This is an useful circuit.It used to monitor audio power delivered to loudspeakers like a VU meter. No power supply – no setup required .source
Audio Indicator
Six-LED Bar Power Indicator
Catagory : Audio Indicator, LED circuits
Three-Level Audio Power Indicator
Catagory : Audio Indicator, LED circuits
Three-Level Audio Power Indicator.Battery-operated 3 LED display.Simply connect it to loudspeaker output.source
What Circuits ?
-
- Alarm and Security
- Audio / Signal Processing
- Audio circuits
- Automotive
- Battery charger circuits
- Communication
- Computer related circuits
- Controller
- Display related circuits
- Electronic switch circuits
- Encoder and Decoder
- Fun circuits
- How to and Ideas
- Input/Output circuits
- Instruments Circuits
- Laser related circuits
- LED circuits
- Light control circuits
- Microcontroller
- Motor control circuits
- Power supply circuits
- Remote control circuits
- RF circuits
- Sensor circuits
- Signal generator circuits
- Software
- Sound and Music circuits
- Telephone circuits
- Temperature related circuits
- Timer/Counter circuits
- Uncategorized
- Video circuits