These are the popular 28YBJ-48 geared stepper motors with driver board.
The motor and driver are suitable for 5V operation.
- 4 Phase
- Current : 160 mA per winding (320 mA in 4-step mode) Measured: 250mA stopped, 200 mA running fast
- Resistance : 31 Ω per coil winding (from Red wire to any coil) (Some 24-28 ohms)
- Voltage : 5V DC
- Step Angle (8-Step sequence: Internal Motor alone): 5.625° (64 steps per revolution)
- Step Angle (4-Step sequence: Internal Motor alone): 11.25° (32 steps per revolution)
- Gear Reduction ratio: 1 / 64 (Not really exact: probably 63.68395.:1 )
- SO: it takes (64*64 = 4096 steps per output shaft revolution.. In 8-step sequence.
- SO: it takes (32*64 = 2048 steps per output shaft revolution.. In 4-step sequence.
- NOTE: Arduino "Stepper Library" runs in 4-step mode
- No-Load Pull-Out Frequency : 800pps
- No-Load Pull-In Frequency : 500pps
- Pull-In Torque : ≥ 78.4mN.m
- Wiring Instruction : A (Blue), B (Pink), C (Yellow), D (Orange), E (Red, Mid-Point)
- Weight : 30g
Specs and User Guide: https://arduino-info.wikispaces.com/SmallSteppers
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We ship via Australia Post eParcel from our Sydney warehouse.
Australia Post picks up from us daily.
Asll shipping methods we use have tracking.
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All our products ship from our warehouse in Sydney, Australia.
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We accept all major credit cards, Apple Pay, Google Pay and PayPal.
We also accept purchase orders from educational and government institutions on 30-day terms.
You're automatically approved if you're a school, university, or state or federal government department or agency.
What is your return, exchange and warranty policy?
Returns
We accept returns for faulty products, but will first work with you to help get your Raspberry Pi working again.
99% of the time there it is not the Raspberry Pi that is faulty.
If you need help, reach out to us on help@littlebird.com.au.
Change of Mind
We are happy to accept a return for a "change of mind", however, you will need to cover the cost of any merchant fees associated with the return. Goods need to be in an "as new" state.
What's the warranty on your Raspberry Pis?
You can have peace of mind knowing that Raspberry Pi is backed by a 1-year warranty, and thanks to rigorous quality assurance testing in the UK factory, you can be sure that your Raspberry Pi will stay in good working condition.
How long does shipping and delivery take?
At our Sydney, Australia warehouse, we provide fast and reliable shipping. To go even further, we have created our own Raspberry Pi powered Robot called Bishop.
How long does delivery take?
Australia Post picks up from us daily. If you're within the Australia Post next day network you can usually expect your order to arrive the next day if ordered with Express Post before 2pm.
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If you haven't received a tracking link, please email us on help@littlebird.com.au .
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