Re: [DIYbio] open source syringe pump

On 09/24/2014 04:33 PM, Nathan McCorkle wrote:
> On Wed, Sep 24, 2014 at 10:43 AM, John Griessen <john@industromatic.com> wrote:
>> Meanwhile find a stepper with small light form, add a gear on its shaft,
>
> These are probably too small for most folks' needs:
> http://www.aliexpress.com/item/Treatment-2-phase-4-wire-stepper-motor-micro-screw-stepper-motor-stepper-motor-slide-slide/1111641517.html
>

Here's the type I was thinking of to drive a plastic rack (syringe handle pusher/puller):

http://www.aliexpress.com/item/20mm-2-phase-4-phase-hybrid-stepper-motor-6-wire-stepper-motor-micro-mini/1111628662.html


50 cents each in tens....and has a gear on it already!

A custom version might be available for that price in hundreds...

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