| directly measure the resonance of a loudspeaker
jawi (10)
| This Labs project introduces a safe and economical approach to measuring AC power using the PC's sound card, suitable for both grid and audi...
| Simple AC power measuring system, suitable for grid and audio.
| Active loudspeakers feature (in general) good sound quality, but they must be switched on and off manually. The project presented here bypas...
| An audio controlled switch where the audio is muted in the right way.
| There are many triac-based designs for controllers, from very simple to complex. More elaborate circuits like the one presented here use a z...
| This triac regulator is analog design and easy to build.
| this fandriver is easy to build
| simple pwm controlled fandriver
| easy to made crossover