#smbus — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #smbus, aggregated by home.social.
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Trying to figure out how my #ThinkPad Edge #E531 does the detection that it has a "genuine" battery.
Of course it has to be implemented inside the EC firmware.
It is an ENE KB9012. I have the datasheet as well as a dump of its firmware and the schematics for the laptop. But I cannot find where it writes to or reads from the right #SMBus registers.
Does anyone know where I can get in contact with the right people in this domain?
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As the server PSUs feature #SMBus connectivity, we planned to display some metadata on an OLED.
I soldered up a small perfboard with a buck converter, #ESP32 and a few connectors.
The ESP32 only communicates with the low-side PSU, as I didn't want to implement isolated I²C.
But I noticed that the values coming from the PSU were pretty hit & miss anyways. Especially during light loads.
So I simply used the values that matched the actual values closest and doubled them. -
Making Your Own Technically-HDMI OLED Monitor - One day, [mitxela] got bored and decided to build his own HDMI monitor – the uncon... - https://hackaday.com/2022/04/01/making-your-own-technically-hdmi-oled-monitor/ #computerhacks #laptopshacks #oleddisplay #oledssd1306 #linuxhacks #i2coled #ssd1306 #smbus #hdmi #oled #ddc
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Building An Open Source ThinkPad Battery - If you own a laptop that’s got a few years on the clock, you’ve probably contemplated getting a repl... - https://hackaday.com/2020/09/02/building-an-open-source-thinkpad-battery/ #laptopshacks #attinyhacks #batterypack #thinkpad #smbus #t420
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PackProbe Reports Laptop Battery Health - The 18650 cell has become a ubiquitous standard in the lithium battery world. From power drills to... more: https://hackaday.com/2019/06/26/packprobe-reports-laptop-battery-health/ #smartbatterysystem #laptopbatteries #laptopbattery #classichacks #batteries #battery #smbus #i2c