A servo is a type of motor which uses a feedback mechanism for precise control of speed and position.
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votes
1answer
43 views
Powering servos with Arduino
I have an Arduino uno board, I want to build a pick & place bot and thus I need powering two servos, when I power them by computer they work as excepted but then I powered it with a battery, ...
0
votes
0answers
39 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 ...
0
votes
1answer
64 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°.
...
1
vote
1answer
59 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 ...
1
vote
2answers
22 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?
0
votes
1answer
35 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 ...
1
vote
1answer
16 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 ...
0
votes
1answer
28 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 ...
1
vote
1answer
39 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 ...
0
votes
1answer
27 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 ...
1
vote
2answers
28 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 ...
-1
votes
1answer
51 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 ...
3
votes
1answer
62 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?
3
votes
1answer
57 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 ...
0
votes
3answers
50 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 ...
1
vote
0answers
26 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 ...
1
vote
1answer
35 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 ...
1
vote
2answers
60 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 ...
4
votes
1answer
42 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 ...
0
votes
1answer
57 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 ...
1
vote
2answers
39 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 ...
0
votes
1answer
49 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 ...
0
votes
1answer
29 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.
2
votes
1answer
131 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 ...
3
votes
3answers
69 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 ...
0
votes
1answer
81 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
votes
1answer
19 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 ...
0
votes
0answers
37 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 ...
0
votes
1answer
61 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 ...
0
votes
1answer
32 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. ...
0
votes
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
votes
1answer
74 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 ...
0
votes
1answer
727 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>
...
2
votes
2answers
55 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 ...
0
votes
1answer
202 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
votes
1answer
167 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 ...
-1
votes
1answer
103 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 ...
0
votes
1answer
129 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 ...
0
votes
2answers
42 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 ...
0
votes
1answer
174 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 ...
0
votes
1answer
123 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 ...
2
votes
1answer
130 views
Servos and ultrasonic at the same time
So recently I started making a sonar out of ultrasonic HC-SR04 sensor and servo motor. The idea was to slowly rotate servo 180 degrees while measuring distance.
Soon after I noticed that regular ...
0
votes
2answers
71 views
Wrong calculation UNO
I've a joystick and a servo connected to my UNO, but for some reason my calculations keep on being wrong? I'm trying to calculate how the rotation should be of my servo (Tower Pro 9g, max value of 180 ...
0
votes
0answers
30 views
Arduino connected servo takes double the time to start from its initial position
I am a newbie on Arduino world, I have written a small piece of code which will move the servo motor every 8sec or 10min or 1hr with increment of 15° angle. At the initial setup function I have ...
1
vote
2answers
63 views
Making servo spin and able to detect angle
After researching other posts I can see how to make a servo spin continually and remove the ability to set to a specific angle.
What I'm trying to do is make a small project that has a spinning ...
-1
votes
1answer
60 views
Smart Servo Shield: How to upload code to AtMega8
I recently bought a Smart Servo Shield controller from DFrobot to use with my new AX-12A Dynamixel servos. The shield is attached to an Arduino Uno. The shield itself works fine, but it does not ...
0
votes
0answers
71 views
Servo powering from external power HELP
I have a Towerpro mg995 servo motor. I hooked it up with my Arduino, with the power supply being external. I tried 5V, but the servo behaves nothing like the code, which is just a simple sweeping ...
1
vote
1answer
181 views
Control servo motors with buttons and via web application
I have this assignment and I have been tinkering a long time about it. I need to make a simulation of a parking lot where servos would represent the ramps.
I will be using 2 Arduinos running the same ...
0
votes
1answer
344 views
Arduino Mega with two Arduino Unos as slaves via I2C?
Good morning! This is my first post here, and my first time diving into the world of microcontrollers. Bear with me, as I describe this theoretical project.
I've got an Arduino Mega 2560, two ...
0
votes
1answer
66 views
'Simple' problem. Delay not working?
Servo goes to one end, and immediately travels back without a 2s delay inbetween. After it travels back there is a 2s delay before it loops. Why isn't there a 2s delay before the travel back?
Servo ...
