3D Shaker, Nutating Mixer
Description
<b>Made on request of my wife. It’s a laboratory equipment used to mix, blend, or agitate substances in a tube or vial by shaking them. Functions: <ul> <li>timer</li> <li>motor speed control - rpm (quite accurate)</li> <li>angle adjust by replacing Crankdeg part: 10deg, 15deg, and 20deg</li> <li>save config: default time and rpm to mcu memory</li> </ul> <b> Video how it's working: https://youtu.be/TyF6TsbwEOg <b> Code and schematics: https://github.com/polihedron/TM1637_Timer_RPM-stepper_motor <b> <b> BOM: <b> <ul> <li>4-Digit LED 0.56" TM1637 display</li> <li>KY-040 rotary encoder</li> <li>Arduino board: pro micro, and probably others small enough to fit inside</li> <li>LM1117 Low-Dropout Linear Regulator module 5V</li> <li>5.5mm x 2.5mm DC Female Chassis Power Socket</li> <li>12V 2.5A DC Power Supply AC Adapter with 2.5 x 5.5mm Center (+) Positive Plug (for cameras, routers, household electronics..)</li> <li>KCD1-104 4-PIN rocker switch 21x15mm</li> <li>A4988 Stepper Motor Driver</li> <li>Electrolytic capacitor 1000uF/25V</li> <li>Stepper motor NEMA 17HS4023</li> <li>Shock Absorber Dampener for Stepper Motor - 42mm</li> <li>Joy!Crafts Hook & Loop fasteners round 15mm - 60pc</li> <li>10x M3 screws</li> </ul>
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