Let's Make Robots!

555 timer PWM controls Lego Grabber

 

Please visit my Instructable "555 Timer Hacks: Cable Testers, Magnetic Stirrers, and Lego Grabbers Oh My!" to see a demonstration of 555 timer IC Pulse Width Modulation (PWM) to use in your robotics projects: http://www.instructables.com/id/Hack-Your-Snap-Circuits-a-Minimalist-Very-Few-Co/?ALLSTEPS

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Great share - these 555 Timer Hacks. Thank you.

Great design! Congratulations, I'd love to read about how you managed to do it.