Dial-a-Speed Motor Controller

Build this homemade “one-size-fits-most” speed controller for use with your hobby projects. It’s small, it’s flexible, and it’s built with off-the-shelf components around the venerable 555 timer IC. Dial-a-Speed Motor Controller - [Link]



from Electronics-Lab.com Blog http://ift.tt/1mYqImP

via IFTTT