lockin/src, branch master Use computer audio system to create a lockin amplifier https://av8n.com/cgit/lockin/atom?h=master 2024-03-16T18:42:15+00:00 initial setup 2024-03-16T18:42:15+00:00 John Denker jsd@av8n.com 2024-03-16T18:21:23+00:00 urn:sha1:9852b855db2a65ea6eb5e877411634820214ddf0