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: http://patreon.com/electroboom My tee-shirts: null 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 Follow me on Facebook: http://www.facebook.com/ElectroBOOM 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