E-juice mixer(Electronic cigarette) for Vapers
thingiverse
I wanted a versatile e-liquid mixer for my mods. I consume a lot of juice per week, so I usually mix them in 100ml bottles. Unfortunately, aging takes too long. There are two options to speed it up: heating it to high temperatures or mixing it. I couldn't find any usable mixer here, so I created my own. I didn't want one with a servo motor, as they're very loud (lots of Chinese gears...). I used an Arduino Pro Mini clone from Ali (less than 2 Euros), A4988 stepper driver, 4k7 potentiometer, and 12V power supply. I won't post the connections here, as everyone can find how to connect it and stepper potentiometer sketch on the Internet. I didn't want it complicated, so only a few screws are needed: 2x M4 nut and screw for bottle stopper block, 4x M3x12 screw and washers for motor fixing, 2x M3x8 for securing bottle holder on motor axle (not really needed as it's a tight fit), some 2.5x10 wood screws for attaching velcro holders and bottom cover, 4x 2.5x25 wood screws to avoid misalignment of TPU stopper (avoid rotation), 1x Arduino Pro Mini or Nano, 1x A4988 driver (if possible, replace it with TMC2208 for quiet operation), 1x 4k7 potentiometer with knob, 1x DC barrel jack for panel mount (depending on your power supply), 1x 12V power supply (500mA is enough), and 1x NEMA 17 stepper motor (I used the smallest one I had at home, Microcon SX17-1003LQCEF). Installation is straightforward, so after testing motor functionality, assembly can be done within 20 minutes. I also created some logos to be superglued to the case after assembly, so it looks more attractive: SMOK, Tesla Cigs, Eleaf, Wismec. It fits bottles from 10 to 100ml (stoppers are adjustable). Printed from ABS, holes for motor axle tapered by M3.
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