Browsing Fakultet for naturvitenskap (NV) by Journals "HardwareX"
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A sensitive and compact optical detector based on digital lock-in amplification
(Peer reviewed; Journal article, 2021)We report a sensitive, fixed-wavelength, lock-in-based optical detector built from a light-emitting diode, two colour filters, a photodetector, a small number of discrete analogue components, and a low-cost microcontroller ...