Musical pen that produce crazy sounds genereated by brain 555 chip,photo resistor and white led.
Subscribe and be a Hacktuber.
For schematic visit here:http://hackaweek.com/hacks/?p=699
DIY Musical Pen with 555 Chip ─ American Hacker
<style>.embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }</style><div class="embed-container"><iframe src="https://www.youtube.com/embed/2CdIf2LWUMQ" frameborder="0" allowfullscreen></iframe></div>
