Input 1 and 2 control one motor and input 3 and 4 control the other motor.

Input pins 1, 2, 3, and 4 control the switches of the H-Bridge.

Enable A and Enable B pins are used to control the speed of the motor.

There is a 2V drop caused by the IC (integrated circuit ), so the voltage at the motor terminals is 10 V which means that full speed won’t be achieved by motors.

If VCC 12 V, it is recommended not to use 5 V regulator since VCC could damage it.

On-board 5 V regulator which can be used as input or output.

Able to control DC motors that have voltages from 5 to 35 V.

Allows for speed and direction control of two DC motors at the same time.

All of the distance and detection parameters can be changed in the Arduino code to make it do even more things.

When an object is detected in close proximity, the robot will stop, go in reverse, and look for a clear path with the help of the ranging sensor.

In combination with this, I used the L298N H-Bridge to control the wheels of the robot. This sensor allows the robot to sense any object in front of it. NT1 avoids obstacles in its way by using the ultrasonic ranging sensor HC-SR04. See FAQ:Where can I find “specific part” for information about looking for existing part files, and information needed to create new parts.This obstacle avoiding robot a.k.a. Either as is, or as a base for something else. I would not try to use that downloaded part with out some serious cleanup first. To figure out where things are supposed to be, and what should be connected together. To do this properly, a datasheet for the part is really needed. What I see does not have labels except on breadboard, and the part validation tool I use has many complaints. Jumper wires (or cable) would run from the board to a header on the pcb instead. Really, this board does not normally need a pcb view. Spacing and position of the pins on the pcb view also look off. I do not see any of that in the part definition though. Like multiple gnd, or +5V connecting to other +5. Wires are not connecting where they are dragged to except in breadboard view.įewer pins in schematic “CAN” be normal, in cases where multiple physical pins are connected together inside the part. My initial testing of a fresh download of that part says it is broken.

Download library l298n fritzing