Make this DIY Contact MIC Circuit | Homemade Circuit Projects
Piezo contact microphone hi-Z amplifier – low noise version – Richard Mudhar
Guitar Contact Microphone Preamp : 7 Steps - Instructables
audio - Electronic stethoscope / contact mic not quite working - Electrical Engineering Stack Exchange
Piezo Preamp Experiment - Cigar Box Nation
Building your own Piezo-Preamp – The Center for Haptic Audio Interaction Research
Piezo contact microphone hi-Z amplifier using a FET – Richard Mudhar
Guitar Contact Microphone Preamp : 7 Steps - Instructables
Make this DIY Contact MIC Circuit | Homemade Circuit Projects
Piezo Preamps
Alex Rice Piezo Preamplifier – Zach Poff
Simple Microphone to Speaker Amplifier Circuit Diagram
Increase piezoelectric transducer acoustic output with a simple circuit - EDN
Binoy's Tech Blog: Using a piezo-microphone
Collin's Lab: DIY Contact Mic - Make:
The Piezoelectric/Crystal Microphone · Steele Vintage Broadcast Microphone Collection · UGA Special Collections Library Online Exhibitions
Make this DIY Contact MIC Circuit | Homemade Circuit Projects
Piezoelectric Transducer: Applications & Working Principle | Electrical4U
DIY piezo preamp with hi-pass filter – breaks.berlin
Several Piezo contact mics with Arduino - Arduino Stack Exchange
Piezo Preamps
Guitar FX Layouts: Acoustic Piezo Preamp
The Mint-box Piezo Buffer
