MotorCell

Discover our new MotorCell – a tiny, thin, high-speed PCB motor with an onboard sensorless controller. This provides direct speed feedback, eliminating the need for extra sensors. The MotorCell can be powered directly or controlled via PWM for precise speed control.

This compact motor can spin up to 30,000 RPM at no-load, making it perfect for high-speed, low-torque applications like fans, robotics, DIY crafts, and art projects.

€12,50 – Sold Out

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Type

swatch-motor-with-unsoldered-pins

Motor with Unsoldered Pins

swatch-motor-with-soldered-pins

Motor with Soldered Pins

swatch-rotor-parts-use-with-your-custom-pcb

Rotor Parts (Use with Your Custom PCB)

Key Features

Flat Pencake Motor
Aluminum rotor is only 3.3mm thin! With iron, magnets, and ceramic ball bearings inside, rated to spin up to 30,000RPM

Integrated Control
No extra module/sensors needed! Connect it to a microcontroller to read the speed

Press to Connect
The shaftless design keeps things thin ~ just press your part into the rotor's teeth to keep it secure

Start with Examples

Make it smarter by installing the MotorCell Arduino Library!

You can download the MotorCell Library from GitHub or through the Arduino Library Manager. It includes examples for all Arduino-compatible devices, but note that Speed PID control is computationally intensive and is only supported on CodeCell and other ESP32 devices. This software also features automatic stall detection and will attempt to restart the motor instantly if a stall occurs.

Download Library

Things You Can Build

Stirrer

Vibrational Rotating Mass

Fan

Art

Specifications

Mechanical:

Poles: 4 Magnetic, 6 Slot Windings
Ball Bearings: Ceramic Hybrid
Rotor Diameter: 16.4mm
Total Thickness: 7.5mm (Rotor 3.3mm Thick)
Weight: 3.5 grams
Connector Pitch: 2.54mm
Screws: M1.2

Electrical:

Operating Voltage: 2.5V to 5V
Power Maximum: 1.3W
Normal Operating Temperature: 50°C
Sensor Resolution : 1 kRPM
No-Load Speed : +30 kRPM

3D model

Notes:

Caution: This motor operates at high speeds. Keep hands away from moving parts to prevent injury.
The MotorCell uses the BD67173NUX chip as its three-phase sensorless controller. It features sensorless drive which doesn’t require a
hall device as a location detection sensor and is controlled by a variable speed provided through the PWM input signal. Check out its datasheet to learn more.
Do not unbolt the shaft to disassemble the motor ~ it has small machined parts that can be easily lost.
The MotorCell's IN pin is by default pulled low. Pull the pin high (2.5-5V) will turn-on the motor to full speed. A PWM signal can control the motor's speed by varying its duty cycle.
The MotorCell Software Library by default enables a pull-up resistor on the OUT pin to read the speed value. When using your custom software, make sure the internal pull-up is still active or connect an external one.
If the Motor is forced to stopped, it will enter a 5-seconds Lock Protection - turning off its output. These 5-seconds can be avoided by reseting the PWM-Input to 0% and back on. This is being automatic detected and performed in our MotorCell Software Library Spin function.
The motor's speed will drop as the applied weight/load increases.
To install press-fit 3d printed parts we recommended an inner diameter of 16.4mm - 16.6mm, which depends on your 3D-Printer tolerance. Once printed, just press your part into the rotor's teeth to keep it secure. Superglue can also be added to the rotor's teeth, to secure the part.
When soldering wires or connectors to the PCB, be cautious as the soldering iron may be drawn towards the motor's magnets.
The PCB is ROHS Compliant & follows IPC-A-600 II standard.
The box will include the MotorCell, an optional 5-pin connector and a set of four M1.2 screws.
Please note that the MotorCell is intended to be used as a DIY maker kit. For commercial purposes, please get in touch.

Contact

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MotorCell

Key Features

Start with Examples

Things You Can Build

Specifications

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