Microphones
How to Build a Microphone Amplifier Circuit
Make this DIY Contact MIC Circuit | Homemade Circuit Projects
Piezo contact microphone hi-Z amplifier – low noise version – Richard Mudhar
Piezo Preamps
Piezo contact microphone hi-Z amplifier using a FET – Richard Mudhar
Simple Microphone to Speaker Amplifier Circuit Diagram
Piezo Preamps
Several Piezo contact mics with Arduino - Arduino Stack Exchange
Building your own Piezo-Preamp – The Center for Haptic Audio Interaction Research
Contact Mic - CircuitLab
A 5-channel mixer / preamplifier for piezo disks by Godfried-Willem Raes
Make this DIY Contact MIC Circuit | Homemade Circuit Projects
Alex Rice Piezo Preamplifier – Zach Poff
Designing a Tin Can Piezo Microphone – DIY Recording Equipment
Collin's Lab: DIY Contact Mic - Make:
Guitar Contact Microphone Preamp : 7 Steps - Instructables
Binoy's Tech Blog: Using a piezo-microphone
Looking for piezo mic amplifier circuit - DIY STUFF - Look Mum No Computer Thingies
Make this DIY Contact MIC Circuit | Homemade Circuit Projects
A 5-channel mixer / preamplifier for piezo disks by Godfried-Willem Raes
Piezo Preamp Experiment - Cigar Box Nation
Increase piezoelectric transducer acoustic output with a simple circuit - EDN
Building your own Piezo-Preamp – The Center for Haptic Audio Interaction Research
