https://stream.echo6.co/videos/watch/e5df93f7-64ce-47ba-8434-12c67aef7914 Mailbag. Dave opens his mail and tears down a bunch of random stuff. Forum: http://www.eevblog.com/forum/blog/eevblog-847-mailbag/ SPOILERS: Counterfeit copies of Art Of Electronics! Genuine copy is here: http://amzn.to/1nCmmaK How to detect the counterfeits: http://artofelectronics.net/the-book/counterfeit-editions/ Other Youtubers: https://www.youtube.com/user/DextersLab2013 https://www.youtube.com/user/CarlsTechShed Electromechanical vibrator from a chopper amplifier Polygraph machine amplifier teardown Fluke 70 teardown RCA valve oscilloscope teardown Analog Discovery 2 http://sine.ni.com/nips/cds/view/p/lang/en/nid/213328 Red Pitaya V1.1 Digital Measurement & Control Development Board http://redpitaya.com/ Home energy Saver device teardown Guest appearance by Sagan EEVblog Main Web Site: http://www.eevblog.com The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2 Support the EEVblog through Patreon! http://www.patreon.com/eevblog EEVblog Amazon Store (Dave gets a cut): http://astore.amazon.com/eevblogstore-20 T-Shirts: http://teespring.com/stores/eevblog Donations: http://www.eevblog.com/donations/ Projects: http://www.eevblog.com/projects/ Electronics Info Wiki: http://www.eevblog.com/wiki/ 💗 Likecoin – Coins for Likes: https://likecoin.pro/@eevblog/dil9/hcq3 Tue, 12 May 2026 11:31:23 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/e5df93f7-64ce-47ba-8434-12c67aef7914 All rights reserved, unless otherwise specified in the terms specified at https://stream.echo6.co/about and potential licenses granted by each content's rightholder.