Project:OpenMeter: Difference between revisions
From London Hackspace Wiki
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* [http://www.greenweld.co.uk/acatalog/Diffraction_GRatings.html Diffraction grating] ~£10 inc P&P (for 10 1000 lines/mm) - can get cheaper from Ebay.. | * [http://www.greenweld.co.uk/acatalog/Diffraction_GRatings.html Diffraction grating] ~£10 inc P&P (for 10 1000 lines/mm) - can get cheaper from Ebay.. | ||
* Sensor (photo-diode) ~£1, have one in electronics kit. | * Sensor (photo-diode) ~£1, have one in electronics kit. | ||
Total = ~£85 | |||
==Who?== | ==Who?== | ||
* [[user:ciaran.mooney|Ciarán]] | * [[user:ciaran.mooney|Ciarán]] | ||
