Connect 12v dc motors to the H-Bridge module.Enable the onboard 5v dc regulator by shorting the jumper pin.
![l298n motor driver with higher voltage motors l298n motor driver with higher voltage motors](https://techexplorations.com/wp-content/uploads/2020/11/2020-11-20_10-18-49.png)
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Connect the 12v dc motor power supply to the H-Bridge module.In addition, you will need to consider the difference between the battery nominal voltage and the fully charged battery voltage.Ĭonsequently, when matching dc motors to various battery types and battery voltages, your dc motors in some cases are going to be slightly under or overpowered. Also, in the case of the L298N H-Bridge Module, there will be about 1.4v voltage drop between the battery and dc motor. Knowing this will help you decide when you need to disable the H-Bridge 5v regulator.įurthermore, in the case of dc motor battery supply voltage, it is not always convenient to try to perfectly match battery supply voltage to ‘nominal’ dc motor voltage. Therefore it is necessary to consider what is the maximum and lowest voltage you need for good system operation. In most situations, the H-Bridge Module is likely to be powered by battery where the voltage is likely to drop over time. Therefore, a transistor or MOSFET circuit will only be necessary to drive a DC motor if driving the motor spin in only one direction. For it is only necessary when you need to change the rotation direction of the motor spin. So you might want to consider the TB6612FNG instead which is also great for the Micro Metal Gear Motors – Link to guide.ĭC motors typically do not need an H-Bridge driver to operate. For the DC motors that are found in a child’s RC toy vehicle, the L298N H-Bridge Module can be a bit overkill. You can consider using the L298N H-Bridge Module for driving DC motors that are typically installed in custom built robots or vehicles. However, with the size of motor that this can support, you can have a vehicle large enough to support its physical size. The L298N Module is large in size and will need plenty of space if fitting inside a vehicle.
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L298n motor driver with higher voltage motors code#
Included, is an easy wiring connection diagram and some start code for quick reference. So this quick how-to guide will help you get going quickly with the L298N Dual H-Bridge DC Motor Driver Module. If you are looking to build your own robot vehicle, you may consider using DC Motor H-Bridge Modules.