L298N 2A Based Motor Driver Module – Good Quality
Review: 5 - "A masterpiece of literature" by , written on May 4, 20020
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L298N 2A Based Motor Driver Module – Good Quality

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  • Product SKU: KG221
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Specification

Description

L298N 2A Based Motor Driver is a high-power motor driver perfect for driving DC Motors and Stepper Motors. It uses the popular L298 motor driver IC and has an onboard 5V regulator which it can supply to an external circuit. It can control up to 4 DC motors, or 2 DC motors with directional and speed control.

This Motor Driver Module is perfect for robotics and mechatronics projects and perfect for controlling motors from microcontrollers, switches, relays, etc. Perfect for driving DC and Stepper motors for micro mouse, line-following robots, robot arms, etc.

H-bridges are typically used in controlling motors' speed and direction but can be used for other projects such as driving the brightness of certain lighting projects such as high-powered LED arrays. This Dual-channel H-bridge driver working mode creates higher working efficiency, L298N as the main chip. It can drive a 2-phase stepper motor, a 4-phase stepper motor, or two DC motors.

  • This module has a built-in 5V power supply when the driving voltage is 7V to 35V.
  • This supply is suitable for the power supply
  • Large capacity filter, backflow protection diode, more stable and reliable.
  • It can drive a 2-phase stepper motor, a 4-phase stepper motor, or two DC motors.


How it works

An H-Bridge is a circuit that can drive a current in either polarity and be controlled by *Pulse Width Modulation (PWM).
  • Pulse Width Modulation is a means in controlling the duration of an electronic pulse. In motors try to imagine the brush as a water wheel and electrons as the flowing droplets of water. The voltage would be the water flowing over the wheel at a constant rate, the more water flowing the higher the voltage. Motors are rated at certain voltages and can be damaged if the voltage is applied to heavily or if it is dropped quickly to slow the motor down. Thus PWM. Take the water wheel analogy and think of the water hitting it in pulses but at a constant flow. The longer the pulses the faster the wheel will turn, the shorter the pulses, the slower the water wheel will turn. Motors will last much longer and be more reliable if controlled through PWM.

Pins Details

  • Out 1: Motor A lead out
  • Out 2: Motor A lead out
  • Out 3: Motor B lead out
  • Out 4: Mo (Can actually be from 5v-35v, just marked as 12v)
  • GND: Ground
  • 5v: 5v input (unnecessary if your power source is 7v-35v, if the power source is 7v-35v then it can act as a 5v out)
  • EnA: Enables PWM signal for Motor A (Please see the “Arduino Sketch Considerations” section)
  • In1: Enable Motor A
  • In2: Enable Motor A
  • In3: Enable Motor B
  • In4: Enable Motor B
  • MB: Enables PWM signal for Motor B (Please see the “Arduino Sketch
  • Considerations” section)

Two things to mention

  • Make sure you have all of your grounds tied together; Arduino, Power source, and the Motor Controller.
  • The PWM Pins are unnecessary if you do not want to control PWM features.

Technical Details

  • Operating Voltage (VDC) : 5 ~ 35
  • Driver Model : L298N 2A
  • Peak Current (A) : 2
  • Continuous Current (A) : 0-36mA
  • No. of Channels : 2
  • Arduino Sheild : No- can be used with Wire connection
  • Max power : Â 25W.

Physical Attributes

  • Length × Width × Height(mm) : 44 x 44 x 28
  • Weight (gm) : 25

Integration with Arduino


ARDUINO SKETCH CONSIDERATIONS

The Arduino code sketch is pretty straightforward. Since there isn’t a library for the L298N Dual H-Bridge Motor Controller you just have to declare which pins the controller is hooked to.

The “int dir(number)Pin(letter)”‘ pins can be connected to any available digital pin you have available, as long as you declare the correct pin in your sketch. This makes the L298N Dual H-Bridge Motor Controller very versatile if your project is using a lot of Arduino pins.

The int“speedPin(letter)” pins need to be connected to a PWM pin on the Arduino if you want to enable speed control through PWM.

As a quick cheat I have included a list of PWM pins for the main two types of Arduino’s I use:
  • AT MEGA – PWM: 2 to 13 and 44 to 46. Provide 8-bit PWM output with the analogWrite() function.
  • UNO – PWM: 3, 5, 6, 9, 10, and 11. Provide 8-bit PWM output with the analogWrite() function.

Additional Details

  • Maximum motor supply current: 2A per motor.
  • Current Sense for each motor.
  • Heatsink for better performance.
  • Power-On LED indicator.
  • Double H bridge Drive Chip: L298N.

Product Video


Documentation

Customer Reviews

Based on 19 reviews
95%
(18)
5%
(1)
0%
(0)
0%
(0)
0%
(0)
a
amit sharma
Perfect Boards

Boards both worked, and they arrived promptly.

p
pavan
they came in a good bag and I used them for 2 months and nothing broke.

they came in a good bag and I used them for 2 months and nothing broke.

r
raghunandan pawar
Buy it

Works just as any H bridge driver should.

m
mohd ushama
Good product

Works exactly as expected

d
dheeraj
Great motor controller board for the price

Both of these controllers were assembled well, worked first try, and had easily identifiable labels on the board itself for all the connections. I've bought these before and will buy again as more projects come up.

s
sanjay
Good buy

Not bad, I had one smoking at one point by accident, but it still works.

y
yogesh kumar dhunna
There good

These ones came in working condition

m
mamta
Compact sturdy and yet cheap

Works as described. Compact sturdy and yet cheap.

l
lal singh
works as intended

works as intended

s
surya narayan mukhiya
Works great

Works great in my arduiono cars