PCFADC(4)

💅 PCFADC(4) 💅

okay so like, welcome to the pcfadc manual page bestie — that's section 4 of the Kernel Interfaces Manual, iykyk 🎀

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✨ NAME ✨

pcfadc — the Philips PCF8591 temperature sensor, no cap 🌡️💖

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🦋 SYNOPSIS 🦋

pcfadc* at iic?

literally that's it, that's the whole vibe check 🫶

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🌸 DESCRIPTION 🌸

okay so the pcfadc driver is the main character for the PCF8591 I2C analog to digital converter, and the way it makes its readings available is through a sysctl(8) interface ✨ obsessed.

the driver reads up to four A/D lines configured as temperature inputs 🔥 four of them. iconic.

and where does it get the sensor names, type and calibration info from? OpenFirmware, bestie 💅 that's the plug.

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🧚 SEE ALSO 🧚

• iic(4)
• intro(4)
• sensorsd(8)
• sysctl(8)

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⭐ HISTORY ⭐

the pcfadc driver first appeared in OpenBSD 3.9 🌈 a whole legend fr fr.

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👑 AUTHORS 👑

the pcfadc driver was written by Damien Miller <djm@openbsd.org> 🫶 ty king.

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💀 reminder: this page is from the Debian build, dated July 16, 2013 — so like, yeah. periodt. 🎀✨💜