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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41 views

L298N motor driver either keeps running or slows down the motor with RPi3

So, according to this video which I had followed, my motors should be constantly running as per the program and should stop running after the program is executed. Instead, when I first ran the script, ...
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124 views

How can Rpi3B+ use the A4988 stepper motor driver to control a NEMA17 motor?

I am very new to the world of raspberrypi and I am probably making some beginner mistakes. I am trying to move a NEMA17 motor (stepper motor) using a Raspberry Pi 3B+ and a4988 driver. First I set the ...
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2answers
426 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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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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UART communication between Rhino DC servo motor and RPi4 B

I want to communicate with this Rhino DC servo motor with RPi4 B. I enable uart3 in RPi4 by modifying the /boot/config.txt file. In this file, I add dtoverlay=uart3 in the last. When I used ls /dev/...
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2answers
92 views

Rpi python DRV8833 motor driver setting up and troubleshooting DC motor driving problem

So what I am trying to do is to get the motor to spin but I want to raspberry pi between the motor so I can spin it clockwise for 5 seconds and then spin it anti-clockwise for 5 seconds. But initially,...
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0answers
39 views

Why doesn't raspberry pi 4 pins switch on? [duplicate]

I am using a raspberry pi 4(OS : Raspbian) , I am attempting to power a dc motor from a RC car. My initial test was to see if it was possible to start the motor with the Pi in which I used the 5v/3v3 ...
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1answer
51 views

Using Motor Encoders with Raspberry Pi

I am trying to read a quadrature motor encoder with the Raspberry Pi. After attempting to write the code in Python, I came to the conclusion that Python was too slow (which was expected). I tried to ...
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1answer
24 views

brushless dc motor connection

i am connecting 2 brushless dc motors to a raspberry pi B and need help on connecting the correct pins . I saw a video on how to connect one motor but don’t know which ones to use to connect the ...
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1answer
38 views

How to supply multiple servo motor and dc motor while using gsm module?

I've started rc plane but with internet connection instead of regular radio. My plan is using Ai-thinker A6 gsm module so I can use it as live stream camera and control servo together with blynk. ...
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1answer
176 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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1answer
121 views

Delay/Lag when controlling motors with arduino from raspberry pi

I'm making a car-type-thingy where I control motors connected to an arduino with a raspberry pi via serial communication. I'm using the adafruit motor shield to control the motors. I want to control ...
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2answers
1k 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
1k views

Raspberry Pi 3: DC motor power supply problem

I'm newbie in electronics. I'm joining RPi's world through a starter learning kit but there's a wiring incongruity in DC Motor lesson: In the 1st image there's only RPi's 3.3V power. In the 2nd image ...
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1answer
921 views

How to control unipolar/bipolar stepper/stepping motors such as 28BYJ48 using motor drivers such as L293D

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 ...
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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 ...
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1answer
3k views

ESC Control with RPi GPIO Pins

Ok so, I’m going to be using a pi zero and an esc to control a brushless motor based on a Bluetooth controller input. Basically, I want to know how via python I can control the esc. I heard using gpio ...
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1answer
355 views

Why don't my motors rotate?

I know I asked this question before, but this time I will give a more clearer description. I have been using the raspberry pi for approximately 6 months now. I am making a very simple robot car that ...
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2answers
185 views

5V Relay only works if VCC is 3.3V

I am very new to all of this, so please excuse if this is a very basic question. I am trying to power a tiny water pump with my raspberry pi. For that I need the 3.3V or 5V output, because the GPIO ...
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1answer
45 views

Is it possible to move a stepper motor to a specific angle?

For Example: move.stepper(90°) #stepper now points to the east time.sleep(1) move.stepper(180°) #stepper now points to the south time.sleep(1) move.stepper(263°) #stepper now pointing to 263° I ...
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3answers
28 views

Avoiding voltage drops when simultaneously using multiple DRV8833 motor drivers

I am using three DRV8833 motor drivers. The power supply is currently a usb cable with the ground and power connected to a breadboard with the three motor drivers attached to them. When powering all ...
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1answer
95 views

What will happen if I put my ESC's BEC black wire to ground and yellow/white wire to 5v pin directly

I wanted to do some experiment with raspi, ESC and BLDC motor. I am able to run my motor using servo tester. But I was curious what will happen if I connect ESC's BEC to Raspi's GND and 5v output ...
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1answer
33 views

Raspberry Pi Model B Current Overdraw from 3.3V Pin

I am using RPi3 ModelB V1.2 for a motor control project. I am connecting Pin1 (3.3V) for power to a micro dc motor. The current drawn by the motor is approx ~70 mA whereas the RPi sources mention that ...
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3answers
2k views

Incorrect Encoder tick counts using Raspberry Pi

Hi I have a DC motor with encoder which has a PPR count of 990 (No load RPM = 107). However, I tried to read the number of ticks (on a Raspberry Pi 3B) by rotating the wheel 1 turn and I get a PPR ...
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0answers
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Motor controller for Raspberry Pi 3 has no effect on attached motors. (Drok XY-160D Board) [duplicate]

I believe this code is correct. I am working connected to the Pi through SSH and tried running it through the Mu shell. Motor controller is hooked up to a 12V power supply. If it helps, I noticed the ...
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1answer
70 views

Raspberry Pi connected to Motor Controller- Getting error in code

*Hi, I am getting this code error: *blink.py:25: RuntimeWarning: This channel is already in use, continuing anyway. Use GPIO.setwarnings(False) to disable warnings.* GPIO.setup(ENA1,GPIO.OUT) ...
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0answers
61 views

Mechanics required for a stepper motor [closed]

I am making an elevator controlled by a raspberry pi zero and driven by a stepper motor. I have managed to get the engine working using a python script and an MPC28017 pin expander (i2c protocol). ...
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0answers
59 views

making a DC motor spin both ways

I week ago, I got my raspberry pi, connected it to a DC motor, and made the DC motor spin using python. now, I'm trying to get the motor spinning both ways. I have tried but failed. What is the best ...
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51 views

regulating the speed of a motor connected to a TB-6612 FNG motor driver using the pwm output generated by the pca9685 multichannel servodriver

I understand that this type of usage is not typical for the pca9685. I am trying to use one of the pwm pins of the pca9685 to regulate the speed of a motor. As for now the motor works regularly if ...
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0answers
60 views

Connect 5V DC fans to a Raspberry Pi 4

I wish to connect four 5V DC fans (each one current is ~0.1-0.15A) to a Raspberry Pi 4. As I can not add another power supply (PSU) beside the one of the raspberry Pi 4, I was thinking to connect them ...
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1answer
40 views

RPi drives motors on L298n for a few seconds and then stops

I am trying to make a Robotic Car using 4 motors and L298n for a motor driver. The motor specifications as listed on the purchase site are given below: Operating Voltage: 3V~6V DC Gear Ratio 1:48 No-...
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4answers
1k views

Coding a GUI in python and driving stepper motor by user input

I am hoping to use my Raspberry Pi 3 in a senior project for my mechancical engineering program. I want to use the pi to drive a vice like fixture to predetermined positions by connecting a stepper ...
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2answers
144 views

How to detect an electric current in a secondary circuit (12v)?

I want to detect if there is an electric current in the wire where I wrote "here > > > > > >" (on the image) The secondary circuit is a 12v circuit. How can I do this ? ...
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0answers
28 views

How do i properly daisy chain two motor drivers that both provide power to the Pi zero-w? [closed]

I am using two waveshare dual motor drivers to drive a total of 3 motors with room for another one. The HATs can be placed on top of each other as they have adjustable i2c addresses. I am planning on ...
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2answers
420 views

Is it ok to power L298N 5V from Raspberry Pi 4 5V GPIO? (or use 6V for L298N power supply?)

Disclaimer: I am a very beginner in electronics and experiencing it's first steps into Raspberry Pi and its functionalities. So, please forgive me any rookie mistakes and correct me if I have any ...
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1answer
46 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
295 views

Raspberry Pi & Motor Control [closed]

I am looking to use raspberry pi to control a motor that has multiple speeds but want all speed and timing to be controlled on the pi. Would the proper setup be a breadboard with a servo motor ...
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0answers
39 views

Using DC motors on a PI

first question here. Ive looked through some of the otehr answers Project - a two axis solar tracker that calculates the position of the sun and drives two actuators. I started with a PCduino and ...
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3answers
195 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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2answers
295 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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0answers
38 views

Raspberry Pi3 - Controlling 4 DC motors

I need to feed 4 DC motors of 5V on my Raspberry Pi 3 Model B using PWM (Pulse Width Modulation). Currently, I have the next components: 2 NPM transistors, 1 L293D integrated circuit, resistors (220 ...
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0answers
324 views

How to disable output to serial (GPIO) during boot

I'm trying to drive a motor control over the Raspberry Pi's GPIO serial pins (GPIO 14 and 15) I've disabled the serial console, however, during bootup of the Raspberry PI, it still sends data over ...
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1answer
84 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 ...
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0answers
37 views

brushless motor overheating when connected to l298n motor driver

I am using a brushless motor such as this one and am trying to drive it in both directions using a l298n mini motor driver. However, when connecting the motor to the board and the board to the 5v ...
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3answers
179 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
169 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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3answers
191 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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0answers
207 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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0answers
36 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
940 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 : ...