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  1. Grove Ecosystem
  2. Grove Modules
  3. Actuators

Grove Mini Fan

PreviousGrove LED Matrix Driver v1.0NextGrove Mini I2C Motor Driver v1.0

Last updated 5 years ago

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The Grove - Mini Fan module is a DC motor driver based on the AVR Atmega168 microcontroller. The module also provides a breakout through which you can change the microcontroller code. For example, the code can be changed so that the module can be used to drive a . By default, the module is set up to run the DC motor that is included in your mixer pack. The soft-leaved fan also included in the pack can be attached to the motor to make a fun project with kids. Being soft-leaved, the fan is completely safe and there is no chance of any injury even if it is moving at a high speed.

Features

  • User friendly output module that triggers a DC motor into operation based on signal received from an input sensor or switching module

  • Used in conjunction with DC motor included with the pack

  • JST 2.0 Interface used to connect to the motor

  • DC motor comes with a colorful soft-leaved fan accessory (as shown in the picture)

  • On-board micro-controller can be re-programmed to change module operation

  • Change code to drive Servo motors instead of DC motors

  • Note:for latest version(v1.1), the output voltage for motor is updated to 3.3 volts.

Interface Function

① UartSBee Interface: Use this interface to change the microcontroller code. Use a [UartSBee](/UartSBee_V4) module to connect to the microcontroller using the Uart interface.② JST 2.0 Interface: Used to connect to a 3.3 volts DC motor(only 3.3 volts)③ Grove Interface④ ICSP Interface⑤ Atmega168 Microcontroller⑥ Servo Interface

Usage

Follow these steps to build a sample circuit using this module:

1.First connect the DC motor to the Grove - Mini Fan module using the JST2.0 two-wire interface.

3.Power up the circuit.

4.The DC motor starts to rotate when the input module supplies a trigger:

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For building a circuit that controls a servomotor using a potentiometer, follow the steps below:

  1. Open the code directly to the path: \libraries\Servo\examples\Knob

  2. Upload your code to the on-board MCU. Ensure that you select the correct board type and COM port when uploading.

  3. Now you should be able to control your servomotor with a potentiometer

Availability

Resources

Micro-controller runs Compatible code

Uses Standard 4-pin to connect to other modules

2.Connect the Mini Fan module to the output side of your circuit (to the right of the power module). On the input side of the circuit, you may use a range of sensor based input modules (, , or ).

If using with a momentary switch like the one on the module, simply press the button to turn ON the motor.

If using with a , move the slider from the GND position to VCC and see the speed of the motor increase as the supplied voltage increases. Attach the soft-leaved fan and you have a variable speed personal fan that you can run at whichever speed you desire to fight the heat!

If using with a connected directly to the input side of the circuit, you should see that the motor runs in bright light and stops in the dark:

If you want the motor to run only in the dark, add a module between the light sensor and the power module.

If using with a , you should see that the motor runs on detecting sound. Again, if you want to reverse the function, or in other words, if you want that the motor should be ON at all times except when there is a sound, add a module between the sound sensor and the power module.

You can use either the module or the module for the Grove circuit.

This module is available as part of the following :

Alternatively, it can be bought stand-alone at the .

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Grove - Sound Sensor
Grove - Button
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Grove - Button
Grove - Slide Potentiometer
Grove - Light Sensor
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Grove - Sound Sensor
Grove - NOT
Grove - USB Power
Grove - DC Jack Power
Grove
Grove Kit Series
Grove Mixer Pack V2
Seeed Studio Bazaar
Grove - Mini Fan v1.0 (Eagle Files)
Grove - Mini Fan v1.0 (pdf)
servomotor