Questions tagged [vibration-motor]

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Do vibration motors vibrate in both directions at equal magnitude?

I'm using two vibration motors for my robot and to have it move forward, I have to solder the leads of the motor in the way shown in the picture. Previously when I soldered the leads of both motors ...
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1answer
41 views

Should I be concerned about reverse current?

I have incorporated a reference design from this page on discrete driver circuits for vibration motors for the high-side configuration. Here is the picture of the circuit: I'm concerned about the ...
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1answer
71 views

What are the reasons to use an LRA vs ERM for vibrations?

What are reasons to consider when choosing between linear resonant actuators (LRA) and eccentric rotating masses (ERM)? I'm sketching on a remote-controlled vibrator sex toy with variable frequency, ...
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2answers
109 views

Is it possible to generate different PWM Signals for same duty cycles(e.g. 50%)?

Let us expect we have a duty cycle of 50%. Is it possible to reach that duty cycle with different PWM Signals (waveform)? With different I mean variants in the number and lengths of the "active time". ...
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1answer
52 views

What are the implications on vibration measurement from decreasing Pulse-Width Modulation (PWM) frequency of a 9V electric motor?

What is the effect of a PWM (or other duty-cycle variation method) frequency change on the vibration of an electrical motor (9V, DC)? I plan to measure the (surface-) vibration with acceleration ...
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3answers
279 views

What DIY Function Generator is Suitable to drive a Pasco WA-9857 String Vibrator?

Preface... total amateur. I picked up 8 Pasco WA-9857 String Vibrators off of eBay for an art project. I need some way of driving them individually.... cheaply. So I bought a $12 XR2206 Function ...
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2answers
114 views

What is a simple method for measuring the physical vibration of a step motor (to STM32) in order to take it to a minimum?

For a university project we installed a motor that is controlled from a STM32F407G-discovery board through a step motor drive, we experimented with the number of Microsteps options in the drive, and ...
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1answer
443 views

Can I use 3v CR2032 to power multiple vibration motors?

I am planning to use a 3v Arduino pro mini with 2 coin cells (3v CR2032 each). I also need to connect 6 flat vibration motors in series rated as follows:- Rated Voltage: 3v, Rated Current: 70mA Can ...
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1answer
536 views

Controlling Frequency of a Vibration Motor with Battery Voltage Output

I am looking to operate a Vibration motor at a sustained frequency (40Hz) Please see data sheet as below with an example of a motor. I understand that the best way to do this is to control the output ...
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2answers
290 views

Building a 20x20 matrix with vibrator motor coins

I am currently doing a project that requires a 20x20 matrix with coin type vibrator motors. I am not sure how to pull this off. What is the best way of driving all the motors all together? Provided ...
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2answers
2k views

How to generate 5- 20 Hz mechanical vibrations?

My project deals with simulating a fixed frequency tremor and process it. The required tremor range is 5-20Hz. I have been trying to generate this vibration motion with a vibration motor, but all i ...
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1answer
2k views

Frequency control of vibrator motor

I wish to generate a controllable frequency vibration on a device. The vibration frequency then has to be measured and filtered. For this purpose, I am using a vibrator motor as shown. Now, i wish ...
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1answer
437 views

How to calculate the right motor size for a soil sifter [closed]

How would one calculate the proper size of an electric motor to properly drive a soil sifter? Assumptions: Screen: flat, 18"x24", 1/4" to 3/4" wire cloth (interchangeable screens), total weight (...
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2answers
117 views

Can I, Bi-Directional Level Shifter as Motor(3V) controller with Arduino Lilypad (3.3V)?

Basically this could be easily done by using a BJT NPN, but since I want to control two motors(3 V, 45-60mA) and 5 LEDs was thinking of using a Bi directional level shifter instead of using ...
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1answer
1k views

Connect a vibration motor to a headphone jack

I would like to solve the following problem: I have a a variometer-device for an RC plane. Its receiver has a standard 3.5 mm headphone jack that provides a beeping sounds to my headphones. I would ...
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1answer
663 views

can I drive 100 or so LRAs with WS2811 controlling DRV2603?

I would like to make a suit with 100 or more individually controllable Linear Resonant Actuators. Texas Instruments makes this http://www.ti.com/lit/ds/symlink/drv2603.pdf which take a PWM as an input ...
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1answer
199 views

Using a digital signal to turn on and off a vibrating motor

I'm designing a circuit with the IOIO-OTG board and a vibrating motor. The idea would be to have a digital pin on the IOIO board control the state of the motor (either ON or OFF). The motor operates ...
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2answers
321 views

simple motor driver wouldn't work

I am using ATMega164PA as the microcontroller running at 8MHz on 3V coin battery (current battery voltage 2.5V). I am trying to turn on tiny coin vibration motor rated 3V, 90mA using ZXMN10A07FTA N-...
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1answer
109 views

Coin vibration motor terminal question

I am using a 3V coin vibration motor and using a 3V coin battery. Red wire of the motor connects to 3V and the black/blue wire connects to GND. What happens if the terminals are connected incorrectly ...