Tools & measurement - all subcategories
author: Smart Kit
visits: 171857
author: Circuit Exchange International
visits: 66231
author: Audioguru
visits: 46058
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: 43531
author: Serge Saati
visits: 40968
author: Andy Collinson
visits: 39454
author: Hawker, P Amateur Radio Techniques, Seventh Edition, RSGB, 1980
visits: 26760
author: Andy Collins' Circuit Exchange
visits: 26644
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Audio
