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Dyno cooling fan control VFD

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 BigM
(@bigm)
Posts: 8
Member
Topic starter
 

I have a large dyno fan which is controlled via Vfd and manually speed controlled via potentiometer. 

 

I have now built a custom pcb which basically allows me to control over Bluetooth. I can send simple serial command via dyno pc to control speed 

but.... 

 

I would like yourdyno to control fan speed based on speed or rpm, which would require a plugin... Which is not my strong point lol

 

Anyone with a vfd controlled dyno fan can replicate the hardware very cheaply... Just an esp32 dev board, pwm module. 

 

Happy to post up and also coding which of course would be written to suit how yourdyno would send data.. 

 
Posted : 10/07/2024 9:02 pm
(@rub87)
Posts: 37
Member
 

I have some can output cards, so Inwas thinking for mine to make a formula based in speed that send a can message to the card that then outputs a 0-10v to the VFD. 

ideally it would be possible to have some buttons on the yourdyno GUI to modive a virtual channel that then can be used in a math formula. That way it would be easy to toggle between manual and speed based and same for extraction fan etc. 

 
Posted : 07/08/2024 1:14 pm
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