Questions tagged [robotics]
use this tag for questions about robotics.
140 questions
2 votes
1 answer
535 views
communicating esp 32 with arduino uno
I made a spider robot using arduino and from esp. I made an audio output device which is linked to python program which writes a particular data (when we speak a command) to esp board and accordingly ...
- 21
1 vote
3 answers
430 views
are 4AA batteries (6V) power my arduino
I'm actually new to using arduino , and trying to make a simple car, using two dc motors, a l298n and an arduino, the problem is that a 9v battery doesn't seem enough to just power the l298n and one ...
1 vote
0 answers
27 views
IoT Explorer Kit registration process
how do I reinitialize an Arduino kit registration number for a new student using a kit previously registered? We recently ordered 50 of the IoT Explorer Kits and they will be used in a robotics class ...
1 vote
3 answers
597 views
LM7805 gets very hot with four servo motors
I'm making a robotic arm using three SG90s and one Futaba s3003 servo motors and an ESP32 dev_kit_V4. The problem is when I am controlling the arm, the voltage regulator gets so hot that I can't touch ...
- 39
0 votes
1 answer
845 views
How often does a mpu6050 gyro sonsor need calibration?
I want to use it in my real car for daily use to measure yaw angle when needed. Is is ok to only calibrate it once at first then use it every day when driving without any problem? if not, how often ...
3 votes
1 answer
581 views
Pulsein() function blocks other tasks from running silmultaneously
I am using a zumo bot with a reflectance sensor used to follow a black line. I want to use an arduino to make the zumo bot stop once it gets a certain distance from an obstacle. I have an ultrasonic ...
7 votes
5 answers
5k views
What is the best technique to design a 20 push button circuit
I will be controlling a robot with more than 10 motors which means I'll need 2 buttons each to control moving forward and backward. My controller is an Arduino mega. Is 1 pin = 1 button the best ...
- 91
1 vote
0 answers
48 views
DC Motor Shuddering
I am testing my BTS7960 Module with my UNO for bi-directional rotation of DC Motor. I am using a small DC motor as a test (like the one here) and I am powering the UNO via USB cable. The problem is ...
- 21
0 votes
3 answers
3k views
Smooth Servo movement for robotic arm: An ongoing answer and soluton
This is not and will not be a duplicate. This is a thread meant to share a solid soliton I figured out with the rest of the community and update it as I optimize it, ad-hoc. So I had visited ...
- 111
0 votes
1 answer
166 views
How to put together an HKT30 optical rotary encoder?
I'm working on a project involving stepper motors. It is important for this project to track the position of these motors, so I decided to buy an optical rotary encoder, specifically an HKT30(HKT3005-...
1 vote
0 answers
558 views
Line Following Robot using PID control not working
I'm currently making a line following robot using PID control. My robot uses an Arduino Uno board, a L298N motor, 1 9V battery, 2 motors, 5 TCRT 5000 infrared light sensors to detect a black line on a ...
1 vote
0 answers
179 views
What module should I use for high precision localization?
I have a toy car and I want to measure the coordinates/location of that car in my house. It need to bee high precision equipment so GPS won't work here. My precision requriments is 5+- cm and the ...
- 111
2 votes
2 answers
2k views
Most precise way to measure linear distance travelled by a wheel
Suppose a bot with wheels is traveling in a a straight line, and we want to measure this linear distance traversed by it as accurately as possible. One of the ways is to use an optical encoder to ...
- 21
1 vote
1 answer
84 views
Is it possible my ATMega is burnt due to bad wiring?
While working on a project I tried sending data from my Arduino NANO to ATMega64 placed on AREXX Robot arm PCB via TXD/RXD. After plugging in VCC, GND, TXD and RXD to UART socket it didn't work so I ...
- 13
-1 votes
1 answer
374 views
Problem with L293D controlled motors using IR pilot remote
I have a problem with my line follower: My robot has 4 wheels with DC motors connected to L293D shield (Arduino Uno). The robot is a line follower controlled by IR pilot with an IR receiver, it has 4 ...