Hello
I am using the setup from this link. http://www.arduino-tutorial.de/2010/06/motorsteuerung-mit-einem-h-bridge-ic/
The code basically makes the two gear motors move for several seconds to the left; make a short break and then move several seconds to the right..As a next step I want to vary the speed make it faster; slower, move backwards and forwards, accelerate slighlty to then run fast for 10 seconds...and so on. And also give both Motors diverent informations - that the move in different directions.
Now I got the following problem: my Motor does not run even half as fast as it should when it is controlled by the Arduino.
If motor plugged directly to current it runs at least 2 times faster.
Does anyone have an idea how to accelerate the Motor that it reaches it´s maximum speed?
The sketch you linked to varies the motor power from 0 to 255. Can you confirm that you were looking at the performance when full power was applied?
There will always be some voltage drop across the transistors inside the h-bridge. The lower the voltage that is being controlled, the more significant that drop would be. Can you simply increase the supply voltage to the h-bridge?
Hello, thanks to everyone for the qiuck replies... I am a bit slowlier and it took me a while to find a solution...I thought it is about the code... but it is not! It is right the H-bridge, which really takes away plenty of energy and this is why the motor does not see the whole voltage... And by increasing the supply to h-bridge it also makes the motor run faster almost at maximum speed. I did not try mosfet but - yes it would probably also help.
