Had to reupload! see comments. I like to record my phone calls directly on camera… for research purposes… so I designed some circuit to wiretap the land line directly to my camera audio input.

It would be pretty awesome if you support ElectroBOOM at Patreon:
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Viewers giveaway announced. Please see comments.
Enter your school for giveaways here: https://goo.gl/forms/tOEQE8KfwTq4vNMq2

My article on this: https://www.electroboom.com/?p=1034
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Special thanks to http://www.keysight.com for helping with giveaways!

Thanks to http://CircuitSpecialists.com for proving my essential lab tools
My sponsors and patrons, http://www.electroboom.com/?page_id=727

Below are my Super Patrons with support to the extreme!

Aki K. at http://www.pc-doctor.com/
Enzo Breda Lee
Nicholas Moller at https://www.usbmemorydirect.com
Jörn Höfer

By: Mehdi Sadaghdar