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Explore the DSP magic behind lock-in amplifiers that can detect signals hidden below the noise floor in this 19-minute conference talk from Hackaday Supercon 2024. James Rowley and Mark Omo demonstrate how to transform a standard oscilloscope into a lock-in amplifier, providing an affordable alternative to specialized instruments. Discover practical techniques for extracting meaningful signals from noisy environments and expand your measurement capabilities with equipment you likely already own.
