Mikrophonie resources
Power supply
- USB to 12V project
- PowerBRICKS USB to dual 12V
- Instructables - dual power supply circuit
- Power supplies intro
- Mini PSU project
- Circuits DIY - dual power supply circuit
- Conrad 15V AC travos
Mikrophonie
- Mkrophonie circuit diagram (pdf)
- Ears circuit diagram (pdf)
- Piezo contact mics pre amp circuits
- The first rule of CONTACT MIC club
Pre amps with OpAmps
- Designing with OpAmps
- Piezo Pickup Amplifiers
- High Quality Audio Preamp
- OpAmp shootout
- OpAmp info
- Notes on audio OpAmps
- Instructables OPA Alice (1)
- Instructables OPA Alice (2)
- Alex Rice Piezo preamplifier
- Discussions about piezo pre amp building