PWM controlled fan tacho wrong

jelly32
Posts: 4
Joined: Wed Feb 19, 2020 8:30 am

Re: PWM controlled fan tacho wrong

Postby jelly32 » Fri Jun 26, 2020 6:35 pm

Do you have a drawing of this
20200626_203108_cr.jpg
20200626_203108_cr.jpg (552.87 KiB) Viewed 4286 times
Last edited by jelly32 on Sat Jun 27, 2020 12:03 pm, edited 1 time in total.

ShakataGaNai
Posts: 2
Joined: Thu Jun 25, 2020 5:25 pm

Re: PWM controlled fan tacho wrong

Postby ShakataGaNai » Sat Jun 27, 2020 12:54 am

Thank you so very much!

jelly32
Posts: 4
Joined: Wed Feb 19, 2020 8:30 am

Re: PWM controlled fan tacho wrong

Postby jelly32 » Fri Dec 18, 2020 6:47 pm

I published a project on GitHub describing an "ESP32 fan controller". An ESP32 is used for controlling a fan via PWM including tacho measurement, MQTT and (Touch-)display. Feel free to comment.

https://github.com/KlausMu/esp32-fan-controller

mihaidurus
Posts: 1
Joined: Fri Aug 06, 2021 10:10 am

Re: PWM controlled fan tacho wrong

Postby mihaidurus » Fri Aug 06, 2021 10:13 am

Hi, I'm working on a smart air exchanger and I have the same problem with the tacho, it would really help me if you could give me a link to the project or something, thank you in advance!!!

jelly32
Posts: 4
Joined: Wed Feb 19, 2020 8:30 am

Re: PWM controlled fan tacho wrong

Postby jelly32 » Sat Aug 07, 2021 6:00 am

The link to the GitHub project is in the post above. Can't you see it? If not, google for "esp32 fan controller github klausmu".

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