyroscope (16 bit signed, measures ωX, ωY, ωZ, 250/500/2000 deg/sec ranges, 95 760 Hz sample rate)

  • Rolls on 3 wheels along Y axis; optical encoder measures displacement velocity & acceleration, 1 mm/count, 100 Hz sample rate

  • Force probe (Range ± 10 N parallel to Y axis, 12 bits)

  • Light intensity sensor (12 bit, up to 4.8 kH)

  • Atmospheric pressure sensor (0.15 kPa resolution, 1100 Hz sample)

  • Temperature sensor (die temperature, w/ 400 Hz)

  • Microphone (12 bit, 20 20kHz, up to 4.8 kHz Hz sample)

  • Speaker/Buzzer (programmable pitch & duty cycle, 35Hz -8.4 kHz)

  • EKG daughter board mates with header (3 or 6 differential channels + ground ref, each 12 bits, TI INA333 instrumentation amplifiers, up to 800 Hz samp

  • DC coupled high gain differential amplifier, inputs on header, up to 4.8  kHz sampling.

  • 6 analog input pins on header (sampled by 12 bit ADC)

  • 6 digital I/O pins on

  • DAC output on header (8 bit)

  • Two pushbuttons (software read)

  • Two tricolor LED's.

  • FTDI interface on header (standard config)

  • Over the air reprogramming of both sensor microcontrollers (i.e. no special hardware needed to redesign & modify the open source firmware.)

  • Device designed to be opened; threaded metal bushings for all screws; easy to disassemble and reassemble.

A Primer for Analog Inputs & Outputs

See the Analog Guide

Take a Look Inside

iOLab Device and circuit board diagram

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