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Internet Remote Laboratory

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Physical Internet-controlled experiments

Grammar-school of J. Vrchlicky, Klatovy

úvod experimenty o laboratoři kontakt odkazy

Voltamper LED characteristic
(approximate determination of Planck's constant)

Remote experiment

To start a remote control tasks must have your browser installed, and permitted some services. Before you start Make sure the processor so.

System requirements for remote start of the experiment:

  • internet browser externí link with JavaScript and CSS (tested min. version: IE 5, FireFox 3.0, Opera 9.6, …)
  • your internet browser MUST support AJAX externí link (PC browsers are OK, but be careful for some SmartPhones)
  • enable JavaScript in your Internet browser (instructions externí link)


Control of the experiment
control panel
  1. Adjust the el. voltage - the electric voltage can be adjusted by moving the slider, the value is confirmed by clicking on the Set button

  2. Experimental values - value of el. voltage on the diode and el. passing flow through the diode.

  3. Web camera - The camera shows five LEDs that are measured (selected LED will light up after crossing Up)

  4. Writing values to the table - measured values are entered in a table of values

  5. Table of experimental values - values of voltage and electric current is stored for plotting to the V-A characteristics

  6. Work with data in Table - see chart, save data, delete table

> Control panel <

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