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Led display digital Voltmeter circuit diagram


author: Smart Kit
visits: 161146
Metal Detector circuit diagram


author:
visits: 88206
Function Generator circuit diagram


author: Circuit Exchange International
visits: 61530
Electronic Stethoscope circuit diagram


author: Audioguru
visits: 41461
Simple but reliable car battery tester circuit diagram
This circuit uses the popular and easy to find LM3914 IC. This IC is very simple to drive, needs no voltage regulators (it has a built in voltage regulator) and can be powered from almost every source.

author: Jonathan Filippi
visits: 39912
Digital Radar Speedometer circuit diagram


author: Serge Saati
visits: 36222
Multi Wire Cable Tester circuit diagram


author: Andy Collinson
visits: 35339
Capacitance Meter circuit diagram


author: Hawker, P Amateur Radio Techniques, Seventh Edition, RSGB, 1980
visits: 23691
Crystal Tester circuit diagram


author:
visits: 22818
Digital Remote Thermometer circuit diagram


author: RED Free Circuit Designs
visits: 22650
page: 1 2 3 4


project categories:
folder Audio (49)
folder Power & high voltage (43)
folder Radio (23)
folder Light & LED (31)
folder Tools & measurement (40)
folder Telephone (18)
folder Automotive (10)
folder Microcontrollers (12)
folder Sensors & control (47)
folder Timers & oscillators (40)
folder Miscellaneous (26)

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project subcategories:
All subcategories
testing equipment
measuring devices
other tools

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