Questions tagged [servo]

A servo is a motor, commonly used in robotics projects. This tag is for questions about the servo motor when using it in robotics and other projects.

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33 views

PiGPIO inconsistent when using servo

so I will do the following command once and it will work and then the same sequence of commands never works again. Any help is appreciated, thanks! The commands are to first arm some ESCs then ...
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1answer
223 views

MGR996R rotation angle

Basically I want to control the angle of the rotation of the servo motor but I don't seem to know how... From the tech sheet I know this motor shouldn't be a continuous one, any hint would be ...
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1answer
321 views

Why is pigpio library not moving my servo when the same pin number works perfectly with RPi.GPIO?

I am working on a self driving rc car project and I need a servo to steer my car. As I was getting a bit jitter with RPi.GPIO I tried pigpio library. I am using a Raspbery Pi Model B. But it won't ...
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2answers
406 views

Pin powered Pi crashes when servos move

I have been working on a circuit to power a Raspberry Pi and servo(s) from a single power source. The diagram below shows the basic configuration, although the 'AA battery' is actually two 18650s. ...
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1answer
48 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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2answers
2k views

How can Rpi move a Servo motor using a GPIO pin in PWM mode?

iam new to raspberry pi and i got an error while a running servo motor in my object detection script i need to run the servo whenever my if condition is true so the same pin run multiple times if ...
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1answer
228 views

Sg 5010 servo 360 degree modification not working [closed]

As per the video tutorials out there, I opened the motor, took out the potentiometer and measured its resistance at max. Its a b5k pot so it measured 5kohm I put 2.5k ohm from each pin (s and -) and ...
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1answer
199 views

Control function for a DC servomotor angle

I am using a Raspberry Pi 3B+ with servomotor shields to control multiple servomotors at once with Python. I know that the travel angle of a servomotor is controlled using PWM. So there exists a ...
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1answer
735 views

How can Rpi Python control motor drivers L293D or L298N?

It is dangerous to run motors directly from the Pi, hence we need a motor shield. I own an Adafruit arduino motor shield clone: https://learn.adafruit.com/adafruit-motor-shield Note: I'm aware about ...
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2answers
833 views

Control motors and servos simultaneously (Python)

I have a Raspberry Pi 2B+ and some knowledge of Python. I need to control a DC motor, two servos and a LED simultaneously. The requirements are: Must control two servos, a LED and at least 1 DC ...
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132 views

Raspberry Pi 3 Model B - Windows IOT - UWP C++ - Servo control?

So currently, I have already developed a uwp application in Visual C++. I ordered a raspberry pi 3 model b from Amazon and its expected to arrive on Wednesday. In my program, I have a button, when I ...
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1answer
1k views

Servo robot with keyboard control

I am currently creating a design project that involves controlling several servo motors for a raspberry pi 3. I want to use a keyboard to control the direction of the motors, and I am using curses to ...
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1answer
219 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
386 views

Servo motors not working as expected with Raspberry pi 3

I am developing a robot with raspberry pi model b along with three servo motors. I have two functions which are defined for obtain robot behaviours. In the first function my servos are working well. ...
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1answer
297 views

The servo keeps rotating forever

I have 3 servo motors in my robot arm controlled by Raspberry Pi3 B+. One of the servos is (HV5932MG) (Link: "https://www.banggood.com/JX-Servo-PDI-HV5932MG-30KG-Large-Torque-360-High-Voltage-Digital-...
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1answer
450 views

Stepper Motor Hat v0.1 - pre-soldered version

I am pretty new and have installed the referenced HAT. I followed the instructions, but it is not detected. I have power and a green LED on the board and when I turn it on and off the servos jump a ...
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2answers
559 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
623 views

Can a servo motor rotate to a specific angle? [closed]

I am using servo motor for some positioning. Let's said I want the servo motor rotate to a specific angle like 23 degree, is it possible to achieve using Raspberry PI? Did I need some sort of encoder ...
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1answer
559 views

how to solve this segmentation error problem

I am writing a basic code for a robot to follow the blue color and whenever I am running the code it gives that out put the y is :0 the x is :0 moving to the right moving forward Segmentation fault ...
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0answers
138 views

How to turn multiple servos by an angle using the Adafruit servo/pwm pi hat?

So I'm using a Raspberry Pi Model 3b and an Adafruit 12-bit PWM Servo/PWM Pi Hat on my project to control 6 independent continuous servos. I'd like to send in signals that would turn the servo by that ...
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0answers
336 views

Is it possible to connect a Raspberry Pi Camera Module V2 without any concern to the CSI Camera Connector?

I have recently tried to connect the Raspberry Pi Camera Module V2 to the CSI Camera Connector on the Pi. At first, it worked properly and we could capture pictures and record videos. As part of a ...
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1answer
507 views

Servo angle control using Rpi and android App

I am trying to control the angle of a servo motor via an Android app that I built, installed on my phone. My phone sends the angle data (i.e. -90 to +90 degrees) to the raspberry pi via a TCP socket. ...
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1answer
1k views

Control servo motor using a web server

So I'm trying to get this to work. I have a .py file that turns the servo, and it works, but I'm trying to run it through a browser. So I installed apache and php, and I made .php file which, when ...
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0answers
896 views

How do I speed up MG995 servo motor using PCA9685 motor driver?

I am using PCA9685 to drive a MG995 servo motor. I am using the following code to control the servo motor. import time,Adafruit_PCA9685 def elbow(): pwm = Adafruit_PCA9685.PCA9685() pwm....
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1answer
172 views

Connecting a servo to a Pi

I'm new to electronics and have run into a problem while trying to hook up my micro-servo to my Pi. I have a Rapsberry Pi model 3 B, a breadboard, a 6V power supply, and a TowerPro MG90S micro servo. ...
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1answer
593 views

SG90 servo is vibrating and heating when I try to control it using Raspberry pi 3

I brought a new SG90 servo and I tried to control it using my Raspberry Pi's pin 17 writing the following code on the terminal's python >>>import RPi.GPIO as GPIO >>>import time &...
2
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2answers
484 views

How to get pan-tilt servos quiet forever after first adjustments

I have a camera mounted in an Adafruit pan-tilt mini kit with 2 servos (SG92R). Installed python-smbus and i2c-tools. From raspi-config I enabled 5 Interfacing options P5 I2C. Also installed ...
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2answers
150 views

Raspberry controlled fraction collector - what would be the best set?

I was thinking about building a self-assembled easy to use fraction collector controlled by raspberry. A Fraction collector is a piece of equipment used in liquid chromatography which has some tubes ...
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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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0answers
143 views

RPIO issue with servo

I've followed the instructions in the answers on GPIO/RPIO. I still get the following error: Traceback (most recent call last): File "/home/pi/Documents/Python_Ed/RPIO_server_test.py", line 1, in &...
2
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0answers
345 views

Multiple servo motors with serial commands

I am trying to control multiple servo motors with a Raspberry Pi. I am using a USB to TTL cable for this. I am currently sending following serial commands for the movement. --> gpio -g mode 18 pwm --...
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2answers
626 views

Problem with usb serial RPI -> Arduino

I'm working on a robot, more precisely on his head which have to track an human face. I'm using a RPI which will detect the face and then send to the Arduino the angles for both servomotors. I ...
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1answer
677 views

Can I power 2 Servos with Raspberry pi 3

I'm working with 2 servos (SG-5010) and I want to use my Raspberry Pi 3 to control those servos. Can I power those 2 servos with the 5V pins (pins 2 or 4 in rasp)? I'm powering my Raspberry Pi with a ...
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2answers
329 views

How would I control multiple solenoid locks?

I would like to control 16 separate solenoid locks using PWM (It is not imperative that the lock is 12V, it could be 6V for example). The PWM source is this 16-channel servo driver from Adafuit. Is ...
0
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1answer
1k views

Run servoblaster Python code

lately i installed servoblaster to my raspberry pi and then tried a simple python code ` import os import time os.system('sudo ./servod') while True: os.system("echo 1=100 > /dev/...
3
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1answer
3k views

My servo jitters sometimes

I'm trying to build a toy model of self-driving car for my FYP. I have a RPi3 B+ Model with a custom 3D printed chassis which uses a futaba s3003 servo for steering front wheels. Servo is currently ...
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1answer
178 views

Servo turns one way except in Python

I am currently busy with a project where i need a servo to turn, i wrote a script in WiringPi (Python & .NET) that does this: //Set GPIO scheme. WiringPi.WiringPiSetupGpio(); ...
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1answer
161 views

raspberry pi3 servo blaster question

I run this code on Python 3 but it gives an error on echo 0, and echo 1. Can any one can correct this? #!/bin/bash #go to starting possition echo 0=60 > /dev/servoblaster sleep 1 echo 1=135 > /...
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0answers
3k views

programming a robotic arm

i want to programming my robotic arm (5 servo motors) with python ,so i wrote a python code but my problem is that when i try the code lines separately from terminal window it works fine and robot ...
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0answers
315 views

Rpi python GPIO PWM Controlling Digital Servo JX 5521MG Problem

I ordered a digital servo JX 5521MG to use with my Pi but when I use the code below the servo does not move but there is a slight tick or twitch inside. gpio pwm-ms gpio pwmc 192 gpio pwmr 2000 ...
2
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0answers
458 views

Servo Not Responding to Input Signal

I have a Raspberry Pi 3 (Model B). I'm trying to drive a servo motor (Tower Pro MG 995). I am using a 6V power supply (4 AA batteries) connected to power and ground of the servo motor. I attach the ...
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1answer
2k views

Controlling multiple servos with python and hardware needed(RPi 3)

I'm kind of new to the Raspberry Pi world and I've been researching for tutorials and how to's all around the web for software and hardware regarding a small project (RC car/robot). What I've ...
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2answers
854 views

Move servo incrementally within keypress loop

After a week of searching... I have built a robotic arm run by a Pi 3. It has 5 servos, as well as a stepper motor. I have code written see, (Pastebin). And I am not able to get each servo motor to ...
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0answers
234 views

RPi + Adafruit Servo shield to control Brush motor and servo(steering) of a RC car!

I need help for my setup: I am not sure what I am doing wrong, but I just burned the servo-motor (for steering) of my RC car. Here is my set up: the rc car with brush motor and ESC, RPi 3, servo ...
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1answer
441 views

Pi 3 can't detect servo hat

Super new to this. Attached the Adafruit 16-Channel PWM / Servo HAT for Raspberry Pi to my Pi 3. All solder connections look good. Booted up the Pi, ran through the tutorial. After tutorial, the hat ...
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1answer
2k views

Pigpio With Pi 3 Controlling Two Servos

I am brand new to using the GPIO pins on the Raspberry PI and I'm having a lot of trouble trying to control two continuous rotation servos using pigpio with python and a keyboard. Servos here: https:...
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2answers
2k views

Raspberry pi PWM stability

Is it possible to control 3 servos with a raspberry pi without hardware for it? My firsts tests showed me it was possible, but sadly just ssh connecting to the raspberry pi makes the servo move ...
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3answers
2k views

Servo motor not working

I'm trying to control a futaba s3003 servo motor using raspberry pi 3 but when I run the code the servo just moves a bit then stops. The servo's power is connected to external 6v power supply and I ...
2
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2answers
8k views

Enable i2c on Ubuntu Mate Raspberry Pi 3

I am having trouble utilizing the i2c bus on my raspberry pi. I am attempting to use it through Adafruits python module for their Servo driver board. When I run a method using the i2c I get: ...
2
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1answer
1k views

Controlling servo with Raspberry Pi but it doesn't stand still

I'm a new entry in the world of Raspberry Pi and Python language. My problem is as follows: I would like to control an micro Servo SG90 (datasheet here) with my Raspberry Pi 3 model B. Looking online ...