Questions tagged [dc-motor]

DC motors are commonly used in robotics and vehicles. They come in brushed and brushless versions; the latter also includes stepper motors. Note they are distinct from servos, for which there is a separate tag.

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rPi2 model B v1.1 smoke comes out near power port

I am trying to control 2 motors using the E-gizmo Motor driver shield but suddenly smoke comes out near the power port of the raspberry pi 2 so I immediately unplugged the power supply. After that, I ...
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2answers
832 views

L298N Not working with 4 x AA Batteries

I have a 6V motor attached to a HiLetgo Module L298N Dual H Bridge and controlled via two Raspberry Pi 3B GPIO pins (current just using HIGH & LOW). If I use a 5V power supply from my Raspberry ...
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3answers
1k views

Motor running slow using PWM

I'm new to PWM. This is my motor and controller. When I have the jumper in (ENA pins: I assume this gives the PWM pin the full 5V, as that is what the controller board runs on). My 6V 47 RPM motor ...
3
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1answer
458 views

Controlling 28byj48 bipolar convert with l293d ic

So I'm having issues with controlling the motor with this ic. I have got it to work when it was unipolar with the uln2003. I slit the red wire so there are only 4,two windings. Measured ohms across ...
3
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1answer
304 views

Controlling a High Power 13V DC Motor with in-built Hall Effect sensor

I am a beginner with electronics and RPi. I have a Brushed DC Motor that runs at a constant 13V and draws about 4-5 A while running and about 18-20 A at stall. It also has a single Hall effect sensor ...
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2answers
519 views

Why can I drive a motor from the 3.3V pin but not a GPIO?

I have a peristaltic pump which is rated 6V, 30mA that, when plugged into the 3.3V GPIO (& ground of course), runs smoothly. When I code a GPIO to drive the same motor it doesn't move. I measure ...
2
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2answers
114 views

Driving 2 12v - 30A brushed DC motors with Raspberry Pi 3

For a robotic project we are building a security robot. As a base we bought one of those electric cars for 2 kids, where they can drive in themselves without a remote. We took it apart, and we now ...
2
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1answer
121 views

Rpi python GPIO PWM control L298 and PCA9685 motor HAT

I need to find out which GPIO pin on the raspberry pi will be connected to which module when I fit the Adeept Motor Hat v2.0 on the 40 GPIO pins. I am attaching the image and the schematic of the ...
2
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1answer
199 views

L298N not working anymore

This is an image of how I had it routed up, it was working just fine until I attempted to add a rocker switch. I used the 2 pin on/off rocker switch that came with my smart car kit (https://www.ebay....
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0answers
35 views

Can powering a DC motor through the USB ports of my Raspberry Pi Damage the Pi?

I'm working on a project that contains two DC motors and a Raspberry Pi, I do not have other components like Relay, Motor Drivers, transistors etc. I am aware that powering a motor directly from an ...
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1answer
145 views

part incompatibilities

I am trying to control a 4.5V motor with a pi. I am going to use this to control the motor: https://www.ebay.com/itm/2X-L298N-Dual-H-Bridge-DC-Stepper-Motor-Driver-Controller-Board-Arduino/...
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2answers
457 views

Raspberry Pi Error: AttributeError: module 'l293d.driver' has no attribute to 'motor'

So, I am trying to use my RPi model 2B to control a DC motor with an l293d controller. I have moved onto the python3 script and imported the 'l293d' module. Here is my code... import l293d.driver ...
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3answers
70 views

Can I reliably control four ESC with a servo driver board?

Im currently looking into building a quadcopter from scratch. The Raspberry Pi only has two PWM pins though, which isn't enough. And software PWM isn't great either, because you can't control a motor ...
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2answers
467 views

Why does my raspberry pi zero w crashes when controlling a DC motor with an L9232D and a 9g Servo motor?

I use this simple circuit to control a DC motor with an L293D, and a 9g servo motor with a Raspberry PI Zero W: I use the simple following code to test the circuit: from time import sleep import RPi....
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1answer
99 views

Is it safe to use 3V3 on raspberry pi 3B+ to control a 3V DC motor?

I want to connect power to a 3V DC motor straight from 3v3 GPIO. Is it safe or will I brick my Pi 3B+ ?
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3answers
80 views

How can I prevent motor drivers back powering my Raspberry Pi

I have a Raspberry Pi 4B controlling an L298N module. I also have 2 cell batteries powering both. The cell batteries power the Pi through the 40 pin connector. The motor driver is powered by the cell ...
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1answer
67 views

Robot arm using “Solenoid”

I'm looking to create some kind of "pianoplaying" Pi robot. I started to look into ways to create some kind of "arm" that can make a lateral movement and came across solenoids.I'm looking to create ...
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1answer
592 views

Rpi GPIO Interface L298N DC Motor Driver Troubleshooting Problem

I have used the raspberry pi for almost 5 months now, so I could say I am new. Everything was fine at the start but when I built a car my motors will not spin. I am using DC motors (approximately 9V)...
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1answer
114 views

Raspberry Pi controlling motors?

Disclaimer: Im still new to the Pi and world of electronics, and google is giving me mixed results Im going to be attempting to build a robot with the raspberry pi. The question is how is the pi at ...
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2answers
144 views

Turning motor on and off from webserver

I have Apache server running on my pi. I send a httprequest from my Java app to the server to turn the motor on and off by executing a pyhton script. PHP code on the server: <?php if(isset($_POST[...
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1answer
3k views

Motor shield vs Motor driver

I'm building a simple robot and have a L298N motor drive board to sit between the Pi's 3.3v GPIO, the 5v battery pack and the motors. However I frequently see "motor shields" popping up. What is the ...
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1answer
33 views

Using a motor driver such as the L298N with only one GPIO pin

I am currently working on a project that requires many different motors to be powered by a raspberrypi. Common drivers like the L298N use two gpio pins to drive a single motor in a direction, the ...
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1answer
55 views

Running pump & servo - Relay needed?

simulate this circuit – Schematic created using CircuitLab So I am working on a project that will require both a servo motor plus a small water pump. Both run on 3.7 -6v and I am going to use ...
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1answer
28 views

Robot Buggy Not Moving Once Set On Surface

I am using the standard tools and setup to make a Raspberry Pi robot buggy: 2 Miniature Brushless DC Motor 3 to 6V 2 Wheels Raspberry Pi L298N Motor Driver( with its battery pack connected) I have ...
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1answer
35 views

How to calculate the battery usage of raspberry pi with 2 motor drives

We have a raspberry pi 4 with 2 12v motor drive L298, 5 ultrasonic sensors, and raspberry pi camera but we need to know how to calculate the battery usage of all these chips, could anyone help with ...
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1answer
80 views

What is the frequency and cycle length of the pigpio library?

I've got a raspi 3b with an esc and a brushless motor attached. I can run the motor using pigpio the following commands: # First start the pigpio daemon sudo pigpiod # calibrate the esc pigs s 12 ...
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2answers
173 views

Raspberrypi unable to read 2000 PPR encoder

I am using a DC motor attached with a 2000 PPR incremental encoder. I am using RPI to count the number of ticks, my code works fine but I am not able to calculate all the 2000 ticks. Any help would be ...
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2answers
522 views

Raspberry Pi DC Motor Not Working

So, I am attempting to control a DC motor using a RPi Model 2B. I am using a l293d motor driver to try to control the motor and a 4 AA battery holder. The diagram is supposed to look like this ...
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1answer
492 views

Updated info/software/advice on using Raspberry Pi to control stepper motor drivers

It's been almost a year since the last posting in here covering this topic - are there any newer examples or libraries that you (Joan or anyone) know of that do the acceleration ramp, constant run-...
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1answer
60 views

digital pot motor control

I a using a MOT-B24400 motor which has a built in controller and only needs an external 5k pot to control the speed, plus power of course. I have this wired to a relay with a button to send a signal ...
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2answers
1k views

Simultaneous servo control on RPi 3?

I am building a project wherein I'll be controlling four servos using the Raspberry Pi 3. I wanted to control each pair of servos simultaneously (as in, when one servo is moving to a specified angle, ...
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1answer
662 views

Raspberry Pi_SaberTooth 2X12 and simple serial

I'm trying to control a SaberTooth 2x12 connected to my Pi3. Based my Google research it seemed the best method was Simple Serial. I configured the Pi for Serial in raspi-config. Set the dip switches ...
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1answer
1k views

Stepper motor troubles

I've been trying to setup my stepper motor with my RPI according to this guide: http://www.raspberrypi-spy.co.uk/2012/07/stepper-motor-control-in-python/ However, nothing seems to be happening, have ...
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0answers
36 views

pigpio: Read PWM from RCcontroller then send to ESC via GPIO

Im trying to learn Python by combining my interest in designing an AWD radio controlled car (3D printed, Im decent with Fusion 360 too) with some smarts from Pi/Python to allow things like software ...
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1answer
467 views

Rpi GPIOzero L298N DC Motor Driver Problem

I built a buggy: https://projects.raspberrypi.org/en/projects/build-a-buggy/2 it seems like it works correctly, except the motor doesn't stop even when I run robby.stop() is there some other command ...
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0answers
58 views

Raspberry pi robot wheels not moving

I need some help with a Raspberry Pi robot I am attempting to put together. I'm using an L298N h-bridge to manage both DC motor wheels. I have a simple python script on the Pi which should simply ...
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2answers
264 views

Single power supply to RP3 and Adafruit Motor Hat

I have a project that includes a RP3 and an Adafruit motor hat (https://www.adafruit.com/product/2348), with 2 5v stepper motors (https://www.adafruit.com/product/858). In the guide they state the ...
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1answer
2k views

Problem with ESC, brushless motor and Raspberry Pi

I have connected an ESC (an electronic speed control) with a battery and a brushless motor. The Raspberry is connected to the ESC to control it. I know - when I turn on the program that is on the ...
0
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1answer
385 views

Rpi python using L298 motor driver and PCA9685 servo controller to change speed and diretion of robot car

I am unable to understand the code provided with the raspberry pi robo kit I got. I need help in understanding the code as I am new to raspberry. Thanks! #!/usr/bin/python3 # File name : ...
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2answers
408 views

Tinkering with environment variables

i want to run my pi headless, and only wire up some switches via gpio to operate it. i want it to monitor 3 switches, and tell if theyre high or low, and react accordingly. it should be launched every ...
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2answers
912 views

Powering Motor with Raspberry pi and h-bridge

I am trying to control a 3-6 volt motor with a raspberry pi and h-bridge. I have a separate power source for my pi and my motors. I have tried a 6v, 9v, and 12v power source. However, the motor ...
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2answers
192 views

Raspberry PI Relay power motor [closed]

Does anyone happen to have a similar example for a python code when pressing a button a relay is turned on which is powering a motor to open a gate for 5 seconds and then closes by giving a signal to ...
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3answers
1k views

Button Press Controls [closed]

I'm trying to write a robot drive python script. There are two variations of this code. To go when the button is pressed, and stop when the button is unpresed. To go when the button is pressed, and ...
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2answers
51 views

How can I connect Raspberry Pi to L293D motor driver shield?

I am new to Raspberry Pi and I'm trying to connect my Raspberry Pi 4 to an L293D motor driver shield. I have scourged the internet for circuit diagrams but I have only found either L293D IC or L298N ...
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1answer
40 views

Issues with Throttle Control on ESC with RPi 3B+

I am using the 30A BLDC ESC to control a brushless motor from my Raspberry Pi 3 B+. The documentation for the ESC can be found here: ESC pdf I seem to have successfully calibrated the ESC, but after ...
0
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1answer
379 views

Rpi python GPIO PWM control L298N motor direction and speed problem

I am unable to understand parts of the code #!/usr/bin/python3 # File name : motor.py # Description : Control Motors # Website : www.adeept.com # E-mail : support@adeept.com # Author ...
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1answer
45 views

How to connect components of an RC (and rPi) car to the battery safely?

I am building an RC car from scratch. I have a 6v motor with an appropriate mdb, a 5v hobby servo, a raspberry pi zero w, and an 2200mAh 11.1v 50 C battery. I will upgrade the motor to a higher ...
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3answers
132 views

How Can A L298N DC Motor Controller Module Fry My Rpi?

I have a fried Pie :( I used a 12 V power supply to this setup. Can you tell me what I did wrong. Here is my sample code in python: IN1- gpio18 / IN2 - gpio27 / EN - gpio5 GPIO.setmode(GPIO.BCM) ...
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1answer
198 views

How to control Arduino Uno using Raspberry Pi after image processing is done?

I am working on a project which is basically a robot car to collect garbage after the image in front of it is determined as Garbage (image processing using Raspberry Pi). I want my car movements to be ...
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2answers
225 views

How best to power a motor hat asking for 6-12V for just two DC motors

I purchased a Waveshare Motor Hat because it has the nice Pi Zero size, extra long headers, and already has headers and blocks soldered, all for less than $13. https://www.waveshare.com/motor-driver-...