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tachometer - 3-wire fan: Minimum supply voltage for Tach signal? - Electrical Engineering Stack Exchange
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Electrical Interfacing, Monitoring, and Control - Motley Electronic Topics - Engineering and Component Solution Forum - TechForum │ Digi-Key
![Tooms na Twitteru: "Today's mini project, fake PC fan tach signal to silent old servers alert monitoring in BIOS. Now it thinks the fan is running happy at 1500rpm, 555 timer chip Tooms na Twitteru: "Today's mini project, fake PC fan tach signal to silent old servers alert monitoring in BIOS. Now it thinks the fan is running happy at 1500rpm, 555 timer chip](https://pbs.twimg.com/media/DbP2BUdXcAAF6vx.jpg)
Tooms na Twitteru: "Today's mini project, fake PC fan tach signal to silent old servers alert monitoring in BIOS. Now it thinks the fan is running happy at 1500rpm, 555 timer chip
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