Questions tagged [l293d]
DC Motor Driver IC with two H-Bridges
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What are the Vs and Vss pins on an L293D chip for?
I made a simple test circuit to help me understand the L293D H-bridge that comes with the Arduino starter kit.
Digital output pins of the Arduino are wired to the input pins on the H-bridge. Arduino ...
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I’m having trouble getting a motor to run for 10 seconds and then reverse direction every time push button is pushed down
i am brand new to arduino and was looking for a little help. i am looking to activate a motor once the button is pushed for 10 seconds and then have it stop. then the next time the button is pushed, ...
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How do I instruct the L293D to operate a motor at full speed when using 3.3V GPIO pins?
If the L293D enable and input pins expect [up to] 5V inputs; what is the best way to deliver full power to the output pins when using an ESP32 or any other microcontroller which uses 3.3V GPIO pins?
I'...
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what is the maximum number of servo motors that can be connected to a l293d motor shield?
I have a requirement in which I need to run 2 motors and 6 servos.
The motors and servos won't be running simultaneously at any given time.
what best can I use. I Was hoping to use l293d shield as it ...
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Adding L293D motor shield to Breadboard
Anyone knows how to attach the l293D motor driver shield on a breadboard?
I need to put the shield on top of a breadboard and then use an Atmega328P as the main way of controlling it.
Than you :)
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I need a good battery reccomendation
I have simple project composed of an Arduino Nano, a HC-05 module, and a small toy DC motor controlled using a L293D driver, I want to be able to power this circuit entirely using a battery, here is ...
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L293D motorshield with batteries doesn't power Arduino
Recently I came across a video about a guy building a remote Bluetooth-controlled Arduino car and I was quite amazed. So I decided I wanted to build it too. I have no Arduino or electronics experience ...
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What do i do to get my bluetooth module to light up?
I'm very new to arduino and am doing my first project, a bluetooth run robot. When i plugged in my module to my laptop to upload the code, the module lights up, and afterwards, i was able to run it on ...
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Stepper motor not working as expected
Kunal Gupta:
Guys plss help me .... I am having issues in using stepper motor
I have tried both 28bjy with uln2003 and l293d .. giving it output supply of 5V .
Motor is vibrating but its shaft is not ...
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L293D motor shield
I have the L293D motor shield on top of my Arduino UNO.
The L293D has a servo attached of 5 volt and a motor of 12 volt there is an external power supply.
If I remove the jumper of the board and power ...
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L298N motor driver and battery issues
I'm trying to build an Arduino 4WD smart car. so i connected my l298N motor driver module with my v4 shield and used a 4 x 1.5v AA batteries to try and power my 4 motors up. i connected 2 of the ...
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How much power should I supply to L293d shield to run 4 tt gear dc motors and 1 servo sg90?
I'm new to Arduino. I am trying to making an obstacle avoiding car using Arduino Uno and L293d motor driver shield.
Four tt gear dc motors and 1 servo motor were connected. How much power should I ...
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motor driver shield covering ports for ultrasonic sensor
im new to arduino and am making an arduino car. the motor driver shield covers the ports (am connecting an ultrasonic sensor) and i know that we can connect it to the 'holes' on the motor driver ...
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How to wire L293D chip to a nodeMCU?
How do I wire an L293D motor controller chip to a nodeMCU?
I have tried to follow the instructions from this tutorial: lastminuteengineers.com
One problem. I don't have a 5v pin?
Are there any ...
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Powering Arduino and L293D with the same Power Supply
I am relatively new to Arduino and plan to power an Arduino and an L293D Motor Driver with the same 9V power supply as in the diagram below.
I tried to simulate this with Tinkercad, but it seems like ...
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How to control 2 micro magnetic actuators with esp12e
i want to control two micro magnetic actuators (just two coil where I want to flow current in +to- and-to+ each motor for wifi airplane) with esp12e
Do I need an h-bridge like l293d ?
Also I will be ...
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Motor does not work for a specific case when programming with L293D motor driver shield
I tried to make a car that moves using a 4x4 keypad.
Pressing "12" unlocks the car and sets the motors to move forward. After that, if I press 4, the speed of the left motor is reduced to ...
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Motor cutting out when using HC-05 Bluetooth module
I'm using an L293D motor driver chip along with an HC-05 Bluetooth module. The two work as expected separately - I can send a string via a Bluetooth terminal app on my phone to the HC-05 and I see it ...
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Input current for L293D shield
I am a newbie in arduino working on a bot with L293D shield. But I have a question as what would be the input current to drive all 4 dc motors and 2 servo motors. I can see that it can supply 0.6Amp ...
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Why is my Arduino code for running a Bluetooth controlled robot with obstacle sensor not working as it should be?
I have created a Bluetooth based smartphone controlled robot (a 4 wheel car) earlier using Arduino and an obstacle avoidance robot.
Now, I wanted to combine both of them. So, I combined their ...
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Any possible way to stack Motor Driver shield L293D with Xbee Shield v03 on arduino?
So i am trying to stack these two shield on arduino, now the problem here is that i guess there is a conflict between the pins of arduino being used by both shields, so can anyone suggest a solution?
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Can you drive a stepper motor without the L293D
Can you drive a stepper motor without L293D.
Don't awnser without giving explanations or saying it will be cheaper to buy the L293D.
Thanks
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DC motor phototransistor control
So basically I have a circuit with a phototransistor, and want to convert the phototransistor value into a PWM signal that can control the speed of the motor. The code I came up with is below, however ...
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L293D with arduino's 5V
I am trying to use L293D with relay to power a 12V DC motor. Can I use arduino's 5V to provide L293D inputs 4 and 8 such as in the drawing? Or do I need to use a separate source, e.g. a power module?
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How to properly run 4 DC motors with an Arduino?
I am working on a project where I have 4 DC motors that is controlled by 2 L293D motor drivers. 2 of the motors act as the wheels of the robot, and the other 2 act as a mop.
The Arduino board is ...
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State machine doesn't function
My goal is to make a logic controller for a cassette tape mechanism, right now I'm simply trying to get the mechanism to engage and disengage the pinchroller arm which is motorized, spin the reels/...
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2 Motor Robot Control with RC Radio
I am making a robot for a local robotics competition. One main function I need to do is move it forward, backward, right, left. Just like an RC car. I have programmed it to do that but it seems ...
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State machine sketch to drive a DC motor with limit switches [closed]
I have a DC motor that will need to use two limit switches to detect end of travel in two directions.
I've read that coding a state machine to do this task is the best method, however I have no idea ...
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Arduino connection with Arduino
I have 3 Arduino boards, let's call them be A, B, C. I'm connecting A with a bluetooth module and I'm getting the input from the bluetooth module.
Now I want to send output from A using the digital ...
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Use an L293D with Arduino [closed]
I am making a 2-wheeled Arduino car controlled by T.V. remote for a science fair tomorrow. I have found a tutorial for the IR part. I brought this L293D motor driver to control a 2-wheeled car. I am ...
