555 timer PWM controls Lego Grabber

Let's Make Robots Robots
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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

This is a companion discussion topic for the original entry at https://community.robotshop.com/robots/show/555-timer-pwm-controls-lego-grabber
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555 Timer Hacks Rock

Great share - these 555 Timer Hacks. Thank you.

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Taking into account the fact

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