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Do anyone have settings for this? I have the high speed fans but they only come on @ 100% full blast.
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I think I got it now.
Speaking of fans. I have pj version 9 that I modded a fan above the transformer. But does anyone know how to hook up this fan to WiFi board?
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On 9/27/2021 at 4:29 PM, Bwicked007 said:I have the high speed fans but they only come on @ 100% full blast.
"THE" high speed fans, as in GS high-speed fans??
If so, the PWM frequency must be set to ~20KHz, or they don't function.
22 hours ago, Bwicked007 said:I have pj version 9 that I modded a fan above the transformer. But does anyone know how to hook up this fan to WiFi board?
Took quite some digging to turn up a proper datasheet for that fan: https://www.distrelec.biz/Web/Downloads/_t/ds/2218F_2TDHHO_eng_tds.pdf
According to the datasheet:
- RED -> red on WiFi board (double check the silkscreen on the back of the board just to be sure!)
- BLUE -> black on WiFi board
- VIOLET -> white on WiFi board
- WHITE -> yellow on WiFi board (not used)
Things to be aware of:
-
PWM maximum voltage of the fan is 10v. However, the GS WiFi board runs roughly 10.5-11vDC on the PWM line; this may likely cause fan failure unless you add some protection circuitry.
- Easiest option is to use a regular signal diode, negative side facing the WiFi board, positive side facing the fan. This will make any positive voltage on the PWM wire be sourced from the fan, not the WiFi board.
- Alternatively, you can use a common 5.6v zener to drop the voltage further yet
- Ideal frequency specified in the datasheet is 2KHz.
Note on the WiFi board that there are 6 4-pin fan connectors, but these are each paired up...2 connectors for channel "A", 2 for "B", 3 for "C", etc. If you are running different fan frequencies for different fans, you will have to use different channels to attain this.
"THE" high speed fans, as in GS high-speed fans??
Thank you @sid. Yes genetry high speed fans bought with the WiFi board, I should of gotten 6 fans when I had the chance but only bought 3. I’ll check into this & will report back to you. Thanks again
The high speed fans sound a lot better now that I set the right setting to 20hz. Thanks Sid you are the Man!