DIY Knock Sensor System (Audio) - How I Did It

DriveTune article https://drivetunemedia.com/diy-knock-... How I made a hi-fidelity audio knock sensor system for less than 5 dollars. 0:00 What its for & what it does 0:28 Comparison video DIY vs high-end 0:49 Limitations of DIY 1:04 Parts we need 1:56 Software we need 2:20 Tap into stock sensor 2:56 How to build it 6:19 Things to remember 6:57 Your results may be different 7:10 Like & subscribe Thank you for watching If you are a subscriber, thank you for subscribing If you are not a subscriber, please subscribe Look after yourself & I'll see you again next time! ►SUBSCRIBE    / @drivetunemedia   New Video Every Sunday