Multi-brightness LED controller draws zero off-current

https://www.electronics-lab.com/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 […]