Laser Scanning Microscope from Blu-ray Player #1: Making a Laser Microphone

In this video I am going to dissect a Blu-ray player to figure out how we can make a laser scanning microscope out of it. I light up the the laser and build a laser microphone as a first step. I recommend to recreate this project with a PCB from PCBGogo: https://www.pcbgogo.com/promo/DoctorVolt Tools: Camera: https://amzn.to/3kDp1BJ USB Oscilloscope: https://amzn.to/3CMC7Tu Blu-Ray player: Samsung BD-J5900 (No more made) Consider to support this channel on Patreon or become a channel member and get updates about ongoing projects and preview videos! https://www.patreon.com/docvolt Buy me a coffee: https://www.buymeacoffee.com/docvolt Paypal: https://www.paypal.com/paypalme/docvolt 0:00 Introduction 0:19 Dismantling a Blu-Ray Player 1:43 What is inside a Blu-ray player 2:27 Hacking the Blu-Ray Player 4:19 The laser system 5:21 Focus Error Signal and Laser Microphone 7:48 Outlook to the next steps