A servo is a type of motor which uses a feedback mechanism for precise control of speed and position.

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Arduino shuts off and doesn't turn on after couple hours

I use a mega 2560, pir sensor and a SG90 9g Servo motor in my project. Basically while the pir outputs high, the Servo Motor rotates from 0 to 180 degrees. Here is how everything is wired up: PIR ...
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1answer
11 views

Arduino uno, 2x parallax continous servos (BOE), wifi shield power draw

I am unable to properly connect those things together with batteries: Arduino Uno Parallax continuous servo Arduino wifi shield 5xAA batteries are connected through power jack to arduino which I ...
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1answer
42 views

My Arduino is heating up

I am working on a simple Arduino project where I am controlling 5 TowerPro servos. I read that each takes up 2.2 V each so that means the Arduino can only handle about 2 , if using 5V. So far Ive ...
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0answers
23 views

Easy way to connect and control 3 servos

I need to connect and control three Parallax Standard Servos to an Arduino board, and apart from the USB connection, nothing else will be connected to the board. My predecessor used a setup of and ...
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2answers
44 views

Did I fry my servo?

I got a new servo a few days back (RC Servo, Futaba FP-S148). I first tested it out with the Sweep sketch on Arduino, powering it with the Arduino 5v and GND pins only. It was working, just fine. ...
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1answer
14 views

How to Change the Output Resolution of Sine Wave Controller

I have code that receives values from a serial connection, then uses those values to generate sine wave points. These sine wave points are used to position multiple servos. I am currently trying to ...
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1answer
52 views

Having a problem to control digital servo with HC-06 bluetooth module

There are two problems to control digital servo(HD-1810MG) and HC-06 bluetooth module connection. When I put a specific number to servo(in the video, I put 45), it shakes too much and shows useless ...
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2answers
65 views

Burning servos like crazy, what am I doing wrong?

For some reason my servos keep burning out. My code is simple, if condition, rotate to 0 degrees, else rotate to 180. However, what that does to the motor is keep it in a constant struggle to stay ...
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1answer
19 views

Control speed of linear actuator servo

I have a linear actuator that I want to be able to slow down. Right now, the shaft moves too quickly. I'm not sure how to do this. I was looking into varSpeedServo.h library but couldn't implement it. ...
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2answers
115 views

code to force a gentle servo power up

So I am new to the board and looking for a source to answer an Arduino servo project's rough power up. The project uses a pair of servos operating together to swing a small door. I have been working ...
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0answers
85 views

Sending data from Arduino UNO as a SOAP request

I have a servo motor on one end which can be turned ON and OFF with Web Service sending SOAP request. In the other end I have my Aurdino UNO with ESP8266.Currently, I can able to send HIGH or LOW ...
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1answer
117 views

How to make servo rotate for angle bigger than 180°

Connected servo motor (180°) to Arduino Uno R3. Currently I am using a servo motor which have rotation angle specified as 180°, but I have a requirement to rotate to certain angles greater that 180°. ...
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1answer
75 views

Designing a robotic arm using Arduino Uno

We are making a robotic arm using Arduino Uno board in which we are not able to decide which kind of motor to use. Which motor will be better if we want to lift weight up to 1kg using gripper at the ...
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2answers
29 views

Arduino Pro Mini and Electronic Speed Controller (ESC)

I want to send servo signal to ESC and Servo with my 3.3V Arduino Pro Mini. Can the ESC/Servo read 3.3V signal from Arduino Pro Mini? Or do I need to make some level shifter to make 5V signal?
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1answer
46 views

How to merge two arduino sketches, one for relay's and one for Servo motor?

Recently I uploaded individual codes for relay's and Servo motor seperately, it all worked fine. But when I combined these two codes and dumped in to the loop there is a delay in functioning of the ...
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1answer
22 views

Can the servo pulse width range be changed?

I recently found that standard servos only rotate 90deg total rotation for a pulse width range of 1-2 usec. To rotate 180deg total rotation they need a .5-2.5 usec pulse range. The arduino is ...
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1answer
56 views

Arduino code for continuous rotation for 3 servos with Bluetooth

This code is working, any ideas? Please check the code - Bluetooth is connecting but the servo motors are not varying with respect to the app sliders. #include <SoftwareSerial.h> #include ...
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1answer
76 views

How to use potentiometer on one Arduino to control servo on another Arduino via WiFi?

I want to connect a potentiometer on one Arduino (master side) and send the readings to another Arduino (client side) to run a servo motor. The communication between the two Arduinos should be via ...
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1answer
43 views

Running Steppers with servo

I'm doing a project which is automatic box carrier. It will hold a box from a location and move it next to it. Kind of cnc work. Locations are fixed it just has to run the orders. I want to send an ...
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2answers
59 views

Servo control using DIP switch

I am pretty new to Arduino and programming too. I want to sweep a servo using DIP switch. At the moment, I use 4 position DIP switch. To each of the switches, I want to set the number of times the ...
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1answer
125 views

Tower Pro MG996R 180° high torque servo controlling using Arduino

We are trying to control a robotic arm using the Tower Pro MG 996R 180° high torque servo. Firstly we tried to power the servo from Arduino's default 5V, but it didn't work, then we power it from an ...
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1answer
68 views

Why can't most servos rotate more than around 180°

I was looking how a servomotor works. I realized that a standard servo can only turn up to 180°, but I didn't understand why. Is it because of the potentiometer?
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1answer
73 views

How do I calibrate an ESC after connecting it to an Arduino?

I'm trying to connect an Arduino to an Electronic Speed Control and failing horribly. I'll explain what I've done so far, and then I'll explain the problem. Before we get there, here's the list of ...
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3answers
81 views

Do external battery packs need to connect to ground on the arduino?

I am going to be controlling 2 servo motors with an arduino. I will use an external battery pack for power. Do I need to connect the negative of the battery to ground on the arduino? If I just use the ...
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0answers
31 views

Trinket error code

I am trying to get the Trinket to run a simple servo, but keep getting an error code. This is the error message: exit status 1 Error compiling. I got the code from the Trinket Library at Adafruit ...
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1answer
50 views

Get servo to travel full length

Recently we purchased servos for use in an Arduino and began testing with servos. It turned out that the uSec for the servos differed from the online documentation and we had to find the min and maxes ...
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2answers
92 views

Code to control servo with shield

I recently bought an Arduino MEGA2560 and a SainSmart InstaBots Robot Controller Shield for Arduino MEGA2560 R3 Robot Arm Control. I understand how to control a servo in the method described in ...
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1answer
59 views

Change Servo Speed With RedBearLabs BLE Shield

I recently got the RedBearLabs BLE shield to use it to control two high spped continuous rotation servos. I have the BLE example sketch loaded and the ios controller app works. The problem is that the ...
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1answer
63 views

Do I have a faulty arduino uno, or have I found an Arduino bug?

Lately, we got an old arduino uno donated from a friend and have been trying to get it to work with servos. We have been having very perplexing results. We have tried many different "stock" code and ...
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2answers
56 views

21 Servo on Mega?

I want to use 21 servo (SG5010) motors using Mega board. Is it possible to do this? A possibility is all the servos will be operating at the same time, with average load of ~3.5 KG, and each using ...
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1answer
56 views

Can I power a 9g servo from an arduino nano with USB power only?

I want to run a 9g servo off of the pins from an arduino nano board, using only the 5v USB connection. The servo specifically is a SG90, which I have measured a stall current of ~250mA - I don't ...
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1answer
31 views

afmotor saying “servo does not name a type”

I have made a sumobot with an arduino, an afmotor shield and a 4-pin ping sensor when I upload my code it keeps giving me this error: "'Servo' does not name a type" here is my code.
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1answer
199 views

Automatic/manual door lock with servo [closed]

I'm building an automatic door lock, which is moved by a servo ( this one ). However, I want to still make it possible to open the lock manually, but it's not possible if the servo is attached to the ...
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3answers
93 views

Why does my Arduino freezes when i turn a servo

I have a Servo Motor and an Arduino Uno. I used the Arduino to run a servo motor. The code was very simple. It was to just Turn it 90 Deg Anti-Clockwise when a switch is pressed and Turn back to its ...
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1answer
83 views

Could you tell me what is wrong with this Arduino code?

void fn( int pin, int pos) { Servo temp; temp.attach(pin); temp.write(pos); delay(15); temp.detach(); } void loop() { int pos = 0 ; for (pos = 0; pos <= 180; pos += ...
2
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1answer
21 views

Arduino Servo Free Rotation

I have a project where I use 22 servos. I attach all 22 of the servos in the setup and in the loop, I use myservo.write() command to make a particular servo move to a particular position. The ...
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0answers
43 views

Arduino + MG996R servo

I have a problem with my TowerPro servo. When I connect it to my Arduino board it starts to rotate from ~10° to ~170° itself. It doesn't respond to any button interrupt. When I plug in another servo ...
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1answer
69 views

Making Servo Motor Automatically Move Based on Input

sorry if I sound incompetent, but I know nothing about coding. I have a group project where I must sort various balls into different tracks. The final issue I have is that I must use an arduino for ...
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1answer
46 views

Cannot control servos through 32-servo-controller on Aurduino Duamilanove

I have servo (TowerPro sg90) connected to 32 servo controller (this one) through UART interface (RX-TX, GND-GND). Seller provide documentation how to connect and control my servos, but it isn't work. ...
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1answer
45 views

Problem up loading to board

I'm a newbee to Arduino programming and hoping someone can help me with this. These are the errors when uploading the proceeding sketch. Thanks in advance! avrdude: stk500_rcv() : programmer is not ...
2
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1answer
76 views

Multiple servos noise

I'm building an application that uses 20 servo motors, and i control then with an Arduino Mega. The servos are having some instability, to the point where they make small random swings. Im powering ...
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1answer
955 views

Brushless motor “jiggles”

When I run my code, the ESC makes some noises, different on the high pulse and low pulse, then it begins to jiggle for a bit when it gets to the loop. Here is the code: #include <Servo.h> ...
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2answers
59 views

A question about Continuous Rotation Servo and Arduino

We have this project that uses a Continuous Rotation Servo and we have a slight problem controlling it. We're planning to attach a Rack Gear to the Servo to slide a stainless steel to the right, and ...
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2answers
292 views

Controlling Servo Motors with push button. Problem though

So I have this setup where I have and Arduino Uno, a mini Servo Motor, and a Push Button. I use a single Push button to control the Servo Motor to go to one position, then push it again to go back. It ...
3
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1answer
218 views

Need help converting a processing sketch for a robot arm with servo shield

I'm currently building a robotic arm. I'm using an Adafruit servo shield, 7 servos, Arduino uno, and a 5V 10A power supply. I found a program that controls the arm with mouse movement using a ...
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1answer
123 views

Help choosing servo motor for Arduino crane

I'm building an automated Arduino crane where the base material is PVC pipes. The arm consists of the picking mechanism and other sensors, so the total arm might come to about 2-3 Kg (I haven't built ...
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1answer
157 views

Lego Technic Servo Motor - 9V PWM

I want to control Lego Technic Servo Motor 88004. The way it works is - Lego has a 4 cable connector. Two of them supply power (+9V & GND) and the other are optionally +9V and they are called C1 ...
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2answers
45 views

Power Supply for 30 Servos

I am now constructing something with 30 servos (each one will control an individual joint separately, so I guess I can't get away from this), how can I determine how much current do I need, I have a ...
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1answer
227 views

Parallel servo control?

I have an Arduino Nano & am success fully controlling 4 servos from it but it then occurred to me that I am controlling these in a serial manner, ie I set 1 position then the next then the ...
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1answer
162 views

Powering multiple servos on external battery

I am working on a project with my school's 3D Printing Club where we are making a humanoid robot and I am attempting to wire the arm at the moment, and program the hands to translate text to sign ...