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Digital Analog Slider with Buttons
A few months after we posted photos of our original Precision Analogue Scale Device, several different researchers requested that we modify it to work nicely with DirectRT and MediaLab.
We added a some pushbuttons (because everyone needs pushbuttons,
right?) and designed some circuitry which communicates with your computer's serial port.
The circuitry takes a 'snapshot' of the fader's position at whatever interval you request, up to 10 times per second. You can specify when the box should begin and end recording data, and if you'd like to capture a dozen different 30 second 'sessions' over the course of an experiment, that's OK. MediaLab and DirectRT create a separate text file which logs the data output. The data file is tab-delimited, so it's easy to analyze in excel or SPSS.
Here's some sample output:
Interval set to = 0.1 second increments.
00:00.1 P = 16
00:00.2 P = 16
00:00.3 P = 16
00:00.4 P = 16
00:00.5 P = 16
00:00.6 P = 16
00:00.7 P = 16
00:00.8 P = 16
00:00.9 P = 16
00:01.0 P = 23
00:01.1 P = 33
00:01.2 P = 46
00:01.3 P = 60
00:01.4 P = 72
00:01.5 P = 80
00:01.6 P = 88
00:01.7 P = 96
00:01.8 P = 99
00:01.9 P = 99
Stopped
The unit connects to the computer via a 10' power and data cable.
Variations on this theme are always available, so please contact us if you need anything at all.
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Release of the sleek new DirectIN button boxes. Same super-fast circuitry but a fresh new look. Read more
Empirisoft releases the first circuit board that can be implanted in a standard keyboard to make it millisecond accurate. Read more
DirectIN surgery -- designing top quality keyboards with millisecond accuracy.
Release of the DirectIN Custom Response Box System., the first high-precision, plug and play box that allows you to switch button layouts.
Empirisoft hires engineering genius John Chapman to head its new hardware division.
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