Geiger counter graphical display: Difference between revisions
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It's | It's [https://www.sparkfun.com/products/11345 sparkfun geiger counter] and a cheap led matrix from aliexpres (8x8 led matrix + max7219 driver). | ||
The best part is the software of course :-) | The best part is the software of course :-) | ||
What it does is in 1 minute (so ~970ms per led) either lighten up or turn off a led depending on if in that 970ms an beta/gamma particle was detected by the geiger counter. | |||
'''proof of concept''' | |||
[[File:Geigermatrix.jpg]] | [[File:Geigermatrix.jpg]] | ||
'''final version''' | |||
[[File:Geigermatrix2.jpg]] | |||
Latest revision as of 22:13, 26 June 2015
It's sparkfun geiger counter and a cheap led matrix from aliexpres (8x8 led matrix + max7219 driver).
The best part is the software of course :-) What it does is in 1 minute (so ~970ms per led) either lighten up or turn off a led depending on if in that 970ms an beta/gamma particle was detected by the geiger counter.
proof of concept
final version
