In this project, I'll make a small circuit capable of controlling a servo, it is a servo tester made out of a 555 timer IC.

Instead of a complicated smartphone, you may be better off with a no-nonsense and accessible simple mobile phone that gives you all the essentials without any fuss. The best simple mobiles are ...

Bright light reduces feeding and weight gain in mice by activating a specific retina-to-brain pathway that signals through the visual thalamus to inhibit appetite-regulating neurons in the ...