Electronic projects |
|
|
Audio - VU meters & spectrum analyzers
page:
1
This nifty sound level meter is a perfect one chip replacement for the standard analog meters. It is completely solid state and will never wear out. The whole circuit is based on the LM3915 audio level IC and uses only a few external components.
author: visits: 2957 
This 3 channel 15 LED spectrum analyzer is the perfect addition to any audio amp project. It produces fantastic displays on three LED bars that can be individually adjusted for any particular frequency range.
author: visits: 1914 
This circuit indicates audio output power via three LEDs. Nice addon to your amplifier.
author: RED Free Circuit Designs visits: 895
page:
1
|
 Audio (49) Power & high voltage (43) Radio (23) Light & LED (31) Tools & measurement (40) Telephone (18) Automotive (10) Microcontrollers (12) Sensors & control (47) Timers & oscillators (40) Miscellaneous (26)All subcategories amplifiers preamps, filters, effects VU meters & spectrum analyzers mixers other Doorbell for the Deaf High Quality Intercom Combinational Conjuring Trick POT-PLANT POWER Ultrasonic Dog Whistle Quiz Circuit LED Torch Insect Repellant Speaker Microphone Circuit Magic Wand Conjuring Trick. 500W low cost 12V to 220V inverter Basic UPS Power Supply 100W RMS Amplifier Led display digital Voltmeter 200W audio amplifier 12 Volt 30 Amp PSU 2N3055 Power Amplifier PlayPIC® LED Torch The Link Telephone Intercom – Every Home Should Have One! |
