Skip to content

    Your cart is empty

    Time to spark some excitement 🛒⚡

Taxes and shipping calculated at checkout
Subtotal €0,00

Arduino Motor Shield Rev3

SKU A000079 Barcode 7630049200371 Show more
Original price €0
Original price €29,06 - Original price €29,06
Original price
Current price €29,06
€29,06 - €29,06
Current price €29,06
VAT included
The Arduino Motor Shield allows your arduino to drive DC and stepper motors, relays and solenoids.

Overview

The Arduino Motor Shield is based on the L298 (datasheet), which is a dual full-bridge driver designed to drive inductive loads such as relays, solenoids, DC and stepping motors. It lets you drive two DC motors with your Arduino board, controlling the speed and direction of each one independently. You can also measure the motor current absorption of each motor, among other features. The shield is TinkerKit compatible, which means you can quickly create projects by plugging TinkerKit modules to the board.

Getting Started

You can find in the Getting Started section all the information you need to configure your board, use the Arduino Software (IDE), and start tinker with coding and electronics. 

Need Help?


Tech specs

Operating Voltage 5V to 12V
Motor controller L298P, Drives 2 DC motors or 1 stepper motor
Max current 2A per channel or 4A max (with external power supply)
Current sensing 1.65V/A
Free running stop and brake function

Conformities

The following Declarations of Conformities have been granted for this board:
CE
UKCA
REACH
For any further information about our certifications please visit docs.arduino.cc/certifications

Resources for Safety and Products

Manufacturer Information

The production information includes the address and related details of the product manufacturer.

Arduino S.r.l.
Via Andrea Appiani, 25
Monza, MB, IT, 20900
https://www.arduino.cc/ 

Responsible Person in the EU

An EU-based economic operator who ensures the product's compliance with the required regulations.

Arduino S.r.l.
Via Andrea Appiani, 25
Monza, MB, IT, 20900
Phone: +39 0113157477
Email: support@arduino.cc

 

Documentation

OSH: Schematics

The Arduino Motor Shield is open-source hardware! You can build your own board using the following files:

EAGLE FILES IN .ZIP SCHEMATICS IN .PDF

Power

The Arduino Motor Shield must be powered only by an external power supply. Because the L298 IC mounted on the shield has two separate power connections, one for the logic and one for the motor supply driver. The required motor current often exceeds the maximum USB current rating.

External (non-USB) power can come either from an AC-to-DC adapter (wall-wart) or battery. The adapter can be connected by plugging a 2.1mm center-positive plug into the Arduino's board power jack on which the motor shield is mounted or by connecting the wires that lead the power supply to the Vin and GND screw terminals, taking care to respect the polarities.

To avoid possible damage to the Arduino board on which the shield is mounted, we reccomend using an external power supply that provides a voltage between 7 and 12V. If your motor require more than 9V we recommend that you separate the power lines of the shield and the Arduino board on which the shield is mounted. This is possible by cutting the "Vin Connect" jumper placed on the back side of the shield. The absolute limit for the Vin at the screw terminals is 18V.

The power pins are as follows:

  • Vin on the screw terminal block, is the input voltage to the motor connected to the shield. An external power supply connected to this pin also provide power to the Arduino board on which is mounted. By cutting the "Vin Connect" jumper you make this a dedicated power line for the motor.
  • GND Ground on the screw terminal block.

The shield can supply 2 amperes per channel, for a total of 4 amperes maximum. 

Input and Output

This shield has two separate channels, called A and B, that each use 4 of the Arduino pins to drive or sense the motor. In total there are 8 pins in use on this shield. You can use each channel separately to drive two DC motors or combine them to drive one bipolar stepper motor. The shield's pins, divided by channel are shown in the table below: 

Function pins per Ch. A pins per Ch. B
Direction D12 D13
PWM D3 D11
Brake D9 D8
Current Sensing A0 A1

If you don't need the Brake and the Current Sensing and you also need more pins for your application you can disable this features by cutting the respective jumpers on the back side of the shield. 

The additional sockets on the shield are described as follow: 

  • Screw terminal to connect the motors and their power supply.
  • TinkerKit connectors for two Analog Inputs (in white), connected to A2 and A3.
  • TinkerKit connectors for two Aanlog Outputs (in orange in the middle), connected to PWM outputs on pins D5 and D6.
  • TinkerKit connectors for the TWI interface (in white with 4 pins), one for input and the other one for output.

Motors Connection

Brushed DC motor. You can drive two Brushed DC motors by connecting the two wires of each one in the (+) and (-) screw terminals for each channel A and B. In this way you can control its direction by setting HIGH or LOW the DIR A and DIR B pins, you can control the speed by varying the PWM A and PWM B duty cycle values. The Brake A and Brake B pins, if set HIGH, will effectively brake the DC motors rather than let them slow down by cutting the power. You can measure the current going through the DC motor by reading the SNS0 and SNS1 pins. On each channel will be a voltage proportional to the measured current, which can be read as a normal analog input, through the function analogRead() on the analog input A0 and A1. For your convenience it is calibrated to be 3.3V when the channel is delivering its maximum possible current, that is 2A. 

Physical Characteristics

The maximum length and width of the Motor Shield PCB are 2.7 and 2.1 inches respectively. Four screw holes allow the board to be attached to a surface or case. Note that the distance between digital pins 7 and 8 is 160 mil (0.16"), not an even multiple of the 100 mil spacing of the other pins.

 

Get Inspired

PROJECT HUB
Arduino Air Quality Monitor
Arduino Air Quality Monitor
Project Tutorial by 8bitkick

Arduino MKR RGB displays PurpleAir air quality data for a sensor near you.

read more
BLOG
Remote working with Arduino: Alexa and the Arduino IoT Cloud
Remote working with Arduino: Alexa and the Arduino IoT Cloud
May 13, 2020

We'll certainly remember this year, with many of us learning how to adapt and live a safe life-style under the pandemic. As many countries begin to initiate a relaxation of restrictions and we are starting to be able to leave our houses, arrange shifts to get into work (still observing safety measures), we might find ourselves with different needs. Perhaps we got used to having the TV on more often than usual, letting the voices of shows we don’t really watch keep us company in the background while home alone… working. Maybe we just like to have a corner light up with colors which soothe our moods, or give a fancy background tint to a remote disco party as we dress with big shades and wigs. Many of these things can easily be automated using Alexa and Arduino IoT Cloud, so when we (finally) leave the house and are not sure if the TV is still on, or if our living room corner is still purple! we can simply ask “Alexa, turn the TV off” or “Alexa, turn the living room off” and a series of smart devices and software will take care of it for us.Let’s give it a shot... Getting the Alexa skill: Learn how to use Arduino IoT Cloud and Amazon Alexa to interact with your sensors. Using the MKR RGB shield with Alexa: Learn how to control your MKR RGB Shield using Arduino IoT Cloud and Amazon Alexa. Controlling TV with Alexa: Learn how to create a voice-controlled device with Alexa and Arduino IoT Cloud in seven minutes. Create a voice-controlled device with Alexa: Learn how to turn on/off your lamp, and change the color and luminosity of the light in seven minutes! Want to get started with the Arduino IoT Cloud? Check out this article!

read more

Inspired by your shopping trends

  • Arduino Mega 2560 Rev3

    The Arduino Mega 2560 is a microcontroller board based on the ATmega2560. It has 54 digital input/output pins (of which 15 can be used as PWM outputs), 16 analog inputs, 4 UARTs (hardware serial po...

  • Arduino 4 Relays Shield

    The Arduino 4 Relays Shield is a solution for driving high power loads that cannot be controlled by Arduino's digital IOs, due to the current and voltage limits of the controller. The Shield featur...

  • Engineering Kit Motors Backup

    Arduino Engineering Kit R2 contains all the components students need to complete each project, but we know that in the excitement of using the kit, the motors may sometimes burn, break or simply ge...

  • Arduino Uno Rev3

    Arduino Uno is a microcontroller board based on the ATmega328P (datasheet). It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz ceramic resonator ...

Compare products

0 of 3 items selected

Select first item to compare

Select second item to compare

Select third item to compare

Compare
Your Cart


Continue shopping
Arduino Motor Shield Rev3 €0
Add To Cart