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How to Easily Ebonize Wood
Wooden Bar Clamp
Mobile Workbench With Built-in Table & Miter Saws
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Arduino Watch Core
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Simple to gather materials and easy to build. Briliant idea! Voted.
Backpack Cargo Net From Inner Tubes
Better No-Cost Crampons
Very cool project. Nicely documented. I enjoyed especially the explanation why you divided leds into 6 groups. Makes perfect sense!
Nice transition from multi-vibrator to valentine day theme.A suggestion for next level (next year) - the leds could brighten and fade slower. Google "lm358 breathing leds" - lm358 is a very popular and cheap op amp IC - the rest of the components you probably already have. The idea of the circuit is similar - the op amp use the voltage on the capacitor as a feedback to drive the transistor gate. Charging and discharging (time also configured by the resistor value - RC time constant) causes the feedback delays leading to the hysteresis loop.
I would suggest to rename this instructable to "blinking heart"
I would suggest to rename this instructs let to "blinking heart"
Adding a Current Limit Feature to a Buck/Boost Converter
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Laser Engraving on Your Prusa MK3