On my 9V battery I am getting a beep-pause-beep-pause pattern on my speaker.
Let's believe in Evolution
My motto: No matter how hard it is or how stupid the attempt sounds, I always remind myself to believe in evolution. Evolution is always on my mind.
My Invention Stories is a website to document my creations. Based in Hong Kong, the creations/inventions are based on what I desire for some good use.