[SOLVED] PWM motor control using ARDUINO and seperate supply

human304 · Oct 23, 2014

Hello everyone. I am implementing this design ,courtesy:https://www.electroschematics.com/9540/arduino-fan-speed-controlled-temperature/

everything except the fan works perfectly. i have given 12v supply from battery,psu used 12v , 6v fans. but no luck. I am very much frustrated right now . I don't know what i have done wrong.Please point me in the right direction.

milan.rajik · Oct 23, 2014

Zip and post the sketch.

human304 · Oct 23, 2014

View attachment temp.zip
Here you go

human304 · Oct 25, 2014

figured out myself , connected the arduino and psu ground .works like a charm.however first tested using 100k resistance to check any voltage drop between grounds .

Venkadesh_M · Oct 25, 2014

Mark the thread solved.

[SOLVED] PWM motor control using ARDUINO and seperate supply

human304

Newbie level 6

milan.rajik

Banned

human304

Newbie level 6

human304

Newbie level 6

Venkadesh_M

Advanced Member level 4

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[SOLVED] PWM motor control using ARDUINO and seperate supply

human304

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human304

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Venkadesh_M

Advanced Member level 4

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