Light Dependent Resistor Tester

Edward Comer bought a whole bunch of inexpensive light dependent resistors, and discovered that they were not exactly performing to specification. So to seperate the good and the bad, he concocted a few Arduino-controlled devices that shine an LED at various brightness levels, and log the value returned by the LDR under test. The data is sent to a PC via the serial/USB link and then recorded and can be analysed with various software.

For more about testing cheap LDRs and analysing the results, click here. And for more, we’re on twitter and Google+, so follow us for news and product updates as well.

Want 10% off your next order? Use coupon code “DEC10” at checkout until the 20th of December 2012. 

If you need a light sensor, you can maintain constant reliable results with our LIGHT: light sensor module:

 

Our tiny light-sensor module uses the very-reliable TEMT6000 light sensor, which gives consistent and repeatable readings even between different units – unlike cheapie light-dependent resistors, which can vary dramatically in their sensitivity. So for reliable light sensing – look no further

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