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Interactive control of purpose built analytical instruments with Forth on microcontrollers - A tutorial.

Jasmine S Furter1, Peter C Hauser1

  • 1University of Basel, Department of Chemistry, Klingelbergstrasse 80, 4056, Basel, Switzerland.

Analytica Chimica Acta
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PubMed
Summary
This summary is machine-generated.

The Forth programming language offers enhanced interactivity for laboratory instrument control. This interpreted language allows direct hardware testing via a personal computer, overcoming limitations of C/C++ on microcontrollers.

Keywords:
Capillary eletrophoresisExperimental systemsForthInteractiv controlMass-flow controllerMicrocontrollerPersonal computerSensorValve

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Area of Science:

  • Analytical Chemistry
  • Instrumentation
  • Computer Science

Background:

  • Microcontrollers like Arduinos are popular for laboratory applications.
  • Traditional languages like C/C++ lack interactivity for direct hardware control.
  • Experimental analytical instruments require precise control of various hardware components.

Purpose of the Study:

  • To describe the use of the Forth programming language for controlling laboratory analytical instruments.
  • To highlight Forth's interactive capabilities for hardware testing and instrument development.
  • To present practical applications of Forth in laboratory automation.

Main Methods:

  • Utilizing Forth as an interpreted language on a microcontroller.
  • Employing a terminal emulator on a personal computer for direct user communication.
  • Testing and controlling laboratory hardware, including pumps, valves, and sensors.

Main Results:

  • Forth provides direct keyboard control over hardware components.
  • Interactivity is significantly improved compared to C/C++.
  • Successful applications include mass-flow controller regulation, capillary electrophoresis sequencing, and alcohol sensor data acquisition.

Conclusions:

  • Forth is a valuable tool for developing and controlling custom laboratory analytical instruments.
  • Its interactive nature simplifies hardware testing and troubleshooting.
  • Forth enhances the flexibility and efficiency of laboratory automation.