Multi-brightness LED controller draws zero off-current
T A Babu @ edn.com has a design idea of a led controller with some nice features: The key features of this Design Idea are: Soft switch on/off operation Zero current drain in sleep mode Two level dimming Low battery protection Simple controller based on CMOS 4017 Johnson counter Multi-brightness LED controller draws zero off-current - [Link]
Components
by mixos
T A Babu @ edn.com has a design idea of a led controller with some nice features:
The key features of this Design Idea are:
Soft switch on/off operation
Zero current drain in sleep mode
Two level dimming
Low battery protection
Simple controller based on CMOS 4017 Johnson counter
Multi-brightness LED controller draws zero off-current – [Link]
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