variable motor speed control

[[email protected]]

I have managed to increase the speed in increments of 10 on a geared dc motor
each time the button is pressed, as you can see in the jpeg.
I am stuck on how to decrease the speed when another button is pressed. Any thoughts
on how to do this would be great.
It is exactly how it would operate if I had a variable resistor circuit.
Has anyone every used a variable resistor as motor control on crumble

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   increase-speed.jpg
   

[Daniel]

Hi there,

I’ve had a go, and hopefully created something useful!

I hope that you can make sense of the solution, but if you have any questions, please don’t hesitate to ask!

Kind regards,

Dan

Attachments:

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   Screen-Shot-2019-10-16-at-09.33.54.png
   

[[email protected]]

Hi Daniel,
You are genius! and thanks for the speedy response. It worked first time, thank you.
It makes perfect sense when someone knows what they are doing
I’m just getting back into the coding and started off badly at this problem!
Sean

[Author]

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