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Audio - other

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Insect Repellant circuit diagram


author: Graham Maynard & Andy Collinson
visits: 770
Ultrasonic Dog Whistle circuit diagram


author: Tomaz Lazar
visits: 674
High Quality Intercom circuit diagram


author: Andy Collinson
visits: 501
Amplifier Timer circuit diagram
Timer circuit that turns-off your amplifier when idle for 15 minutes. Fed by amplifier tape-output.

author: RED Free Circuit Designs
visits: 407
Precision Audio Millivoltmeter circuit diagram
Measures 10mV to 50Volt RMS in eight ranges

author: RED Free Circuit Designs
visits: 206
Audio Perimeter Monitor circuit diagram


author:
visits: 139
page: 1
project categories:
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)

project subcategories:
All subcategories
amplifiers
preamps, filters, effects
VU meters & spectrum analyzers
mixers
other

recently added projects:
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.

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